Brake Controller Installation on a 2007 Ford Expedition with Factory 4-Way Wiring Harness
Question:
I got a 7 way conversion kit recently from you guys. I have fitted the connections for the brake assist blue wire and grounded the plug. I was told that the 12 v supply was in the loom along with the brake control cable. Not true! - I have opened the loom at several places right up to the back axle area, definitely no cables apart from the brake control and the wires from the original 4 way plug. Could you let me see a photograph showing the location of the power wire please? I am at a loss as to where it could be! Help!
asked by: Hugh
Helpful Expert Reply:
In order to install a brake controller on your 2007 Ford Expedition you will want to use the Adapter 4-Pole to 7-Pole and 4-Pole part # 37185 as this will give you both 4 and 7 way connection points on the rear of your vehicle. The rest of the wires needed to install a brake controller should already be present.
When you do decide to purchase a brake controller, I recommend using the Tekonsha Prodigy P2 Trailer Brake Controller part # 90885 as this is one of our most popular and best selling brake controllers. The controller comes with integrated safeguard to protect your vehicle/trailer and is very easy to setup and use. In order to plug this controller into the vehicle you will want to use the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 3035-P.
I have attached an installation video of the 4 to 7-way wiring harness installed on a similar 2010 Ford Explorer for reference.
Products Referenced in This Question
Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Ford, Lincoln, Mercury
- Accessories and Parts
- Trailer Brake Controller
- Wiring Adapter
- Plugs into Brake Controller
- Vehicle Specific
- Tekonsha
more information >
Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Under-Dash Box
- Dash Mount
- Up to 4 Axles
- LED Display
- Up to 360 Degrees
- Tekonsha
more information >
Product Page this Question was Asked From
Adapter 4-Pole to 7-Pole and 4-Pole
- Trailer Wiring
- Wiring Adapters
- Multi-Function Adapter
- 4 Flat
- Plug and Lead
- 4 Flat
- 7 Round - Blade
- Hopkins
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Shop: Trailer Hitch
- Shop: Trailer Wiring
- Shop: Brake Controller
- Shop: Curt Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4"
- Search Results: 480~12 trailer tires and wheels
- Shop: Curt Trailer Hitch Receiver - Custom Fit - Class III - 2"
- Video: Beginner’s Guide to Installing the Curt Trailer Hitch Receiver on a 2016 Ram ProMaster 2500
- Shop: Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Shop: Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - 2" Ball - 8,000 lbs
- Shop: BulletProof Hitches 2-Ball Mount for 2" Hitch - 8-1/4" Drop, 8-3/4" Rise - 14,000 lbs
- Shop: Trailer Coupler - Adjustable Channel Mount - Squeeze Latch - Black - 2-5/16" