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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 P2 Trailer Brake Controller - 1 to 4 Axles - Proportional

Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional

Item # 90885
Retail:$252.73
Our Price: $149.94
You Save: $102.79
Trailer Brake Controller
Shipping Weight: 1.16 lbs
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This proportional brake controller keeps it simple with intuitive controls that are easy to use. Includes a large, digital LED display, 3 boost levels, battery protection, and continuous diagnostics. Great Prices for the best trailer brake controller from Tekonsha. Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional part number 90885 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Tekonsha Trailer Brake Controller - 90885

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

This proportional brake controller keeps it simple with intuitive controls that are easy to use. Includes a large, digital LED display, 3 boost levels, battery protection, and continuous diagnostics.


Features:

  • Brake controller activates trailer brakes in proportion to your vehicle's braking action
    • Automatically adjusts trailer's braking based on deceleration of tow vehicle
  • Simple controls make it easy to operate the controller
    • Gain setting lets you adjust the amount of power sent to the trailer's brakes
    • 3 Boost levels let you adjust initial braking power and aggressiveness
    • Built-in, rotary-style manual override lever is within easy reach for controlling trailer sway or stopping in emergencies
  • Auto-dimming, blue LED display is easy to read
    • Automatically adjusts screen brightness based on the current lighting conditions
  • Built-in safeguards protect your vehicle, trailer, and the controller
    • Runs continuous diagnostic checks to alert you to any potential problems
    • Minimizes drain on car battery by drawing only 3.6 milliamps when not in use
    • Prevents trailer brakes from overheating by reducing power output to them 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
    • Mounting bracket and hardware included
    • Included harness hardwires to vehicle and plugs into controller
    • Plug-in, vehicle-specific brake-control adapter (sold separately) 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 (7686 - sold separately) required to swap controller between vehicles


Specs:

  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Compatible with electric or electric-over-hydraulic trailer brakes
  • Dimensions: 5-1/8" long x 3-1/8" wide x 2" tall
  • Length of hardwire pigtail: 30"
  • Mounting: 360 degrees vertically
  • Limited lifetime warranty


Gain Power Adjustment

Tekonsha Prodigy P2 gain

You can adjust the gain (also known as output) with the thumbwheel on the front of the controller. Gain lets you set the maximum amount of power that will be applied to your trailer's brakes. A heavier trailer will need more power to achieve smooth, safe braking, while a lighter trailer will need less. Typically, the gain is only readjusted when you experience changing road conditions or if the weight of your trailer changes.


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 gain. 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.


Safety Features

The Prodigy P2 offers key 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 P2 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 P2 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 P2, 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 P2 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.


The Prodigy P2 also offers diagnostics such as:

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

Automatic Leveling and Simple Installation

The self-leveling feature of the P2 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 P2 must be horizontally level and parallel with the direction of travel to work correctly.


Prodigy P2 correct mounting

Installation is a snap. After mounting the P2 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 P2 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 (P7685 - sold separately), you can even transfer the Prodigy P2 to another vehicle.


Installation Accessories

For even easier installation, a vehicle-specific specific wiring adapter (sold separately) 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 etrailer.com'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 P2 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 P2 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.



90885 Tekonsha Prodigy P-2 Proportional Brake Controller - 1 to 4 Axles

Replaces Tekonsha 90185

Installation Details 90885 Installation instructions


California residents: click here


Customer Satisfaction Score:


Customer Reviews

Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional - 90885

Average Customer Rating:  4.9 out of 5 stars   (2503 Customer Reviews)

This proportional brake controller keeps it simple with intuitive controls that are easy to use. Includes a large, digital LED display, 3 boost levels, battery protection, and continuous diagnostics.

by:

the controller has great reviews, I got it because my factory controller wasn't working well with the new camper that has electric/hydraulic brakes and I was experiencing a 5 second lag for the trailer brakes to come on. this controller works better with a 2 to 3 second lag, need to try a couple different combos on settings, have the boost at 3 (per recommendations) and gain at 2.5 and under hard braking it locks up the trailer tires. going to try boost on 2 and bump up the gain and see if that works better.

