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  1. Trailer Brake Controller
  2. Tekonsha
  3. Electric
  4. Electric over Hydraulic
  5. Proportional Controller
  6. Up to 4 Axles
Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional

Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional

Item # 90195
Our Price: $162.09
You Save: $120.17
Trailer Brake Controller
Shipping Weight: 1.37 lbs
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The large buttons and colored LCD display on this proportional brake controller make it easy to see and easy to use. Store and customize your settings so you can easily swap out trailers and drivers and get towing. Great Prices for the best trailer brake controller from Tekonsha. Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional part number 90195 can be ordered online at or call 1-800-940-8924 for expert service.
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Tekonsha Trailer Brake Controller - 90195

  • Electric
  • Electric over Hydraulic
  • Proportional Controller
  • Up to 4 Axles
  • Tekonsha
  • LCD Display
  • Under-Dash Box
  • Dash Mount
  • Automatic Leveling
  • Up to 360 Degrees

The large buttons and colored LCD display on this proportional brake controller make it easy to see and easy to use. Store and customize your settings so you can easily swap out trailers and drivers and get towing.


  • Brake controller activates trailer brakes in proportion to your vehicle's braking action
    • Automatically adjusts trailer's braking based on deceleration of tow vehicle
  • Large, accessible buttons make it easy to operate the controller
    • Switch between 3 different levels of boost, adjust braking output, and navigate the menu
  • Handy rotary-style lever on the underside of the module keeps the manual override within easy reach
  • Easy to swap out different trailers - great for a fleet
    • Save up to 5 trailer profiles to make it quick and easy to swap trailers or drivers
    • Store boost level, brake output, brake type, and display and language preferences
  • Customizable, easy-to-read LCD display gives you braking status at a glance
    • Color and contrast can be personalized to give you the right setting to make it easy for you to read
  • Built-in safeguards protect your vehicle, trailer, and the controller
    • Runs continuous diagnostic checks to alert you to problems as they come up
    • Minimizes drain on car battery by drawing only 3.6 milliamps when not in use
    • Prevents trailer brakes from overheating by reducing power output during prolonged stops
    • Defends brake controller and trailer breakaway systems against shorts
  • Automatic leveling lets you mount at any angle up and down for an easy installation
    • Controller must be parallel with direction of travel and horizontally level
    • Included harness hardwires to vehicle and plugs into controller
    • Plug-in, vehicle-specific adapter available for select vehicles to reduce installation time
  • Quick-disconnect feature lets you easily remove and store the controller when you don't need it
    • Replacement wiring harness (sold separately) and replacement bracket (TK5906 - sold separately) required to swap controller between vehicles


  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Compatible with electric or electric-over-hydraulic trailer brakes
  • Overall dimensions: 5" long x 3-1/2" wide x 1-3/8" tall
  • LCD display dimensions: 1-3/16" wide x 9/16" tall
  • Mounting range: 360 degrees vertically
  • Limited lifetime warranty

Braking Output

Tekonsha Prodigy P3 brake controller

Braking output is the maximum amount of power that will be applied to your trailer's brakes. How much braking output you need is determined by the weight of your trailer; a heavier trailer will need more power to bring it to a stop. Use the arrow buttons on the front of the module to set the output. You want to set the braking output as high as you can without locking up the brakes. Once you've set up the brake controller the first time, you shouldn't need to adjust this setting unless the trailer load changes, you switch trailers, or road conditions change. The LCD display will show the current output setting being used.

Power Boost for Heavy-Duty Towing

The boost setting controls the aggressiveness of your trailer's braking, meaning how quickly the brakes reach the maximum braking level. You can adjust this when you're towing heavy loads and you need more umph to bring your trailer to a stop. Your tow vehicle doesn't need that much power to brake in time, but your heavy trailer does.

Depending on the level of boost, your trailer brakes can start at either 13 percent or 25 percent of the set braking output. What this means is that, instead of starting at 0, the brakes will start at 25 percent and get to100 percent sooner. This keeps the trailer from pushing your tow vehicle forward.

If your trailer weighs less than your tow vehicle, no boost is needed. But, if you want your trailer to lead the braking, you can select level B1.

Boost Levels:

Approximate Gross Trailer Weight Boost Level Increase in Initial Power Output
Less than tow vehicle GVW B1 13%
Equal to tow vehicle GVW B1 or B2 13% or 25%
Up to 25% more than tow vehicle GVW B2 or B3* 25%
Up to 40% more than tow vehicle GVW B3* 25%

*Both B2 and B3 offer a 25-percent boost in initial power. But the braking curve for B3 is more aggressive than that of B2. This means that, even though you will start out with the same intensity when using these boost levels, you will get an overall more aggressive braking experience with the higher level. So if you use B3, you will reach maximum braking sooner than if you use B2.

