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Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge

Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge

Item # 3020-P
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3020-P - Vehicle Specific Tekonsha Accessories and Parts
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Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your 's dash. 1-833-496-1390 to order Tekonsha accessories and parts part number 3020-P or order online at Free expert support on all Tekonsha products. Great prices and Fastest Shipping for Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge. Accessories and Parts reviews from real customers.
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2009 Dodge Durango - Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge

  • Trailer Brake Controller
  • Wiring Adapter
  • Plugs into Brake Controller
  • Tekonsha
  • Vehicle Specific

Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your 's dash.


  • Adapter is wired for:
    • 1995-2009 Dodge Ram 1500/2500/3500, Full Size, all models
    • 1997-2011 Dodge Dakota Pickup w/Factory Tow Package
    • 1998-2009 Dodge Durango w/Factory Tow Package
    • 2007-2009 Chrysler Aspen w/Factory Tow Package
  • Wiring adapter eases installation of your electric brake controller
  • Custom connector end plugs into the built-in port beneath the dash of your vehicle
  • Other end plugs into the back of your electric brake controller
    • Compatible time-delayed brake controllers: Draw-Tite Activator I (5100), Draw-Tite Activator II (5500), Draw-Tite Activator III (5520) and Tekonsha PowerTrac (39523)
    • Compatible proportional brake controllers: Tekonsha Prodigy (90185), Tekonsha P2 (90885), Tekonsha P3 (90195), Tekonsha Primus IQ (TK90160) and Tekonsha Voyager (39510)
  • Limited 1-year warranty

Installation of Tekonsha Brake Controller Adapter

This adapter plugs into the 4-pin connector on your vehicle's built-in brake control wiring harness. The harness is located underneath the dash, to the left of the steering column, taped to another harness near the emergency brake pedal.

To install your electric brake controller you need to connect the wiring of the controller to your vehicle. Certain manufacturers offer pre-wired options, typically known as tow packages, wherein these wires are run for you from the dash to the trailer connector on the back of your vehicle. Often, a brake controller wiring harness is included with your tow package. This harness plugs into a port beneath your dash and connects to the four wires of the brake controller. If, however, you have a brake controller with a plug in place of the four loose wires, you can use the Tekonsha adapter.

This adapter requires no hardwiring. It is designed to plug directly into your electric brake controller for the simplest installation possible. Because there are no wires to connect, installation is not permanent. You can unplug and remove your brake controller at any time and securely stow it away.

3020-P Tekonsha Brake Control Wiring Adapter with 2 Plugs

Installation Details 3020-P Installation instructions

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge - 3020-P

Average Customer Rating:  4.9 out of 5 stars   (890 Customer Reviews)

Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your vehicle's dash.


Worked great . Used force meter to test output . Clean in stall. Unit appears to always be powered. Hot in summer heat so will only connect to power when using


I’ve had the Timbren suspension enhancement system for a year now on my ‘99 Dodge 1500 4x4. I purchased this product because I had to tow my bumper pull three horse trailer from South Carolina to N. Central Montana. With a camper top, the bed loaded and the trailer loaded the truck sagged really bad. With the Timbrens on the sag went away completely. Making for a much safer less stressful experience while towing.

2001 Jeep Grand Cherokee

This etrailer part "Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge - #3020-P" is a PERFECT fit for my 2001 Jeep Grand Cherokee and Tekonsha P3 brake controller.

After a LOT of research I discovered that in the Jeep Grand Cherokee WJ series (1999-2004) the 2001 model with "factory installed tow package", was the only year that did not have the 'the tucked away blue wire running back to the 7-pin trailer connector at the rear of the car. Instead a prewired connector was installed. According to the Jeep WJ users site, the Mopar part #56020142AB (wire harness with the appropriate connector for 2001 Jeep GC) had been discontinued, but Tekonsha Corp. (brake controller manufacturer) had a suitable replacement part. The page link on WJ Jeeps to the correct part at Tekonsha was broken and a search of Tekonsha's website produced no wiring that would even remotely help.