Etrailer Expert

Katrina B.

5/19/2023

Has doing this corrected the lag?

Carl B.

6/22/2023

That worked a little bit better, it seems as though the brakes are either off or locked up. If I set the gain to more than 3 the trailer locks up the tires, if I adjust the gain down a little then it seems like they don’t come on at all. A very small window. Same with the factory integrated controller.



by:

Just installed it. My Camper is a restored 1966 Frolic with electric brakes that I am getting checked out tomorrow.
Unit installed fine on my Chevrolet Colorado and the actual installation video with the Colorado was perfect!
Thanks - I will recommend it to a friend who needs to do the same on his Silverado.

Joseph

5/25/2023

Excellent product and the install instructions were perfect on you tube or wherever I found them



by:

Used it for a season’s worth of towing camper with my 2015 Chevy Traverse LTZ and it works great. Easy to use and effective. With a controller installed there is a big difference in braking; right away you could tell that the camper was braking and taking a lot of load off my Traverse. Good product, and easy to install on my vehicle that has a OEM tow package. Installed nicely right up under the right side of the steering wheel, mounted on the lower plastics.



by:

This is the second P2 brake controller. Smooth dependable breaking. Item arrived quickly and price is very good.

Earl

5/16/2023

No problems at all with this unit. Dependable and smooth braking while pulling fully loaded trailer.



by:

Probably a great product like the other equipment I have purchased and installed from etrailer. This particular brake controller instructions directed me to connect to a wire coming out of a multi wire plug up under the dash board of my 2002 Toyota 4Runner. There was no way I could get my hands to the wire let alone conect to it. So I will look for the brake light wire running to the rear of the vehicle and splice onto it.



by:

I bought this to replace a Curt Triflex controller that went bad after 3 years. They both did/do a great job, but I like a couple features of this unit better - the blue readout is easier (at least for me) to read and the boost option is nice to have as I live in the mountains and it helps on the steep downhills, helping save my tow vehicle brakes a bit. It fits nicely under my dash and I don't bang my knee on it entering my vehicle. Recommended!



by:

Installed this in my 2015 Jeep Wrangler Unlimited Sport. I thought that I would add some input on installation that would help others.
I found a way to route the power distribution wires in the frame of the Jeep that did not require the use of a fish tape. If you look at the frame just behind the rear tire you will see a hole in the face of the frame. Start pushing the wire bundle foreword. It will rise up and over the U shaped frame portion of the rear axle and then down along the passenger compartment area. About there, you will be running out of pushing stiffness. Look for the wire bundle to appear at a similar hole in the frame in that area. Grab it a and pull out approximately 4 feet and then push it right back in the same hole going foreword. This time you will look for the wire bundle to appear at again a similar hole just foreword of the driver compartment. Now is the time to grab it and start heading up to the engine compartment outside the frame. Do the same procedure for the wire going aft for the plug end of the installation. For the wires going through the firewall, Jeep has conveniently added a nice foam lined hole to route wires through. You will see this hole position in the attached photo with a green wire coming through. The plastic cover around the steering column pulls down from the top and hinges at the bottom. Remove the metal plate with two bolts to get to the brake switch. Twist and pull the brake switch out foreword and go for the brown stripped wire as your brake circuit. Do order the LONG frame bracket adapter for the switch plug at the rear. To drill the steel for the supplied plug bracket just takes too long. Now that you have it installed you will notice that the power will remain on the unit after you turn the key off. Don't sweat this as it will not stay on long. I doubt a few milliamps draw is going to kill your battery!

Jim

10/29/2016

Working great would recommend to all.



by:

This is the second one I purchased. The first was 10 years ago and installed in my 06 GMC. It has worked flawlessly allowing for safe and smooth stops from normal braking to a few of the panic stops that had to made over the years. The new owner of the truck likes the way it works too. I have multiple trailers and with one initial setup on the lightest trailer was able to tow all of them without changing anything but the boost setting to compensate for the different trailer weights.
When needing for a controller for my 07 Silverado there was no other unit that would fill the bill. This P2 looks the same except for the blue display instead of the red. The install took 20 minutes using the direct fit cable ordered with the controller. Setup was easy as with the first unit. I wanted the placement above the parking brake pedal so the OBD II connecter had to be moved. I did the same with the 06 GMC. It is a comfortable place to reach and it keeps the light away from the passenger's eyes at night.
As good as the Tekonsha controller is it is even a sweeter deal buying it from etrailer. The quick shipping, excellent pricing and knowledgeable staff are second to none in customer service.

Etrailer Expert

Mike L.

2/14/2019

Tekonsha recently updated the Prodigy P2 with an auto-dimming feature for the display so no more worries about being blinded at night.



by:

The online video showing the installation of the Prodigy P2 trailer brake control into a 2011 Ford Ranger was excellent! It made the installation into my Ranger simple and straight forth.
I have yet to hook up to my travel Trailer and adjust it for brake setting, but all readout displays thus far are as stated in the instructions.
Having previously installed the trailer connector, I did not purchase the installation kit and in retrospect for cost effective and simplicity would recommend anyone to purchase the kit along with the controller.
I believe I am going to be very pleased with this product.
Thank you

Larry L.

4/28/2016

great! thank you for an excellent product!



by:

Easy installation on my Ford E-450 Bus! Now I can pull my travel trailer! Thanks!

Thomas

8/19/2022

Still works after a year! It really has done a great job! Thank you!



by:

The brake controller is pretty easy to install and use.the installation video is very helpful and the written instructions on the website is great they specifically point out the size of the studs saving a ton of time trying to locate nuts to make the finally connections.



by:

very nice controller, very smooth and you don't have to mount it flat!! e trailer is the best company i ever worked with. they have pics, video, email support(exellent) and just flat out make it easy for you to do it yourself instead of paying some dirt bag $300 to install at your local trailer shop. i also installed kit #ETBC7 and once agian it was awesome. COMPLETE with DETAILED directions. i'm not a mechanic or hack employee at local trailer shop....BUT dealing with etrailer and there parts made my install very easy and CLEAN!!!

Matt

3/5/2015

Your products are awesome. Ive had zero issues with it and 5 of my friends purchased and installed the same set up in there trucks. Thanks again for the great products and excellent support.



by:

Video installation instructions were extremely helpful. Everything was plug and play once one had gained access to the hidden factory connectors.



by:

I didn’t have a good location that was reachable while driving so I mounted the controller on top of the dash. I leveled the bracket with a spacer and ran the harness by an access panel. I used about 70’ of the duplex wire due to running the cable to front and then back to the house batteries inside the coach.
The access panel made it easy to make the connections and run the wires through the firewall.
I mounted the 40 AMP and 30 AMP circuit breakers up front in the main fuse panel box. I drilled a hole through the box and firewall to run the wires from the brake controller to the breaker and to the blue wire for the tow connection at the back of the coach.
I ran the battery connections to my house batteries up front instead of using the engine batteries in the back.
I found the brake connection wire under the coach in front directly below the brake pedal.
I mounted the converter in a beam in the back with lots of zip ties

Scott M.

8/15/2013

For ford ranger 2010 and perhaps other years:Be aware that the video contains the wrong instruction for the 2010 ranger. In wiring the brake light wire, the switch shown being tapped into gives reverse braking sensing, that is, it is 12 when the brake is not applied, but 0v when it is. I found elsewhere that the correct wire is the 2nd connection on the 5 pin plug that rides on the brake itself.This is no comment on the original video, which was excellent, and referred to the 2011 ranger model.

Patrick B.

8/19/2013

Wire colors can and do change often. We offer the colors that we find in our videos as a starting point, but even if you have a 2011, it is best to double check and make sure to positively identify the wire color first.


by:

The best trouble free controller I have ever used. I have 7 vehicles with these units in them and I won’t use anything else. When connected to a trailer a “C” is displayed, it self-levels, and it displays output power. The best of the best.



by:

I haven't used the controller yet, but it seems pretty solid and installation wasn't difficult. It would be nice if Tekonsha explained the pinouts though. I had to rely on the generic diagram found here: https://www.etrailer.com/faq-etbc7.aspx



by:

Used in conjunction with harness kit for my 2002 tundra, this year has no provisions for towing trailer with electric brakes.
The controler itself has proven itself nicely, with no issues with installation or use, adjust easily.
The mounting location I chose may have some slight interference issues with legs on taller people, but I have not had any @ 5'11". The truck is a midsized so room is more limited. I'm towing a tandem 14' trialer with 4 seat RZR, tracking and stopping is perfect, even under hard breaking.



by:

Great Brake Controller, used it with the Universal Install Kit for Brake Controllers and No-Drill Mount Bracket, Short - 18140. It only took me 2.5hrs to have it fully installed in my Jeep Wrangler Unlimited 2013. Videos were great. Also having some 1/4in water tubing helped for phishing wire thru frame.
Wish I had watched the video a couple of times before buying and also purchased the extra wire to go from the battery to the brake controller, but had extra wire from another project that worked.
This brake controller works great as we tow a <3500lbs Travel Trailer with our Jeep.
Comes with a great card that helps with settings, keep it in the glove box for future reference.



by:

I recently bought a 2018 Chevy Silverado LTZ. It was equipped with a towing package but no brake controller. Not wanting to alter the interior of the truck too much, I called etrailer for advice. Robert S was very helpful. He suggested the Tekonsha Prodigy P2 brake controller and jumper wire that I was able to hide neatly under the dash using an existing screw. I have been very pleased with etrailer and their suggested product.



by:

Great product, very easy install especially with the OEM harness. In about an hour had it installed and trailer set up with controller. Thanks,
Greg

Greg H.

8/30/2019

Great!! smooth braking when I haul my tractor and other materials



by:

It was easy for me to hook up to my 2005 gmc yukon xl. plugged in to floor socket. There are videos on youtube for install. I hung under dash to my right. it worked out of the box for a heavy 16 foot trailer. I did by the separate plug/wire connector for my vehicle which made the install easy. Research your vehicle set up for the wiring.



by:

Great Brake Controller This was my first time using a brake controller and installing one as well. The directions were easy to follow for both the install and setup.

2012 Ram

William E.

8/19/2013

where did that mounting bracket in this picture come from. Was it already on your 2012 Ram?

Mai N.

8/21/2013

The bracket was already on the Vehicle, its in between the light switch and the parking brake release lever where OEM controller would be if equipped , it requires a little modification to fit.



by:

I installed this model 90885 Prodigy P2 Brake Controller using the ETBC7 Brake Controller Wiring Kit on my 2007 Dodge Nitro. On a scale of 1 to 10, I consider myself about an 8 where it comes to automotive mechanical and electrical work. I also strive to get as close to perfection as possible. To do the job right, it did take some time and it did require paying close attention to the directions for both the wiring kit and the controller. However, the directions were "right on", and all the needed "goodies" to do the job were furnished. My hat is off to ETRAILER for the informative videos they provide and their customer service, which includes very quick shipments of their products.



by:

I purchased this controller for my 2005 Jeep TJ. We're towing a 2014 Forest River FLagstaff MAC and, after doing much research, we decided that this unit (along with the universal installation kit ETBC7) was the right one for us!

Both the controller and install kit contain everything that you'll need for a clean, professional-looking install! The install took around 2 hours (in my driveway) and the controller works flawlessly!

