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

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

Item # 3025-P

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Tekonsha Wire Replacement for GM Vehicles 1999 - 2002
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  • 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 vehicle's dash. Call 800-298-8924 to order Tekonsha accessories and parts part number 3025-P or order online at etrailer.com. Free expert support on all Tekonsha products. Guaranteed Lowest Price and Fastest Shipping for Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM. Accessories and Parts reviews from real customers.


  • All Info
  • Reviews (278)
  • Q & A (176)
  • Videos (4)
  • Photos
  • Why etrailer?

Tekonsha Accessories and Parts - 3025-P

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.


Features:

  • Adapter is wired for GM trucks and SUVs from 1999 to 2002
  • Wiring adapter eases installation of your electric brake controller
  • Custom connector end plugs into the electric junction box 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

Junction BoxBrake-Control Adapter Port

This adapter plugs into the port that is built into the electric junction box beneath your vehicle's dash. The black box is located to the left of the steering column, just above the carpet. To plug in the adapter, first remove the cover on the box. The adapter plugs into the second slot from the left, on the top row.


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.



3025-P Tekonsha Brake Control Wiring Adapter with 2 Plugs



3025-P Installation InstructionsInstallation Details 3025-P Installation instructions

This Product Fits The Following Vehicles

2002 - 2002 Chevrolet Avalanche with factory 7-Way

2002 - 2002 Cadillac Escalade with factory 7-Way

2002 - 2002 Cadillac Escalade EXT with factory 7-Way

1999 - 2002 GMC Sierra with factory 7-Way

1999 - 2002 Chevrolet Silverado with factory 7-Way

2000 - 2002 Chevrolet Suburban with factory 7-Way

2001 - 2002 Chevrolet Tahoe with factory 7-Way

2000 - 2002 GMC Yukon with factory 7-Way

2000 - 2002 GMC Yukon XL with factory 7-Way

2000 - 2000 Chevrolet Tahoe with factory 7-Way - excluding Limited or Z71

2002 - 2002 Chevrolet Avalanche without factory trailer connector

2002 - 2002 Cadillac Escalade without factory trailer connector

2002 - 2002 Cadillac Escalade EXT without factory trailer connector

1999 - 2002 GMC Sierra without factory trailer connector

1999 - 2002 Chevrolet Silverado without factory trailer connector

2000 - 2002 Chevrolet Suburban without factory trailer connector

2001 - 2002 Chevrolet Tahoe without factory trailer connector

2000 - 2002 GMC Yukon without factory trailer connector

2000 - 2002 GMC Yukon XL without factory trailer connector

2000 - 2000 Chevrolet Tahoe without factory trailer connector - excluding Limited or Z71



Video of Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Tekonsha Brake Controller 3025-P Review

Today we're going to review part number 3025-P, this is the Tekonsha plug-in wiring adapter for Draw-Tight and Tekonsha electric brake controllers. Now this part number is a custom fit part number, it is designed to fit the Cadillac, Chevrolet and GMC vehicles starting in 1999, it does fit a wide range of vehicles so what I would recommend is to go to our website, use our fit guide, put in your year and model of vehicle, and it'll tell you it this part will work for your application. Now this wiring adapter will ease the installation of your electric brake controller. One on end, right here, you can see it's a custom connector. This is designed to plug into your factory brake controller connector that's usually beneath the dash of your vehicle. The other end right here, this will plug into the back of your electric brake controller. This wiring adapter is compatible with time-delay brake controllers by Draw-Tite, and it's compatible with proportional brake controllers by Tekonsha, like the Prodigy, Prodigy P2, Prodigy P3, Primus IQ and the Voyager. Basically the way this would install, here's an example I have a Prodigy P3 right here. You can see the very back has the plug-in, so just take your plug-in, push it in, you can see it snaps and locks into place, and then your other end has the custom connector on it.

This you would just locate your factory brake controller port on your vehicle, it's usually under the dash, plug it in, and then you're all ready to go. And then when you just want to remove your break controller, just lift up on your bracket, and then you pull it out. And then it's easily removed. That should do it, for review on part number 3025-P, the Tekonsha plug-in wiring adapter, for Draw-Tite and Tekonsha electric brake controllers. .


Customer Reviews

Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM - 3025-P

Average Customer Rating:  4.9 out of 5 stars   (278 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.