After crawling under my dash and removing the electrical fuse cover I found a blue connector. I took a photo of the connector so that I hopefully could find a connector that would help me avoid a complete engine compartment to rear bumper wiring installation.

Here on etrailer I found the brake controller I wanted and started looking at what I needed to make it operational. I tried everything I could think of (including writing the etrailer tech) to find out if the "Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge - #3020-P would work for my 2001 Jeep. No one was certain.

Sooo... I decided that at a cost of $14.99 it was worth it to buy - try - and return if necessary. I also figured if 'worst-came-to-worse' I may want to cut off the Dodge connector and use this shielded wire set instead of Tekonsha's wire harness by snipping off the Dodge connector.

5 minutes out of the box my Tekonsha P3 was lit up and a test light confirmed I had power to the factory installed 7-pin trailer connector at the rear using this etrailer part. It snapped into both connections perfectly.

The 30" length sounded adequate, but looked short out of the box. It turns out I have many mounting options with this length. Although it may not be mounted for a day or 2, I've decided to mount it on the left side of the steering wheel column. That's well out of the way of my long legs and yet in easy reach for manually engaging the trailer brake with the hand lever on my brake controller while driving.

I would recommend "Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge - #3020-P" for ANY brake controller installed in a 2001 Jeep GC with the factory installed Mopar/Dodge connector. Just cut off the Tekonsha connector and butt connect the harnesses: BLUE to trailer connector * WHITE to ground - * RED to BRAKE switch (or recommended brake pedal connection point) * BLACK to battery +

Attached photos: original Mopar brake controller harness for factory installed tow package 2001 Jeep Grand Cherokee; etrailer's photo of the dodge connector for Tekonsha controller for visual comparison; a photo of the connector found under my dash; a photo of etrailer part #3020-P connected to my underdash connector; a photo showing the reach of the cable for a possible dash mount; and a photo showing the possible reach for a hidden ash tray mount.


Installation was relatively easy for the brake controller and the adapter cord allowed me to place the controller in the middle of the dash just underneath the AC/Heat control system for good visibility. As always etrailer comes through again! Thank you! John

2001 Dodge Durango

Purchased the wiring harness for my 2001 Dodge Durango and installed the brake controller. It was very easy, as my vehicle had a tow package installed already. Only took 20 minutes to hook up. Recommend this harness for similar suv's. Tested out perfectly. The price was better than all local sources. Trailer pic attached.
Al Fox


This product was a very easy install and initial setup. Only complaint is lack of option when trailer is not hooked up. I would like to present set my boost settings and break output and save them before actually getting hooked to my trailer. Then custom tune it once hooked up. Other than that, everything seems to be top notch.
When it came to the install, I chose to stray away from the typical mounting location and go with a point closer on the center console. If not for that the installation of the P3 would have taken less than 5 minutes from start to finish. Truly plug and play.


Perfect fit match up with OEM pre-wired tow package


Tekonsha Prodigy P2 Electric brake controller was easy to install on my 2007 Ram 2500 diesel. I purchased the factory connector from e-trailer and snapped right in place. At 1st couldn’t find connector on vehicle but after going on e-trailer FAQ I found it. Picture included. Customer service was outstanding

2006 Dodge Durango

This adapter worked perfectly for plug-and-play use in my 06 Durango 5.7 Limited. Very happy with the quality, the braided sleeve over the wires prevents rubbing and removes risk of shorting out wires. The actual plugs themselves are made from good quality plastic, and are not cheap or easily broken.


Bought it for my 05 cummins with the harness for the year make and model, plug and play mounted well works awesome


The cable arrived and we'll be camping tomorrow knowing the trailer brakes will be working thanks to your quick shipping and nicely constructed cable for my brake controller. It took 5 minutes to install.


The adapter worked perfectly! If you have a Dodge that matches this part I am sure you will be pleased with fit and function.


Made installing my brake controller a snap. Simply plugged one end in the plug under my dash and the other end into my controller. Use some zip ties for wire management and DONE. If your vehicle is already wired for a brake controller and you want to put in an after market controller then spend the extra few bucks and get the pre-made wire from etrailer. Well worth it!


Brake controller works great and was easy to install with the wiring
that was available on site.


Extremely easy to install.... True plug and play.

No issues.

Couldn't be happier

Dodge Ram Pickup

The P3 adapter fit my Ram 2500 perfectly and connected to the brake control unit. I had a question about installing the cable through the dash and was helped by email. Great support!

The adapter has worked great!
Brian D - 07/03/2015

2005 Dodge Ram Pickup

I purchased the Tekonsha P3 proportional brake controller and the Plug-in Wiring adaptor for my Dodge Ram Diesel 2005. It shipped promptly and arrived on schedule. I plugged it into the under-dash socket in about 30 seconds and tried it out before installing it; it powered up immediately and everything looked good. It took a few minutes to install the P3 bracket to the dashboard just to right of the steering column and about the level of my knee. The adaptor has enough length to put it left or right of the steering column, but not very high on the dash. The adaptor made the installation quite simple – gathering the tools and deciding controller placement took 20 minutes out of the total 30 minute installation time. The actual installation was to drill 2 holes and screw in 2 screws to the dash and 2 screws to the pocket bracket, then tying the cord to other wiring behind the dash. Settings for electric brakes and other info into the unit took under 2 minutes.
Wow! What a difference - the braking was strong, smooth and uniform. I can only compare on my vehicle to braking without a controller unit engaging the trailer brakes, but it showed me how important those brakes are to an easy and safe stop. I have driven other people’s trucks with loaded horse trailers, and their controller units did not give anything like the constant readout of trailer brake voltage and other information this one gives you. This is obviously a high quality unit with everything I need and more. My priority is horse safety on the road and that includes smooth, proportional braking. I like the ability to monitor the voltage of the vehicle system, the volts and amps to the trailer, and troubleshooting capabilities.
I spent 6 or 8 hours reading everything on brake controllers before ordering this one, and compared it to several other highly-rated units. While it is available for similar pricing from eBay and other sites, I found's website to make things very easy, such as finding the exact Plug-in Adaptor for my vehicle, finding videos about various controllers, and finding instructions for installing the unit. Thanks to the website, I was able to check under my dash to verify the brake controller plug was there waiting to be used, and I had a very realistic idea of the installation procedure in advance. Getting the Plug Adaptor in the same shipment was important too, and let me install it immediately. I was glad I ordered from and would not hesitate to order from them again.

This review was so helpful after all my own research that it helped me feel cofident in my decision to try this connector on my 2001 Jeep Grand Cherokee with the factory tow package. Like she said. It takes longer to decide where to put it than it did to take it out of the box, plug it in and tie the cable neatly in place.One thing that she didnt say is that the sheathing around the 4 wires keeps the bundle as neat and clean as Ive ever seen in a wiring harness.
-- comment by: Blaine B - 02/20/2015
Still working great. I have not even used all the diagnostic features lately. Trips as far as Orlando to Dallas to Houston and back. No issues, and I have put it on and off about 10 times, ie unplugged it when trailer not hitched. Easy to adjust the boost on the brakes.
Janine P - 12/10/2015
This part made it easy to install, and I have unplugged the controller each time I unhitch the trailer, then put it back in, clipping the plug-in adapter to the back and snapping the unit into its bracket, probably 10 times this year. Clicks in great each time, unit works perfectly and I use different boost when horse is not in the trailer, due to change in weight.
Janine P - 12/10/2015

2007 Chrysler Aspen

This worked excellent and as expected. Loved that it had the plug in for the brake control cable. Unfortunately the brake controller didn’t.