This setup is perfect for a Jeep TJ, the controller fits nicely to the lower left of the steering wheel (out of the way) and the trailer connection is a bolt-on setup that attached to my Reese towing hitch!

The trailer connection (with the install kit) has both a 4-pin connection and a 7-pin connection so there is no need for adapters! It is truly a "plug and play" setup!!

As far as ordering and customer service goes, this was one of the smoothest transactions I've had in quite some time! There are numerous photos and install videos that will guide you through the install.

We'll definitely start with etrailer.com for our next purchase like this!



by:

I installed the brake controller a week or two ago in my 2013 GMC Sierra 1500. I had one just like it in an older Duramax that the previous owner installed--I went with the same product. I had the chance to use it this afternoon to pull a few tons of #57 stone. Trailer plus load I figure about 6000 pounds behind the truck. Pictures are attached.
This is the first 1/2 ton truck I've owned in nearly 10 years and worries how it would do with heavier loads. This controller made a world of difference and really maximized the use of my truck. Great product and I highly recommend it to anyone needing a good controller.


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See what our Experts say about this Tekonsha Trailer Brake Controller

  • What Adjustments are Needed when Installing the Tekonsha Prodigy P2 Brake Controller # 90885
    A proportional brake controller like the Tekonsha Prodigy P2 Brake Controller, part # 90885 applies power to the trailer brakes in proportion to the vehicles braking action. The setup of a proportional brake controller is a simple procedure. When the brake controller is installed in your 2010 Ford F-150 you will need to first adjust the power to the trailer brakes. The steps to adjust the power are as follows. 1. Connect trailer to tow vehicle. 2. With engine running, hold manual full...
    view full answer...
  • Troubleshooting No Trailer Brake Lights When Head Lights On After Prodigy Brake Controller Install
    That sounds like a ground problem on your trailer. With the excessive draw of your headlights being on and then applying the brakes to turn on the rest of the taillights the insufficient ground problem rears it's ugly head and prevents the brake lights from illuminating. I would check the grounds on the tail lights of your trailer and make sure they are making a good connection to a clean metal surface. A lot of taillight assemblies ground through the mounting hardware. If this is the...
    view full answer...
  • Weak and Pulsing Trailer Brakes when Using Tekonsha P2 Brake Controller on a 2012 Skyline Trailer
    On the P2 brake controller # 90885, the SH indicates that there is a short on the blue wire that is output to the trailer brakes. The oc might actually be nc or 00. NC indicates the trailer is not connected and 00 means the power setting on the controller is set to zero. For the SH the most likely cause is a dirty trailer connector on either the truck or trailer side or both. Check the connectors for dirt and corrosion. Corrosion can also build up where the wires attach to the connector....
    view full answer...
  • Brake Controller Constantly Drawing Power From Battery
    The Prodigy P2 # 90885 like all other electric brake controllers will have a very small constant draw from your battery. This is not something to be alarmed about as it is part of the design. It's purpose is to allow the connection to remain so you don't need to reboot each time you start and stop your vehicle. It is such a small draw that you don't need to be concerned about it draining your battery unless you are leaving the vehicle for multiple months in storage. If that is the case,...
    view full answer...
  • Takonsha P2 Brake Controller Blew Fuse When Plugged Back in After Disconnected
    Sounds like you may have a loose or bad ground somewhere in the trailer brake circuit. Go back and check all the plug-in connections. Make sure these connections are snug and not loose. If these check out to be ok, then make sure the ground on the brake controller is connected. If every connection checks out and is connected, then you may have a draw on this circuit. Check to make sure you the correct amp fuse installed for the circuit.
    view full answer...
  • What Do Codes and Number on Prodigy P2 90885 Mean
    The Tekonsha Prodigy P2 trailer brake controller # 90885 will show various codes to help you troubleshoot any problems. The installation instructions list these codes and I have included a photo of them too. The complete instructions for this product are linked for you as well. The display also shows the braking power setting you have selected. This power ranges from 0.0 to 13.0 volts.