- 3025-P

by:

1999 Chevrolet Suburban


etrailer's instructions and videos are awesome. installation was a breeze UNTIL I needed to locate the brake signal wire (cold side of brake switch) on my 1999 suburban. What a pain. the switch is not very accessible let alone there are a ton of white wires under the dash --along with an alarm. Long story short, I found this in a GMC forum and it saved me big time: "Under the dash, next to the emergency brake is a black convenience box. At the bottom of the box is the letters GRN, next to that is the letters NAT with a small recessed box with two male spade connectors. The spade on the right goes to the brake switch. The wire from the brake controller is terminated there." Using the supplied probe tester I was able to verify this and finished up my installation. The Tekonsha Prodigy P3 controller works great. 112192


Comments

The Tekonsha Prodigy P3 controller is still working great. I cant believe i didnt get one sooner. Easy to adjust on the fly and no issues at all.

Sean L - 01/07/2015

8449

- 3025-P

by:

2010 Chevrolet Suburban


Bought a new Primus IQ brake controller but it only came with a pigtail wiring that had to be spliced into my '01 Suburban. Ordered the direct fit wiring pigtail from etrailer.com and couldn't be more pleased! It literally took me less than 10 minutes to plug in the wiring and mount the brake controller. Excellent customer service and very fast shipping! The kind of shopping experience that causes repeat business. Thank you etrailer.com and customer rep Lexus for making everything so simple! 203301


Comments

Excellent. No problems at all!

Guy M - 06/13/2016

18555

- 3025-P

by:


Thank you so much Cristy for the exceptional guidance and friendly help while choosing the correct brake controller for my boyfriend's truck.....thanks for all the correct and helpful information everything went smoothly.....seamless....unusual this day and age.....Delivery was very prompt and product certainly lived up to all the reviews I had read before calling e Trailer......I would, without hesitation recommend this company for any mechanical needs......appreciate the follow up too...... 62269


Comments

Fantastic track record....absolutely no problems with the brake controller.....extremely happy with its performance and I stand by my original comments....thank you for contacting me once again and checking our satisfaction with the purchase.....refreshing to have someone contact us one year from date of purchase.....my appreciation for your concern and I will definitely call if we have further needs...Happy July 4Th

Sherry R - 07/01/2014

5244

- 3025-P

by:

2002 Chevrolet Silverado


The hitch and controller was installed on a 2002 Chevy 2500HD. It took roughly 15 min to install the Tekonsha P3 Brake Controller, plug it in and program it. As far as the B&W Turnover Ball Hitch, I cut the hole in the bed and cut the heat shield out the day before while I was waiting for the hitch to arrive. The next day my parts arrived, I laid out all the parts to make sure everything was there and then started the install. I didn't want to cut the 1"x1/2" notch out of my fender well to get the angle iron in so I spent about 15 min. trying to get it up on top the frame from underneath the truck. A waste of time. Do like the instructions say, cut the notch and slide it straight across the top of the frame. It will save time and aggravation. After getting both braces in place I ran a piece of rope down thru the hole and pulled the hitch plate up into place and tied it off. I installed all the bolts finger tight, put the side plates on and tightened everything up. It looks nice and I saved myself a $435.00 installation fee. With out a lift and without taking my rear tires off it took about 3 1/2 hrs. to install by myself. The only thing I want to say to B&W is don't place the heavy metal hitch parts on the booklet with the packets of Lithium Grease in it, they bust as the picture shows. Last but not least, thank you Sherry for all your help with my order and getting it to me quick in such short notice. I really appreciated it. 353453


Comments

Great, and no problems

Paul O - 03/16/2018

35983

- 3025-P

by:

2001 GMC Sierra


this part was a perfect fit!!!! 573103



- 3025-P

by:

2000 Chevrolet Silverado


Great again. 572111



- 3025-P

by:


Plug and Play 558790



- 3025-P

by:

2001 GMC Sierra


Excellent product. 558055



- 3025-P

by:


well made easy to install 558073



- 3025-P

by:


Fast shipping well-made products 555594



- 3025-P

by:


Great company with prompt service! 552003



- 3025-P

by:

2002 Chevrolet Tahoe


Worked excellent. If you are so fortunate to have a vehicle that can use one of these it's definitely worth it. 551193



- 3025-P

by:

2001 GMC Sierra


Makes for super easy installation! 548481



- 3025-P

by:

2002 GMC Sierra


Makes installation a snap to wire up. Also makes it convenient you can use between other vehicles pretty much makes it a plug and play. I have 3 of them in our vehicles and there all the same set up. So if one did go down i can take one and swap it out with another one. Just need another mounting bracket and you can have 1 controller for 2 vehicles. 544434