Installed easily and now trailer brakes better with truck with no lock ups and is easily adjustable to road conditions while in motion. It is very nice to look at display and see the trailer plug is or is not connected.


I ordered the Tekonsha P3 and a wire harness for my 2006 Dodge 1500. The harness matched perfect and took about 10 minutes to attach it and zip tie it down. The P3 bracket took about 15 minutes and I was ready to go. Thank you all at etrailer for having the right info and the right set up for my vehicle. I say that due to getting the wrong wire harness on items I've ordered elsewhere. If I need anything else for my trailers I will use you all again!


Super simple to plug n play.

1999 Dodge Ram Pickup

This is a plug and play with the P3 controller. It was perfect for my application. It is plenty long enough to run your controller over to right of steering column. I actually put mine in the factory ash tray so that I could more easily see it/operate it, without obstructed view of steering wheel. It is a very tidy piece also. Looks great under dash. Service was excellent from sellers and fast shipping even to AK. To bad it isn't free shipping up here haha


Makes an install super easy. Wasn’t quite long enough for where I put the brake controller ( at the manual gear shift ). Would work for the usual place under the steering column, left or right sides . Etrailer kept me informed several times by email and phone of the back order on this cable. Great customer service. They still fulfilled the order quickly.


Plugs right into the blue trailer wiring harness on my '08 Dodge. Makes install just plug and play. Get the harness, save yourself a lot of trouble.

2002 Dodge Ram Pickup

Works great just plugs right in to factory connector and into the brake controller. Used it on a 2002 ram 1500

Show More Reviews

See what our Experts say about this Tekonsha Accessories and Parts

  • Brake Controller Wiring on a 2000 Dodge Dakota with Factory Tow Package
    All fuses and breakers needed for the operation of your brake controller should already be in place. You can check your owner's manual for the location of the fuses that manage the tow package. All you should have to do is plug in one end of the wiring adapter, part # 3020P to the port next to the emergency brake, then attach the other end to the brake controller. The connection point should be under the dash, near the top of the emergency brake pedal. The actual connector will be light...
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  • Wiring a Tekonsha Voyager Brake Controller part # 39510 to 2006 Dodge Ram 2500
    If you're using an older-model Voyager that has the wires exiting the rear, rather than the plug, you'd simply use the # 3020-P and cut the black plug off. The wires from the controller would wire to the plug color for color.
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  • 2008 Dodge Ram Electric Brake Controller Wiring Colors and Connections.
    The green wire on your truck is the brake feed circuit that powers the brakes on the trailer. This wire needs to be connected to the blue wire on the brake controller. I went to the warehouse and pulled the connector for the Ram Pickups, item # 3020-P, and found that the green wire on your truck that runs to the blue wire on the brake controller, should be installed between the yellow and white wires in the under dash connector. The connections are as follows, the yellow wire on the truck...
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  • How to Wire Older Tekonsha Brake Controller 5288 to 2009 Dodge Ram 2500
    We have put together a chart for matching vehicle wiring to the standard 4 colors on the brake controllers. The colors will wire as follows: white/red to black, blue/white to red, green/black to white, and blue to blue. I will include a link to the page with this chart on it. It is toward the middle of the page. All you have to do is follow the wire color chart and make sure your connections are good and your brake controller should work fine. If your Dodge has the port connected to the...
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  • Troubleshooting Brake Controller Not Having Power on 2004 Dodge Ram
    It sounds like you have a blown brake controller fuse under the dash of your 2004 Dodge Ram since you've tried a few controllers and none have power. Try that and let me know what you find.
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  • Why Does a Trailer Brake Controller Stay On when the Key is Turned Off on a 2002 Dodge Ram 2500
    I am not sure which brake controller you are using but most controllers are connected to a fused power source directly to the battery and not an ignition source. This means the controller can draw power even with the key off. However, most will go into a kind of sleep mode after about 15 minutes of inactivity and will not draw much if any power from the vehicle battery.
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  • Tekonsha Primus IQ Brake Controller Does Not Activate Trailer Brakes when Connected to 2001 Ram 2500
    What does the Primus brake controller # TK90160 display when the trailer is connected and you are not using the brake pedal or the manual override? With the trailer connected it should display .c or .c. which means a trailer is connected. If you are just sitting and step on the brake pedal it is not going to send back power because the controller is not sensing any movement. But if you use the manual override it should display the power output level you have the controller set to. Make...
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  • Can the 3020-P Harness be Used to Install a Brake Controller in a 2004 Dodge Ram
    You can use the install harness part # 3020-P to install a brake controller in your 2004 Dodge Ram. You would need to cut off the end that would plug into the brake controller and then hardwire those wires to the controller instead. This way you will be able to still use your current brake controller.
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  • Location of the Factory Brake Controller Plug In Location on a 2005 Dodge Dakota with Tow Package
    The female socket that the Tekonsha Brake Controller Adapter, item # 3020-P, will plug into, is located under the dash on the left side just above the emergency brake pedal, see photos at right. Normally this connector is blue and it is located in this area on all Dodge Dakota vehicles but is sometimes harder to see than others.
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    Image 1 for Image 2 for
  • Where Does the Power Wire for a Brake Controller Run on a 1995 Dodge Ram
    The power wire on the Tekonsha Sentinel or any brake controller goes to the vehicle battery via a fuse or circuit breaker. On a 1995 Dodge Ram if you had a factory 4-Way or 7-Way trailer connector then there is a brake controller plug in port that will accept harness # 3020-P. The factory harness is located underneath the dash, to the left of the steering column, taped to another harness near the emergency brake pedal. In this set up, the factory harness is already fused and connected...
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  • What is the Towing Capacity of a 2000 Dodge Dakota
    I have a coworker who drives a 2001 Dakota which is the same generation as your 2000. So I checked his owners manual, see pictures. It appears that the bigger V8 for this truck, the 5.9, does not have enough capacity to tow an 8,000 pound trailer. The highest of any model is 6,450 pounds. Capacity takes into account not only the motor but also the transmission, the rear end gear ratio, wheels, tires, suspension and so on. Basically you would have to replace every major component of the...
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  • Unplugging a Brake Controller from a 2006 Dodge Ram 2500
    On a brake controller wiring harness for your 2006 Dodge Ram 2500, the end that plugs into the truck has a tab on one of the longer sides. This tab fits in a mating tab on the truck's connector. When installed, the tabs lock. On the brake controller end you can push down behind where the tab is and pull the connectors apart at the same time. It is possible that the tabs could be "seized" and you would need a small, flat blade screwdriver to apply some gentle prying force.