Storable Settings

Customize the P3 and store your settings so that you can easily access them later. If you tow multiple trailers, or the same one but with differing loads, store the desired boost and power levels for each so that you don't have to completely reset the controller every time you switch between trailers. It's easy to swap between drivers as well. Program the P3 display with your desired screen color, brightness, and language, and you can easily return it to your preferred settings the next time you tow.

Customizable LCD Display and Advanced Diagnostics

The P3's LCD display features a distinctive look with multiple color and contrast options. With lots of customized options, you can change the display to make it easy for you to see and check your braking status at a glance.

Tekonsha Prodigy P3 LCD display screen

It also includes comprehensible and detailed roadside diagnostics. The P3 advanced diagnostics not only notify you of potential problems, but they can also tell you where to begin troubleshooting.

Display screen when P3 unit turns on.Boost mode one.Boost mode two.Boost mode three.
Display screen is white.Display screen is green.Display screen is orange.Display screen is light blue.
Display screen is purple.Display screen is blue.Display screen is pink.Display screen is cyan.
Screen displays force of braking.Screen displays warning open ground no brakes.Screen displays no trailer connection.Screen displays no trailer connection.

Diagnostic troubleshooting displays include:

  • Battery voltage
  • Voltage supplied by stop light switch when brake pedal is depressed
  • Output voltage to trailer brakes
  • Output current to trailer brakes

Diagnostic warning signs include:

  • Open ground
  • Overload
  • Output short
  • Power loss
  • No trailer connection

Tekonsha Prodigy P3 review

Safety Features

The Prodigy P3 offers advanced safety features to prevent damage to various components of your towing setup. Integrated reverse battery protection shields the brake controller and your trailer's breakaway system from shorts. When the P3 is not in use, it will be in power-saving mode. In this setting, it draws only 3.6 milliamps, minimizing drain on your vehicle's battery.

The P3 also comes equipped with a hold feature to prevent wear on your brakes. When you're waiting at a red light, you don't need your trailer brakes on at full power. The longer you sit there, the more they will overheat. But with the P3, any time your tow vehicle and trailer are at a standstill with the brakes applied for more than 5 seconds, the hold feature will kick on and reduce power to just 25 percent. This will keep your trailer in place while saving your brakes.

The P3 keeps the manual override within easy reach, great for stopping sway or controlling your trailer's momentum in emergencies. To engage the manual override, just twist the rotary-style lever from right to left. This will activate the trailer's brakes and brake lights without you having to apply the brakes on your tow vehicle, perfect for limiting trailer movement while you're cruising.

Automatic Leveling and Simple Installation

The self-leveling feature of the P3 ensures that the brake controller continues to function even as you drive up steep hills or through the mountains. Simply mount it in your cab at any vertical angle, and the controller will level itself automatically thanks to its 360-degree rotational range. This makes the installation that much easier. But keep in mind that the P3 must be horizontally level and parallel with the direction of travel to work correctly.

Correct P3 mounting360-Degree P3 mounting

Installation is a snap. After mounting the P3 unit in your cab using the included bracket, hardwire one end of the included pigtail harness directly into your vehicle. The other end plugs into the brake controller. To remove the P3 for storage when you're not using it, just unplug the unit and slide it out of the bracket. With a replacement wiring harness (sold separately) and replacement bracket (TK5906 - sold separately), you can even transfer the Prodigy P3 to another vehicle.

P3 mounted in bracket P3 mount

Installation Accessories

For even easier installation, a vehicle-specific specific wiring adapter is available for most newer trucks and SUVs. One end of the custom adapter plugs into your vehicle, and the other end plugs into the controller - no hardwiring required.

See also's exclusive 7- and 4-way brake-control installation kit (ETBC7 - sold separately) if you don't already have a 7-way plug at the back of your vehicle.

Note: If a custom brake control wiring adapter is not available for your vehicle, one of the following will be required:

20-Amp circuit breaker (9506P - sold separately) for 2- to 4-brake applications

30-Amp circuit breaker (38630 - sold separately) for 6- to 8-brake applications

Proportional Braking

What is proportional Braking

The Tekonsha Prodigy P3 brake controller comes equipped with proportional braking to give you the best towing experience. Proportional braking means that your trailer brakes mimic your tow vehicle's brakes. If you slam on the brakes in your vehicle, your trailer brakes will activate with the same intensity; if you brake lightly, your trailer brakes lightly too. The trailer's braking is in proportion to your vehicle's braking. This saves wear and tear on the tires and the brakes on both your vehicle and trailer.