- 3025-P

by:


great item 603899



- 3025-P

by:


easy to install 602245



- 3025-P

by:


Easygoing 601534



- 3025-P

by:


Great product. Good price. Good place to purchase from. 591058



- 3025-P

by:

2002 GMC Sierra


Hello I hooked it up and it will not power up, any suggestions? 588610


Comments

If your 2002 GMC Sierra does not have a factory towing connector you will need to finish the wiring for a 7-way plug at the rear of the vehicle. If you have a bundle of wires at the rear of the vehicle you will need part # PK11898
Pollak 7-Pole, RV-Style Trailer Connector Socket w/ Wiring Harness and Mounting Bracket
$30.95
. If you have a plug at the rear of the vehicle with a cap you will need part # 30955
Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors
$29.99
instead of the PK11898. If your 7-way plug is already wired in and you still do not have power you probably need to activate your towing package by connecting two power feeds to your fuse box. These two power feeds are located under the hood and they will need to be connected to two posts in front of the battery. The first power feed is located on the wiring harness that runs below the brake master cylinder and booster that will need to be connected the post on the battery. You can locate the next power feed in a wiring pigtail between the fuse box and the inner fender well on the drivers side that will need to be connected to the post on the battery. I have attached a video please skip the brake controller installation until you get to 3 minutes 45 seconds in the video.

-- Heather A - 12/05/2018

46424

- 3025-P

by:

2011 Chevrolet Silverado


Could not use on my 2011 Chevy 2500HD Silverado w/LML Duramax diesel engine and factory-installed Integrated Trailer Brake Control (ITBC) wiring. No matching plug (that I could find) 585996



- 3025-P

by:


Plugged right in and worked. 585845



- 3025-P

by:


Fast delivery, outstanding website, product matched vehicle specifications. I will be doing more business in the future. 585813



- 3025-P

by:

Chevrolet Suburban


1 year to the month, my Tekonsha controller has been flawless. got into a much heavier crosswind once that the Suburban could handle, and reached down to the controller and hit the Trailer Brakes..... worked like a charm, straightened us out immediately. I really like the variable power feature, I can change it depending on conditions as to how much trailer brake is needed for just creeping along..... my old controller was a "set it once" and that is it.... so the trailer always hit hard first. not this one, it is extremely good at sensing how much brake the trailer needs. 581279



- 3025-P

by:

GMC


I purchased the adapter cable for my Tekonsha P3 brake controller to be installed in my 2002 GMC Duramax truck. Watched some online videos on where to connect it and it installed in minutes. Plug and play. 580693



- 3025-P

by:

2001 Chevrolet Silverado


Money WELL spent. Makes the hook up easy 578633



- 3025-P

by:

2004 GMC Yukon


Product plugged right in and worked fin e. 511629



- 3025-P

by:


Great service, Came in on time. Staff is Extremely helpful. Will definitely purchase from ETRAILER again. 508622



- 3025-P

by:


So far so good. The last one I ordered fit perfectly so I'm trying again for a different vehicle. Same trailer brake controller and wiring harness. 498778



- 3025-P

by:

1999 Chevrolet Silverado


See review for the brake. :) This wiring kit makes it so you can install it with almost no eyes or hands. Yes I needed them both but it took all of 45 seconds to attach to the brake controller and then into my 1999 Chevy Silverado 2500 panel. Best product EVER! 498509



- 3025-P

by:

2000 Chevrolet Suburban


Fast shipping great products as usual. 498258



- 3025-P

by:

1999 GMC Sierra


Good product, works as advertised 496866



- 3025-P

by:


The perfect part that made installation easy to do myself. Thank you. Also the video you sent with installation instructions was such a great help. I appreciate it so much 496595



- 3025-P

by:

2006 Chevrolet Silverado


I have a 2006 Chevy Silverado 2500 hd and had to move a wire into a different location on the connector in order to make the brakes work. Moved the blue wire up to the top right location. 496388


Comments

The 3025-P is a fit for 1999-2002 Chevy Silverado/GMC Sierra. For a 2006 model, youll want to use the 3015-P. As you found, moving the brake output circuit wire will make the 3025-P work on your vehicle.