    view full answer...
    Image 1 for
  • How Does a Prodigy P2 Brake Controller Install in a 2007 GMC Sierra Truck
    On your 2007 GMC Sierra there isn't a plug for installing the part # 90885 as the vehicle doesn't have a port to accept it. To install a controller in your truck requires wiring it to the 4 wires under the dash of the truck that are present there. I attached a help article that covers this plus an install video that shows the controller being installed as well.
    view full answer...
  • What Circuits Should a Prodigy Brake Controller Run to
    If I had to guess the guy installed the brake controller wrong and never tested it with a trailer. You need to move the wiring of the controller around so that all of the circuits are run to the correct wire. The blue wire is right, the white is for ground, the red for stoplight switch, and black for 12 volt power. Just like in the chart I attached.
    view full answer...
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  • Will the Inertia Sensor On a Trailer Brake Controller Apply Brakes Without Pressing the Pedal
    The Tekonsha Prodigy P2 Trailer Brake Controller part # 90885 does indeed have an internal inertia sensor that senses deceleration and applys voltage to the trailer's brakes accordingly however, this inertia sensor must first become triggered from the brake pedal. Therefore, your trailer's brakes would not activate without the red wire attached and the brake pedal depressed. Unfortunately, I don't have any wiring schematics for a Chevrolet Blazer but all you will need to do to find the...
    view full answer...
  • How to Install a Brake Controller in a 2002 GMC Envoy
    The plug in your picture is the OBD II port which is on every vehicle made for the US market since 1996 but you cannot plug a brake controller into it. But you won't need to on your 2002 GMC Envoy because if it came with a factory installed 7-Way trailer connector then there are already tow package wires tucked up under the dash, to the left of the steering column, held together with a white tag like in the video I have linked showing a TrailBlazer (which was built on the same platform...
    view full answer...
    Image 1 for
  • Location of Wires for Brake Controller Install on 2012 GMC Yukon Denali
    The wires to install a brake controller like the Tekonsha Prodigy P2 # 90885 on your 2012 GMC Yukon Denali will be bundled up under the dash, on the left side of the brake pedal. These can be very difficult to find occasionally so you will probably have to dig in order to find them, but don't give up because they will be there. I have added a link to a video review of this controller being installed on a Yukon for you to take a look at, as well as a link to our selection of brake controllers...
    view full answer...
    Image 1 for
  • Availability of Brake Controller Wiring Harness For a 2005 Bounder RV Diesel Freightliner Chassis
    I do not offer a brake controller wiring harness for a 2005 Bounder RV with a Freightliner chassis that will plug into the Tekonsha Prodigy P2 Brake Controller, part # 90885. Usually on an RV there is not always a factory brake controller plug under the dash and if there is it can vary between different models so there is not always a location listed. You might check with the RV manufacturer and see if they can help you locate the brake controller wiring harness on your RV. Some RVs will...
    view full answer...
  • Troubleshooting Tekonsha Prodigy P2 Brake Controller with Intermittent Braking
    The error codes you are getting with your Prodigy P2 Brake Controller # 90885 help explain why you are getting intermittent braking. The "S.H" means you have a short in the brake wire during an idle connection and the "P.L." is a power interruption when you hit the brake pedal. This makes sense in the way you described it as I imagine the S.H. is happening before you move the car and the P.L. is happening when you brake. I imagine there is a short on the blue brake wire somewhere along...
    view full answer...
    Image 1 for
  • Brake Controller Recommendation for Replacing Activator III
    I recommend the Prodigy P2 Brake Controller part # 90885 as it will reuse your existing wiring from your discontinued Activator III. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake controller that senses the amount of braking the tow vehicle is applying and applies a proportionate amount to the trailer brakes. This will be the last brake controller you buy. It can easily be transferred to future vehicles as well.
    view full answer...
  • Is there a Difference Between Prodigy P2 90885 and 90885C Brake Controller
    There is no difference between the Prodigy P2 part # 90885 and the 90885C. Our part number just does not use the C at the end of it. I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake controller that senses the amount of braking the tow vehicle is applying and applies a proportionate amount to the trailer brakes.