The Prodigy P3 uses an internal inertia sensor to detect how your vehicle is braking so it can send the right amount of braking power to your trailer. It measures the inertia of your tow vehicle and activates the trailer's brakes to slow at the same rate. The result is uniform braking across your towing setup. No push-pull action - just smooth, proportional braking every time.

90195 Tekonsha Prodigy P-3 Proportional Trailer Brake Control

39526 Hidden Hitch Proportional Brake Control

20195 Draw-Tite Intella-Stop Xtreme Proportional Brake Control

Installation Details 90195 Installation instructions

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional - 90195

Average Customer Rating:  4.9 out of 5 stars   (5678 Customer Reviews)

The large buttons and colored LCD display on this proportional brake controller make it easy to see and easy to use. Store and customize your settings so you can easily swap out trailers and drivers and get towing.


This was a very easy installation of the hitch, wiring harness and trailer brake. Less than 2 hours with some help from my wife. All of the electrical was plug-n-play. I'm sure doing it myself (with help from [online]) saved me a lot of money.


Tekonsha P3 brake controller was easy to install. Stacey got me the right wire adapter f ou r my 2022 Frontier. Basically Plug and Play install.


I purchased and installed the P3 controller in a 2018 Toyota Highlander XLE after reading many great reviews about it. Wanted a hard wired controller vs. wireless because a brake controller is too important to run over an unreliable wireless connection. Having an IT background I know how unpredictable wireless connections can be. Installation was fairly easy, the hardest part was running a few wires through the firewall of the vehicle.

A few notes, the installation of the actual controller under the steering wheel area was a little difficult because of the design of the mounting bracket. This could be designed better for easier installation. Also, I got a pre-collision warning on my instrument cluster whenever the brake controller was activated. To fix this I had to solder a 1 amp diode on the red cable, which I protected with heat shrink. I reached out to tech support about this error and they were very helpful talking me through a solution.

I like the adjustment capabilities of the controller. I have been able to adjust it so the brakes don't grab when stopping slowly. I really like the manual slide for activating the brakes. This has been very useful for applying brakes on the trailer in a few critical braking moments. The manual lever is also very useful for checking the brakes after connecting the trailer to make sure they are working correctly. I also like that the display shows the level of braking that's applied to the trailer. The color of the back-lit display can also be adjusted to match the vehicle's displays. I definitely recommend this brake controller.


This Tekonsha Prodigy P3 was recommended to be by a friend who works at an RV dealership service center. This is my fifth trailer brake controller over a forty-year period, and my first progressive controller. I really love this controller. My truck has a factory towing package, but was manufactured prior to inclusion of integrated controllers. Since the truck has factory towing, the installation was very simple. The installation instructions were clear and complete. I would definitely recommend this controller to anyone looking for a dependable, easy to install and easy to use controller.



After a year of use, I am very happy with my beak controller. I would purchase this controller again, without any hesitation. I highly recommend it.

John H.


What truck did you install this on?


I mounted my Tekonsha P3 on the dash just to the left of the steering wheel. Has very easy access to quickly activate the lever on the bottom of the unit to apply maximum trailer brakes. But I needed a wiring harness almost double the length of the Tekonsha Wiring Adapter so I just purchased two and spliced them together to make one long one......yea I could have saved money and just sliced in longer wires....Am very happy with the Tekonsha P3, With this mount it makes it easy to disconnect and put into my Ford F150 or my Tacoma.



Still lovin it! Works Great!


I’ve used a Prodigy P2 for 8 years and have been pleased with its performance. I now have a new tow vehicle and will use the P3. The detailed product information on your website and the availability of wiring harness adapters is a convenient bonus.

Bob G.


Superb. I’d buy it again and again.


The Prodigy P3 came on just as the instructions said it would. Although I have not used it yet it looks good in my ‘15 LX. I look forward to great service towing my 20’ flat trailer with tractor, rotary cutter and box blade. My to the staff at etrailer.



Rodigy P3 brake controller works good. It is especially helpful on the nearly mile long descent to the low water bridge crossed on the trip to the Woodz where I spend time maintaining the deer hunting acreage.