-- Mike L - 04/15/2018

37296

- 3025-P

by:

2001 GMC Yukon


Perfect fit to application. Made install of brake controller a 10 minute job. 492277



- 3025-P

by:

2004 Dodge Ram Pickup


work perfect exact fit for easy install 490628



- 3025-P

by:


Excellant service and a quality custom product make for a dependable solution. 485929



- 3025-P

by:

2000 Chevrolet C/K Series Pickup


I inadvertently ordered the plug and play brake controller harness and found my truck was not equipped with the right connection. I searched etrailer for information and a found a excellent step by step video to pig-tail to existing wiring. 483042



- 3025-P

by:

Chevrolet


Just as the chevy ordered, making my brake.controller plug and play 481519



- 3025-P

by:

2002 Chevrolet Silverado


The brake controller and it's custom harness plugged right into my 2002 silverado and worked perfect It took just a second to dial in the brake power level {voltage} and away we went. i'm one happy customer !! 474779



- 3025-P

by:


Installation was a breeze thanks to the wiring adapter that was fit exactly to my truck. This unit works great. It has settings for multiple trailers. There is no off button. It goes into a sleep mode after about 15 minutes. The drain on the battery is insignificant. I recommend disconnecting it though, if you are not driving your vehicle every day. As always, etrailer was super easy to deal with. I ordered this at about 7PM CST and it was ready for shipment that night. They are my go-to company for anything I need for my boat trailer and RV. 474167



- 3025-P

by:


Exactly what I ordered, packaged well and a great price. I will install this week. 468436


Comments

They are still working fine

Paul - 01/21/2019

48746

- 3025-P

by:


It worked great with out any problems Thank again. 467634



- 3025-P

by:


Everything. Is very good quality. etrailer. Will always be there for you. Katrina B. Is a great sales rep. An she will go out of here way to be sure you get the right product. An all the staff will treat you the same . 466755



- 3025-P

by:


I always get exactly what I ordered. Quality products at a very reasonable price. I will be back as I get to the next phase of my project. 465248


Comments

work perfectly

James L - 01/06/2019

48282

- 3025-P

by:


Easy to install works as advertised! Great value for the money 461891



- 3025-P

by:


Customer service was excellent!! Product was received in an extremely timely manner. Would definitely use this company again. 460311



- 3025-P

by:

2002 Chevrolet Silverado 2500


Plugged into my 02 GMC 2500 HD and has worked perfectly .. thanks for the help in choosing the correct plug for my truck 453459



- 3025-P

by:


I cannot find where to plug this in 453442



- 3025-P

by:


I like this controller, and the installation was pretty straight forward. I purchased it because the larger trailer I bought had brakes, but I have since only needed to use it twice, so I haven’t had enough experience with it to give an excellent rating. I had no issues when it was used. 451424



- 3025-P

by:


Came quick-easy transaction and customer service 444673


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  • Installing a Brake Controller on a 2000 Chevy Silverado
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  • Trailer Brake Controller Wiring Harness for a 2003 Chevy Silverado
  • It sounds as if you might have the wrong wiring adapter. The wiring adapter for the 2002 and 2003 Silverado will fit either vehicle, but the order in which the pins are wired is different. Therefore if you have the incorrect one, it will still plug in, but will not work correctly. For the 2003, you would need part # 3015-P, not the 3025-P which is for the 2002. This can easily be verified by using a circuit tester like part # 40376 on the red wire exiting the rear of the controller....
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  • Brake Controller Recommendations for a 2003 GMC Sierra
  • Yes, you will need a brake controller to operate your trailer brakes. For your 2003 GMC Sierra, our most popular brake controller is the Tekonsha Prodigy P2, part # 90885. You will also need the Brake Controller Wiring Adpater, part # 3015-P. One end of the Adapter plugs into the Prodigy, the other end plugs into the installation port located on the firewall behind the emergency brake pedal. For your convenience, I will provide a link to our GM Truck Brake Controller Install Guide. This...
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  • Availability of Brake Controller Adapter for 1997 Chevy Silverado
  • GM did not start equipping their trucks with the under-dash brake controller connector until the 1999 model year. That being said, you can still wire your pickup for a brake controller. If your pickup has no trailer connector at the rear bumper, you can get a T-one wiring harness, part 118315. That will give you the 4-pole plug. You will also need the ETBC7, which is a kit that gives you 7-pole plug and has wiring which is run to the front of your vehicle for the brake controller. We...
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Info for this part was:

Photos by:
Jackie C
Expert Research:
Michael L
Written by:
Lindsey S
Expert Research:
Robert G
Expert Research:
Patrick B
Expert Research:
Michael H
Expert Research:
Jameson C
Video Edited:
Joshua S
Expert Research:
Adam R
Updated by:
Laura H
Test Fit:
Shane T
Video by:
Alan C

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