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  • SH Error Message Flashing on Display on Tekonsha Prodigy P2 Brake Controller # 90885
    The SH error message on your Tekonsha Prodigy P2 Brake Controller # 90885 means that the controller senses a short circuit. You can reset the controller by unplugging it from the harness that connects it to your vehicle and waiting about 60-seconds. During this time disconnect your trailer. You can then plug it back in. If you again see the SH short-circuit message then you'll need to troubleshoot your wiring on the vehicle, looking for the cause of the short circuit in the wiring between...
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  • How Does Brake Controller Install in 2017 Volkswagen Touareg
    Installation of the controller on a Touareg requires some special steps. I have included a link to a help article that explains what you will need to do to install the controller on your Touareg. For your 2017 Volkswagen Touareg I recommend the P2 # 90885. It is our most popular brake controller because it is easy to set up and use and it is reliable.
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  • Fuse Location for Factory Integrated Brake Controller on a 2011 GMC Sierra
    According to the owners manual for the 2011 GMC Sierra the brake controller fuse is in location 6 in the engine compartment fuse block. Consult your owners manual to confirm.
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  • Troubleshooting Brake Controller that Only Works with Manual Override Lever
    Sounds like your brake controller will apply your trailer brakes if you apply the manual override lever but not when you press the brake pedal. This is a fairly common problem and the solution is the red wire of the brake controller. Make sure it is connected to a circuit that only sees voltage when the brakes are applied and none when released. Most likely the connection is the issue and just reconnecting the circuit will cause the controller to work again. Check the third brake light...
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  • Troubleshooting GMC Sierra Where 12 Volt Accessory Circuit Isn't Active
    You didn't mention what year GMC Sierra you have but the issue you mentioned is pretty typical on GM trucks as there's a couple connections that need to be made under the hood for the trailer wiring 12 volt accessory circuit to be complete. I attached two help articles below that cover the two GM truck generations requirements to install a brake controller. In that there will be how to activate the circuit.
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  • How Does Brake Controller Install in 2017 GMC Canyon
    For installing a brake controller in your 2017 GMC Canyon there is no plug present under the dash, but the needed wires are already run. You will connect the brake controller wiring with the vehicle wiring already present under the dash. It's up above the brake pedal. If you check out the attached video link you can see the Prodigy P2 part # 90885 installed in a similar GMC Canyon and you can see exactly where the wiring is and the entire install process.
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  • Is it Normal For Brake Controller to Cause Trailer Brakes to Pulse
    Brake controllers will pulse a very small amount of voltage on the brake output circuit as a way to test to see if a brake controller is connected or not. Sounds like you are hearing that pulse activate the braking system. As long as the brakes are working like they should everything would be fine.
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  • Which Brake Switch Wire is Used to Install a Brake Controller on a 2012 Dodge Grand Caravan
    On your 2012 Dodge Grand Caravan the brake switch wire you will need is likely a green wire. That is what it is on the same year Chrysler Town and Country. It could also be a white wire with a green stripe like in the video I have linked. Test those wires to see if they carry the brake light only signal. Make sure the tester is grounded and the pointed end of the tester is penetrating the insulation so it can touch the copper strands inside.
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  • Brake Controller Recommendation for a 2007 Chevy Tahoe
    For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake controller that senses the amount of braking the tow vehicle is applying and applies a proportionate amount to the trailer brakes. No plug is present under the dash, but the needed wires are already run. You will connect the brake controller wiring with the vehicle wiring already...
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