The support bracket for this is unacceptable because the standoff from the dash is more than 1" and it puts the controller against my right knee. The mount for the controller in your video was almost flush against the dash and that's what I thought I was getting.


Works great. It's super easy to use. It's programmable for multiple trailers and various settings but I still just use the up and down arrows to adjust it. When my dump trailer is loaded I turn it up to 6 or 7 and when it's empty I turn it down to about 1. I've never adjusted the various settings. Whether I'm pulling my camper or the dump trailer empty or loaded it works just like I'd want it to right out of the box. It does have the lever on the bottom side if you want to activate the trailer brakes without pushing the brake pedal. It will max out at whatever setting you chose.


I have used this type of brake controller in the past. This one is very good. The installation was fairly easy. If I needed another-- I would buy this product again.



It is still working just as when it was new.


This product, the P3 Trailer Brake Controller, is replacing the in dash Ford brake controller. I was previously unable to get a dashboard readout, even though the brakes were working. I had replaced the brake controllers twice, the first one quit working completely, when I decided to install this one. So far I am very happy with it and it was very easy to install using the plug in wire adapter, #22292, I purchased with the brake controller. I installed it on a 2016 Ford F-150. We are pulling a 24 ft. travel trailer. Thank You!


The new controller is working great! Do like P3, better control than the primus. Chased 3 different issues getting brakes working again, all of which the online support from etrailer helped me solve.


The Tekonsha prodigy brake controller has been a great purchase. I use the setting for a electric over hydraulic disc brakes on a gooseneck trailer . I also use it on standard drum brakes on a variety of trailers from a snowmobile trailer to a equipment trailer. One of my favorite parts about Tekonsha prodigy is you can have different brake settings for different trailers or conditions. I will definitely buy again.


Hanging the controller was pretty easy—removed my ashtray and used the ashtray support frame’s two screws to attach the controller’s hanger—almost looks professional.
Finding out which stop light wire (there are four on my ‘98 Tacoma) to tap into and then actually doing the tapping was challenging. The four wires are very short (took my dash apart including removing the instrument panel and even so could barely reach/touch the four wires let alone tap into all four to test) and they end in a four-pin female/male plug that forms the top half of the stop light switch.

My solution was to install an 8” long, four-wire pigtail from the female half of the four-pin connector to the male half thus giving me 8” of access to the wiring to determine which stop light wire the controller red wire should tap into. You can purchase said pigtail online for about $XXX plus shipping, or you can make your own using scrap wire and male and female wire ends that plug into the female and male halves of the truck’s stop light switch. That’s what I did, spending $20 in the process. Once your pigtail is installed, it’s short work to test all four wires. After tapping into the correct stop light wire, remove the pigtail and reconnect the halves of the original plug (it’s less likely to come apart than if you used the pigtail permanently).

On my first test drive, the controller read-out showed two to eight volts were being applied to the electric trailer brakes. Obviously this would have huge engine overheating and gas mileage implications if it were constantly occurring but on my second test drive the read-out stayed at 0.0 volts as it should when not braking.


I’ve used this controller for a year, upgraded from the older red, yellow, green Tekonsha. This model has worked great on my 99 F 350 with both an older 5 ton flat bed trailer and a new 8 ton goose neck dump trailer. The proportional aspect works great and is a vast improvement of the on/off concept of older models. The manual control under the unit was also very helpful in breaking-in the new brakes on the dump trailer. I certainly recommend this unit based on my experiences.


Easy to hook up, the only thing I would say is that etrailer should suggest adapters to customers. I ended up buying one off Amazon but I would have got it here if I had known about them when I purchased the brake controller.



Still works great!

Etrailer Expert

Mike L.


@William Awesome, we're glad to hear that!


I replaced the original brake controller in my 2001 F-350 that I pull a 25’ gooseneck equipment trailer with! This was super easy to install and setup!! The braking is so amazing, I wished I replaced my old controller years ago!


I do not tow regularly, but I just finished a 10,000 mile trip with a 6,000lb, 2-axle trailer and this Tekonsha Prodigy P3 controller in a 2012 Nissan Titan. I think I've identified most of the pros and cons of this controller. My previous setup was a Redarc Tow-Pro in a 2006 F-150. While I really appreciate the stock look of the Redarc, I could've used more feedback on what it was doing. When we replaced the F-150 (RIP) wirth the Titan, I decided to get a controller more willing to offer up some information on its decisions. The Tekonsha tells you realtime what level it's feeding the brake system, which I found really helps with determining why the brakes may feel off and any accompanying setting changes. This is where the Tekonsha shines. I also like that the manual braking is via a continuous lever, rather than an on/off binary signal. With the Tekonsha, I can manually tap my trailer brakes a little or a lot. With the Redarc, I had on or off. To be clear, this is only the direct manual actuation. Both controllers are proportional in response to brake application and acceleration.

The only drawback I found with the Tekonsha is that it doesn't appear to differentiate well between accelerations in the direction of travel (like braking) and those in the vertical (like bumps). I quickly learned that I'd better have my foot off the brake when crossing railroad tracks or speed bumps, or the controller would jack my trailer brakes. My horizontal acceleration wasn't changing nearly as fast as the controller seemed to think.
All in all, I'd buy it again. For my use, it's a better solution than the Redarc, though I do wish I could manually calibrate it like you do the Redarc.


This is a must have device! Between this and the weight distribution hitch our ride comfort and safety have improved by leaps and bounds! Properly setup this controller improves stopping and trailer control. We'll never run without one again.



Still meeting our needs and expectations! Great product!


Top quality brake controller. Automatic leveling. Get the wiring harness for your tow vehicle. This makes installation easy.


I have a 2018 BMW X2 that did not come with a factory tow package. I had an etrailer hitch and 4 way plug installed last year and has been perfect since. I just recently purchased a camper and needed to have a Brake controller & Brake controller 7 way deluxe kit installed. My mechanic installed them with the detailed instructions that the units came with without any issues. The Tekonsha P3 is extremely user friendly and is working flawlessly. A bit overkill for my car being I can only tow max 3500 pounds, and my camper is 1 axel. this unit is rated up to 3 axles. I look at it like this way, when I trade in my BMW I will take my P3 with me. etrailer is amazing with the support & products they provide and I highly recommend them to anyone who asks me.



Love the P3, so easy to use and will be using this on my next vehicle when I trade this in. Highly recommend this unit.


This review is not on the controller as I haven't installed it yet but on the condition of the product as received. The controller came promptly but it was not packed in a separate box. The factory box was damaged in several areas and obviously handled roughly. Upon opening I realized as well that the only protection is a single layer of cardboard in the box, no foam or other protection. The controller appears undamaged but I won't actually know until I install and tested it. I would have immediately returned it without opening it but I need it for a trip already scheduled in two days.


First, a huge "Thank You" to Janice!!! You are the best, and the main reason I am the proud owner of Tekonsha P3 Brake Controller! (see, I initially had an issue with my standard online payment service and almost canceled my order because of it) So I went old school and picked up the phone, one with a cord and spoke to a human being. Her name is Janice, and she made me feel confident that I could trust her and etrailer. And as a result, 4 days after placing my order with her I received my package. That's incredible. I am very happy and will most certainly do business with etrailer again in the future because of Janice.

I don't have any experience with brake controllers. So I can't really comment on how much better or worse this one is to any others. But since I am new to the B/C scene maybe this can be considered an unbiased, non professional review of the Tekonsha P3.
My general skill level is "requires supervision around all power tools". But I do have some mechanical ability (snicker). So I will just say, if I could install this thing anyone should be able to do it. Of course I also bought the OEM wiring harness for my vehicle so even I was able to figure out which plug went where. On A scale of 1 to 10 I give it a 3 (I'm somewhat large and getting under the dash wasn't easy or it would be a 1). And as others have said, deciding where to mount it actually took longer.

I attached mine to the top of the lower dash cowl and it fits almost tight to the dash but still within the 180 degree limit. This positions the controller at the same height as my knee and puts it within fingertip reach while resting my hand on my knee. I can see the controller perfectly through the steering wheel spokes. I went with the green screen background. it seemed to provide the best view in all lighting conditions.

The controller itself works perfectly and the set-up was a breeze. Once installed all the functions worked as described. The real time vehicle diagnostics are a plus. I like being able to monitor my battery voltage to the decimal place if I want to. I'm sort of a techno geek so this is really cool. I set the B/C voltage per the instructions and will only use the boost feature if I am in a hurry or feel the trailer is at max load, but my truck is 8k lbs so you may want to set yours to suit your own conditions.

I highly recommend the Tekonsha P3 brake Controller if you want the latest and probably the best controller out there in this price range. I highly recommend the OEM wiring harness if your skills are not pit crew comprable and want the easiest install possible. And, I highly recommend you buy it from etrailer if you want to get it at the best price available (I checked them all) and want the added security you're buying from one of the best online retailers that sells this product. And do yourself a favor, go old school for a change, use the phone and call them, and ask for Janice, although I'm willing to bet everyone there is as nice as her.



