Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
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:
For most applications, the factory plug is located beneath the dash, near the center console. If you have a Ford full-size van, the harness is underneath and to the left of the steering column. The Ford Explorer and Mercury Mountaineer have 6-pin connectors behind the glove box on the passenger's side.
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.
Video of Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Ford, Lincoln, Mercury
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Today on this 2011 Ford Expedition we are going to be installing the Prodigy P2 brake control kit, part number 90885-3035P. Starting off inside the cab of the Expedition, and the first thing we want to do is locate the brake control port that we are going to be plugging our wiring harness into. And this port is located on the driver side of the vehicle, just below the steering column is this grey open ended plug right here. So with the port located, we can go ahead and take our wiring harness. Go ahead and plug it in. With the harness plugged in, we will want to next determine where we want to mount our brake controller. We want to mount it in a position where it can be easily accessed by the hand of the driver but also does not interfere with normal driving conditions. On this particular vehicle, over here on the right side of the steering wheel, if I follow below right about even with where our port is, the underside of the dash here has a small lip. I believe it is just wide enough for us to actually us as a mounting point. And I am going to be using the more traditional bracket that comes with the Prodigy P2 controller. We can mount it in position just like so. You do want to make sure when you are mounting the brake control bracket that it is mounted in a straight line with the braking of the vehicle. 1:31
With the mounting bracket up, we will go ahead and mount the P2 next. And then finally, we just need to take the other end of our wiring harness and plug it into the back side of our brake controller. And you can see instantly, we get an NC flashing on the screen which indicates that we do not currently have a trailer hooked up to the tow vehicle. And then it stops flashing and goes straight to two dots. And then you can see once we plug into our trailer, the brake controller goes to a C. And from there, once we hit our brake pedal we get our digital read out like we are looking for. And that is all there is to the installation. It might be a good idea to go ahead and tie up the loose wires we have here on the back side. But with that our installation will be complete. That will conclude the installation of the Prodigy P2 brake controller, part number 90885-3035P.
Customers Who Purchased This Accessories and Parts Also Bought...
Average Customer Rating: 



4.9 out of 5 stars (55 Customer Reviews)




by: jim11/17/2011
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really easy installation 27077




by: Michael R11/03/2011
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Installation was easy and all necessary parts were provided. Same day shipping on my items. I have definately found my new trailer parts supplier.26527




by: Dan10/12/2011
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Plugged right in. No problems. 25470




by: Tim Acton10/05/2011
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Bought this product because of the clear and detailed installation instructions you provide on your website. I would have not found where to connect the wiring harness so quickly on my own. Also, the items your customer service recommended I needed arrived quickly and fit exactly the way the instructions displayed! Thanks!25130




by: Bob L.09/21/2011
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I was very pleased with my transaction and the ease in which this product installed. Looking forward to many great weekends in my new trailer, Thanks etrailer!24330




by: Brian S.08/30/2011
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Easy installation 23215




by: Earl08/15/2011
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Ordered online. Product was delivered quickly. Simple and easy installation on our 2008 Land Rover LR3. Thank you!21950




by: Angie07/06/2011
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We ordered a harness cable for a brake controller for our truck. Etrailer had what we needed and shipped it right away. Outstanding communication before the shipment, during and after. Their prices are very resonable and shipping to Alaska was extrememly reasonable! After this wonderful experience, I would not seek out another trailer parts supplier! No need to look any further than Etrailer! Thanks for the wonderful customer service! 18609




by: Marcus O!06/02/2011
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Exact Fit! (2003 F150/Prodigy P2) Thank you, to your knowledgeable staff in assisting me with my purchases. Worked perfect, plug and play! 15947




by: Thomas Ess06/01/2011
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Very fast and excellent service. 15859




by: Gary I05/16/2011
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Made installation of my Tekonsha P-3 Brake Controller in my Ford F250 a snap. Took just a few minutes to install the cable & controller. 14432




by: Don D05/15/2011
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Made for my purpose, first one I bought several years ago I had to splice into a harness, Ford wiring code was not what I expected, this pre-made harness works; plug and play14064




by: Gary S05/03/2011
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These plug and play connectors are the best.... sure beats the old days of hard wiring !12741




by: Kevin S.04/22/2011
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This product worked fine in my 1999 Ford F-150 with factory installed tow package. Total install time was about 5 minutes. Great purchase.12193




by: Dave Wright04/04/2011
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Haven't installed wiring, however service and shipping were great11011




by: Mike S.03/02/2011
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Plug and Play best way to buy equipment for vehicals now a days.8228




by: JeepJohn02/27/2011
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extra long cable for multi moting needs. Plugs fit like OEM and remove eze and w/ out fight. No complaints here.7999




by: Regina S.01/25/2011
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Arrived in excellent shape and on time. Thanks again.6087




by: Webrep10/06/2010
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Amazing easy install This took me 10 minutes to install with the brake controler in my Ford F150 2009. I had the tow package so it was amazing fast install and totally operational in seconds.....great buy3498




by: Russell B.10/30/2011
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Great installation wiring harness for my 2008 Ford Explorer. My factory tap-in point is located above the parking brake, not behind the glove box. A "snap" to install (pun intended). The Prodigy P3 controller is great too. The digital readout and data screens show exactly what is being output to the trailer brakes and the override lever is easy to use when override is needed to set up initially, while driving, and after brake adjustment. The battery voltage monitor is great for a quick check on battery and alternator health.26353




by: Rick M.10/09/2011
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It's a cable but a good one. 25294




by: Rick M.10/09/2011
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I installed the controller several weeks ago and it took a total of 20 minutes only because I had to drill 2 holes. I did not put it under the dash but in an exiting opening in the dash I never use anyhow. Using the metal bracket it fits in the slot perfectly and is out of the way. I pulled my 5th wheel this past weekend and followed the setup instructions and it work perfect. I love it. Great product and realy good price.25293




by: Clay09/27/2011
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2008 F150 with trailer package. Two screws and plug in. Quick and no wiring to screw up. Thanks24694




by: Ed H09/16/2011
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WOW, this whole process is outstanding. Great designed web site, excellent videos. Shipped as ordered, easy to track shipping, delivered on time. Installation could not have been any easier. And it works wonderful. Thank you.24070




by: Ed H09/16/2011
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WOW, this whole process is outstanding. Great designed web site, excellent videos. Shipped as ordered, easy to track shipping, delivered on time. Installation could not have been any easier. And it works wonderful. Thank you.24068




by: Russ R09/01/2011
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made hook up fast and easy 23327




by: Robert Allen08/23/2011
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worked like a charm 22570




by: Chris S.07/14/2011
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Already had a brake controller, installed it in another vehicle. Simple harness hook up. I highly recommend etrailer.19437




by: Scott R06/20/2011
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Plug-n-Play. No cutting or hacking. Great solution to age old splicing mess.17405




by: Murphy J Allen05/16/2011
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Everything I have ordered from etrailer has been correct and delivered promtly. Excellant service. I reccomend them to others and will definitly be ordering again for myself.14313




by: Steve A05/12/2011
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Just what the doctor ordered. controller harness was of excellent quality and conencted without any problems. The length was sufficient to allow optimal routing under the dash to ensure the cable was out of the way. Thanks!13715




by: chris05/12/2011
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plugged right in and works fine 13642




by: David S05/11/2011
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I purchased the Tekonshe P3 brake controller and the wire replacement for my 2005 Ford F-150. The installation and set-up was a snap. I took it for a test run and it worked beautifully. Great product and ease of ordering from e-trailer. Thanks 13522




by: Larry M.05/10/2011
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easy to install and works very well 13203




by: Tim S03/30/2011
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The only way to go. Thank You10744




by: Chris C.03/29/2011
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I was stunned how simple this harness made the controller installation! It's well-made and literally plug n' play.10600




by: Flinthills Irrigation - Tommy03/14/2011
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Made it very easy, and fast. 9253




by: Henry02/21/2011
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Worked great, super easy install... 7607




by: Phillips,A02/10/2012
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Was a perfect match up, ended up cobining with the cord that came with the unit for a longer cord to install in abnormal spot in center arm rest box. 31413




by: Mike B.02/03/2012
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Install went great! Plug and play, once I located factory tow plug under the steering wheel on our Ford Flex. 30977




by: Hal M.02/03/2012
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Wow! Great service, and very short delivery time. This is the kind of people I like to deal with, and I will again.30933




by: Kasey02/01/2012
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Easy to install! 30828




by: ws5302/01/2012
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Excellent controller/wiring adapter for my F150XLT. Install took less than 10 minutes and was extremely easy and finished install looks like it was done at the factory.. 30766




by: kathy01/30/2012
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Great item thank you I would business with you guys again 30582




by: Brad F01/25/2012
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Too easy to install. Great quality. 30335




by: Maurice R.01/24/2012
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I needed electric brakes for my trailer. Etrailer had everything I needed making the process seamless. Brake, wires, controller, etc all arrived neatly packed within 3 business days. Etrailer is fantastic and I will be recommending your website to all my friends. Very easy to do business with.30254




by: Bil01/20/2012
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The controller came in just as ordered with the correct adapter cable to attach to my truck. The part was delivered on time and in good shape.29998




by: Mike H01/12/2012
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Fit like a glove, just plug in and go. thanks Mike H29572




by: Shane B01/10/2012
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Plugs directly from truck to electric controller. Super easy to install29467




by: Chris01/09/2012
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Quick shipping, good product. Would buy again29362




by: Eric W12/15/2011
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Perfect fit 28172




by: Al12/14/2011
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Easy install and set-up, works great. 28139




by: Abram12/13/2011
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No problems 28021




by: JJohn A12/06/2011
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Everything is great. I had a installation problem that your 800 call center helped out greatly. Thank you.27812




by: Susan B.12/04/2011
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I bought my husband a trailer brake box for Christmas. It was super easy to hook up. The shipping time was AMAZING!!!!!! We couldn't believe how fast it came!!! Thank you!27670
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