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  • Where Does a Brake Controller Plug Into on a 2006 Dodge Ram 1500 Big Horn
    On the 2006 Dodge Ram 1500 that came with either a factory 4-Way or 7-Way trailer connector the receptacle to plug in a brake controller with a harness such as # 3020-P will either be on top of or along the side of a white rectangular box back along the firewall to the right of the emergency brake pedal. I have included a picture showing this for you. The factory plug is blue. If your Ram did not come with a factory installed 4- or 7-Way trailer wiring harness then it is possible that...
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    Image 1 for
  • Do Colors of Brake Controller Install Harness # 3020-P Match 2008 Dodge Ram Wire Colors
    The correct brake controller install harness for your 2008 Dodge Ram 1500 is the part # 3020-P. It sounds like you have this connector since the pin out of it goes white wire, red wire, blue wire, and then black like you stated. The colors of this harness aren't supposed to match up with the colors of the wire on the Dodge connector. Manufacturers use different colors all the time. I attached an install video that shows how to use this harness to install a brake controller in a 2008 Ram...
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  • Troubleshooting Stoplight Circuit Wire of Brake Controller Wiring Not Functioning
    Sounds like you have a blown CHMSL fuse in your 2009 Dodge Ram if the stoplight circuit of your brake controller wiring isn't functioning properly. Check the fuse box of your vehicle for that fuse (CHMSL stands for center high mount signal light). This is what powers the third brake light at the top of the cab of your truck. This circuit is connected to brake controller stoplight circuits often.
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  • Brake Controller Wiring on a 2000 Dodge Dakota
    You do not mention whether the 7 way is factory installed. If it is, there should be a plug located behind the parking brake pedal. With the Dodge wiring adapter, part # 3020-P you should be able to easily complete your installation. Behind the emergency brake pedal, look for a small white box mounted on the firewall. The connector is typically located just above this box.
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  • Which Harness is for Installing Brake Controller in a 2014 Ram 1500
    I put an arrow on the picture you sent in that shows which of the connectors the # 3020-P needs to connect to.
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    Image 1 for Image 2 for
  • Brake Controller Install Harness Recommendation for 2001 Dodge Ram 1500
    The install harness you need for a Tekonsha brake controller designed to fit your 2001 Dodge Ram is the part # 3020-P which will plug into the port under your dash.
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  • What is the Correct Brake Controller Wiring Harness to Fit a 2001 Dodge Ram 1500
    The Brake Controller Wiring Harness # 3020-P is the only confirmed harness to fit your 2001 Dodge Ram 1500 truck. The plug that you need to connect to the trucks wiring is located up under the dash by the emergency brake. The plug is usually a blue in color. I have attached a photo of what this plug will look like under your dash. The picture of the plug that you sent use is of the OBD-II diagnostics port. This is the connection port where a automotive tech or the owner can connect a diagnostics...
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    Image 1 for Image 2 for
  • Location of Electric Trailer Brake Controller Connector on a 2005 Dodge Ram 1500
    Take a look at the picture I've attached for you. You'll see the connector there. It might not be this easy to find because sometimes it's tucked behind or connected to something up under the dashboard. The connector will be there as long as your 2005 Dodge Ram 1500 came equipped with a factory 4-way or 7-way trailer connector. The adapter to plug into the connector is # 3020-P. I've also linked the install video.
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  • How to Source Longer Cable for Redarc Tow-Pro Elite Trailer Brake Controller # 331-EBRH-ACCV2
    Redarc Tow-Pro Elite Trailer Brake Controller # 331-EBRH-ACCV2 includes a 3-foot wiring harness to connect between the control knob and the main controller box. This cable is a standard RJ45 network cable and you can locally source a longer one if you like but Redarc recommends adding a ferrite bead on the end of the cable near the control unit to prevent radio interference (RFI) if a longer cable is used.
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  • Location of the Brake Controller Port on a 2008 Dodge Ram
    The connector you have attached a photo of is not used for the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 3020-P. The correct one for you will be blue with a rectualgar base (see photo). You will need to keep searching until you find it. It may be taped to other wires in the harness as well. Please note that adapter port will only be present on your 2008 Dodge Ram if it came with a factory trailer connector. If the vehicle did not come with either a 4 or 7-way...
    view full answer...
    Image 1 for
  • Help Finding Brake Controller Install Harness in 2008 Dodge Ram 1500
    Sometimes the brake controller install harness is difficult to find in the 2008 Dodge Ram like what you have but since you have the factory trailer wiring it is there. You just might have to dig around for it a bit more. I attached a picture of what the connector looks like as well as an install video for you to check out as well.
    view full answer...
    Image 1 for
  • Installing The Tekonsha Plug-In Wire Harness For Electric Brake Contollers On 2000 Dodge Truck
    For your 2000 Dodge, you shouldn't have to get a plug loose from the white junction box. You will be looking for the blue plug that is either connected near the top or is dangling near it. If it is connected to the top, you may have to loosen the junction box mount to connect the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Dodge, # 3020-P, but you shouldn't have to remove it from the junction box if it is connected. I've attached two videos to show the possible options...
    view full answer...

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