How long is the wiring harness? I want to mount the brake controller on the right side of my steering wheel. It looks short in the picture. Thanks! Tom


Installed this on my GMC 3500 Duramax with factory integrated brake controller. Not happy with the integrated brake controller on my truck, had problems from the start on 3 different occasions with "Service Trailer Brake" warning on DIC, which of course means NO TRAILER BRAKES. Decided the P3 was the perfect solution. Many more features than the IBC, plus the P3 will also work with electric over hydraulic disc brakes should we ever need that in the future. Fairly easy install on this particular truck, the most difficult thing was running the brake wire from the controller to the 7-pin plug. (This is only required when installing in a vehicle with a factory installed brake control) Well worth the extra effort.



Recommendation...dont mount it to low out of reach. When you have a trailer go astray...your seat belt will tighten and then you cant reach your controller to help you out. Believe me I mounted my too low and out of reach, and I was seconds from ditching the truck and trailer. Was very lucky. Just a recommendation.

Mel T.


What did you do to complete the bypass besides cut blue wire and wire to new brake control

John S.


Mel THere is the link that helped us, Good Luck https:/

Etrailer Expert

Rachael H.


John thanks for responding to Mel's question. Happy to hear that Mike's expert question helped you out.


Hi, I got my Item: 90195 and shipping was fast. I was able to get the break controller installed in my 2012 Cadillac Escalade Luxury using the video guide for a 2009 Cadillac Escalade. The install and wiring was the exact same as the video however my wires under the dash or wire bundle did not have a wiring sticker. The color of the wires were the same as in the video. This etrailer video is great and I used it to get my controller installed in about 1.5 hours. My install was trouble free.

This weekend I was able to test out the my new P3 90195 controller and get it calibrated with my 29 foot travel trailer this weekend. Used a B2 setting with 8.0 power. The user guide and instructions you get with the controller help you know what settings to use and how to set the power level.

This is my second controller as I got a P2 Tekonsha from etrailer about 4-5 years back and installed it in a 2007 trail blazer. This older 2P break controller is still working great. I have been rather happy with the quality of the Tekonsha controllers I have. I have not had to call etrailer for support or install questions but did receive a few emails from them to check in with me to ensure I got my shipment and offer me help. They do a good job supporting and responding to their customers and provide an A+ customer experience.



All good on my end. The controller is working with no issue. Getting ready for our 6th camping trip this year. Thanks for your follow-up.

Show More Reviews

See what our Experts say about this Tekonsha Trailer Brake Controller

  • Troubleshooting Prodigy P3 Brake Controller Random Error Codes
    It sounds like either your Prodigy P3 # 90195 wiring needs to be looked at, or the wiring for the trailer brake circuit. Start off by checking that the wiring for the P3 is operating as it should. The pigtail connected to the back of the controller will have the following wires connected to the following functions: Blue - 7-Way Output to Trailer Black - 12V Power White - Ground Red - COLD Side of Stop Light Switch (only gets hot when brake pedal is pressed) If all of that checks out...
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  • What Does ER Code of Prodigy P2 Brake Controller Indicate
    According to the troubleshooting directions, the Er code that is showing on your Prodigy brake controller indicates that there is an internal brake control problem. You can try unplugging it for a few seconds and plugging it back in to reset it and see if that clears the code but if not it's time for a new controller. The P3 part # 90195 that you mentioned would be a great option for an upgrade. It has the same functionality as the P2 but has a display that uses full words instead which...
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  • Troubleshooting Tekonsha Brake Controller with 4 Volts at Connector
    I spoke with my contact at Tekonsha and he said you want Nothing less than 10 volts at the wheels of trailer. If you are only getting 4 volts from the controller back to the trailer connector then more than likely you have a problem with your wiring. What I would do is inspect both trailer connectors inside and out, looking for corrosion, bent pins, or exposed wire that could cause a short and fix as necessary. I attached an FAQ article on troubleshooting brake controllers for you to check...
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  • Troubleshooting Prodigy P3 Brake Controller 90195 That Only Works with Manual Override
    Since the manual override on your Prodigy P3 trailer brake controller # 90195 properly operates the trailer brakes even when they do not otherwise function in normal driving, this tends to suggest that the unit is okay but that it may be installed with an incorrect orientation. The Prodigy uses an internal accelerometer to sense vehicle braking. This device cannot function properly unless the controller is positioned correctly relative to the direction of travel. Please refer to the linked...
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  • Does 2006 Fleetwood Wilderness 31ft Travel Trailer Have Electric Brakes
    According to their 2006 Catalog I found online, Fleetwood exclusively used electric trailer brakes on all their 2006 model year Wilderness Series Travel Trailers. You can easily confirm this by looking behind one of the wheels. If there's two wires entering the rear of the brake assembly, it's an electric brake (see photo). If it's a steel or rubber brake line, they are hydraulic brakes. The Tekonsha P3 you looked at would be an excellent choice as far as a brake controller goes. I've...
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  • Troubleshooting Reese Brakeman IV Electric Brake Controller
    There should be a minimal amperage draw on the 5 o'clock pin of your 7-way from your trailer showing the brake controller that there is a trailer connected. That should not give you enough power to apply your trailer brakes and cause any issue. The white wire is ground and should have no power, the red wire should only have power when you hit the brake pedal, and the blue output wire should only have that small draw and nothing when the trailer isn't connected. The black wire should...
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  • Troubleshooting Tekonsha Prodigy P3 Brake Controller Only Works with Manual Override
    You have a problem with the red wire of the brake controller wiring of your P3 part # 90195 which is the circuit that tells the controller you are stopping the tow vehicle and to begin applying the trailer brakes. If you happen to have a late model GM truck this is most likely due to a blown third brake light fuse but otherwise it's probably the connection from the red wire of the controller to your truck's wiring. I attached a help article on troubleshooting brake controllers for you...
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  • Troubleshooting Stoplight Circuit Not Active on 2019 Chevy Traverse Brake Controller Wiring
    Check to see if the third brake light of your 2019 Chevy Traverse is still working like it should. It's possible the third brake light fuse went out and now the stoplight circuit of the brake controller wiring is now not active either. This a common problem on GM vehicles.
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  • Can Hold Feature of Prodigy P3 Brake Controller be Disabled
    You can disable the "hold" feature of the Prodigy P3 part # 90195 for up to 3 minutes if you press the boost button continuously for 5 seconds. This is normally used when backing a trailer up.
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  • Brake Controller Only Works Momentarily on a 2015 Ford Escape with LED Tail Lights
    You are likely going to run into this problem with any brake controller on your 2015 Ford Escape. A brake controller needs that 12 volt input from the brake switch so if it steps down the voltage then it is going to be an issue with any brake controller. There is also more than one wire that can carry the brake signal at the brake switch. Make sure you are using the one that only has power when the pedal is pushed and not also when the head lights or turn signals are on. The other option...
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  • How Does Brake Controller Install in 2008 Fleetwood Southwind
    Since your 2008 Fleetwood Southwind is built on a Workhorse W24 chassis I believe that there is wiring located up under the dash and to the left of the steering column on the 2006 Workhorse W24 chassis that is for a brake controller. Look for a bundle of wires held together with a white tag. The tag shows the functions of the wires. If that wire bundle is not present on your Southwind then the brake controller will have to be hardwired in. On the brake controller white is ground, black...
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  • Power Level Goes Up and Down on P3 Brake Controller when Stepping on Brake Pedal
    It sounds like there might be a loose wire and/or corrosion in the vehicle or trailer side connectors. The problem might be either the left or right brake/turn signal circuits (3 and 9 o'clock positions on a 7-Way connector). First I would make sure that the vehicle and trailer side connectors are clean and free of corrosion inside, where the wires attach, and outside on the pins. Then you can check for any loose or damaged/pinched wires and fix them as needed. I have also included some...
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  • Trailer Brake Lights Go On and Off With Vehicle Turned Off
    You can easily test your brake controller to see if it is causing the brake lights to go on and off with your vehicle off. To test this unplug the connector on the back of your trailer brake controller. With the trailer brake controller unplugged the lights stop going on and off, then you will need to check the wiring connectors for the trailer brake controller. If all the connectors are secure you will need to replace your trailer brake controller. I recommend the Tekonsha Prodigy P3 #...
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  • Where are the Power Wires Located for the Electric Brake Controller Box and 7-Way Trailer Connector
    The wires under the hood for power to the factory 7-Way and power for a brake controller under the dash are sometimes rather hard to see. The wire for the factory 7-Way power is located under the master cylinder and is taped to the wiring harness running along the firewall and under the vehicle, see attached photo. The wire for the power to the brake controller wire under the dash is located between the fire wall and the power distribution box, and is also taped to a wiring harness that...
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  • Should Brake Output Circuit on Vehicle 7-Way Always have Low Voltage on It
    That super low voltage you are seeing on the brake output circuit is actually the brake controller continuously testing to see if it can find a connection to trailer brakes. What you are seeing is totally normal. I attached a help article on brake controllers for you to check out as well though.
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  • Does Prodigy P3 Trailer Brake Controller Work on Motorhome With Air Brakes
    A proportional brake controller will absolutely work on a motorhome like your 2021 Newmar Dutch Star with air brakes, as it simply needs to wire into the brake light circuit (the circuit that only sees voltage when your brakes are applied). So, the actual type of brakes on your motorhome won't be a factor, which means you can use the Prodigy brake controller you mentioned: - Tekonsha Prodigy P3 Trailer Brake Controller # 90195 The P3 # 90195 is a great choice because it offers consistently...
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  • Can a P3 Brake Controller be Installed in a Motorhome with Air Brakes
    Yes, you can install the Prodigy P3 Brake Controller part # 90195 on a vehicle that has air brakes. When you install this controller on a vehicle it will tap into the brake light circuit to know when to activate and then can sense deceleration to know how much braking power it should apply to the trailer's brakes. As long as your trailer has electric brakes this controller would work well for you. I attached a help article on installing a brake controller in a vehicle from scratch for...
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  • Can a Tekonsha Prodigy P3 be Installed on a 2018 Toyota Tundra
    Yes, you can install the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 on your 2018 Toyota Tundra but you will need to hardwire it as there is not a plug-in adapter compatible with your vehicle at this time. The P3 is one of the most popular brake controllers we offer and will be an excellent option for you. There is only four wires to connect so installation should be very simple as well. I have even attached a tech support bulletin I was sent from Tekonsha which explains installing...
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  • Troubleshooting Trailer Lights Going Out When Headlights Of 2015 Ford F-250 Are Turned On
    Since the trailer lights work fine with your 2001 Ford F-250 but not with your 2015 Ford F-250 you at least have the issue narrowed down to your newer trucks wiring. Since the lights all work fine with the headlights turned off it sounds like the ground on the 7-way connector on your 2015 F-250 is bad. This is pretty common and usually only happens when multiple functions are turned on at once. Check the wire coming out of the 7 o'clock pin on your 7-way connector for any damage, and...
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  • Installing a Brake Controller on a 2011 Volvo XC90
    The best path is usually via a grommet up under your dash on your 2011 Volvo XC90. You may find it easier to remove that grommet by starting under the hood. If there isn't a grommet available you will need to drill a small hole. But be very careful not to drill through anything on the other side. I included a video for you to look at (see 4:50 mark)
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  • Why Do My Trailer Brakes Work with the Manual Override But Not the Brake Pedal
    If you are using a proportional brake controller like the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 which operates off of inertia from the tow vehicle then yes, the vehicle does have to be in motion for the trailer brakes to engage enough to stop the wheels from spinning. Therefore, it does not sound like you have an issue as proportional brake controllers are very popular and most likely what you have. If the trailer brakes still don't work while in motion then check...
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  • Voltage Readings with the Tekonsha Prodigy P3 Brake Controller
    The Tekonsha Prodigy P3 # 90195 has the ability to show a few different voltages when your vehicle is parked. The first option is your tow vehicle battery voltage which should be at least 12V if not more. The second is output power from the stoplight switch when the brake pedal is pressed which should be 0.00 when you are sitting still (or very low at the most). The third is output power to the brakes. If you are sitting still and using the brake pedal then that will read 0.00 but if...
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  • Finding Stoplight Switch for Installing Brake Controller in 2019 Ford F-750
    We don't have the install wiring colors of the brake controller install wiring for your 2019 Ford F-750 but what we can help you determine which wire to use for the red wire of the brake controller. What you'll need is a circuit tester like part # PTW2993 and you'll want to test all of the wires leading to the brake pedal switch till you find a circuit that has voltage only when the brakes are applied. That will be the circuit to use for the red wire. I also attached a link to a page on...
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  • Why Does My P3 Brake Controller Have a Delay Before Activating
    I spoke to my contact at Tekonsha and he informed me that it sounds like you were using a boost setting on your Tekonsha P3 Brake Controller # 90195 and then now somehow the boost setting got turned off. Try adjusting the boost back up with the power buttons and see if this returns your braking performance back to what you are used to. The power buttons are the up and down arrows to the left of the display.
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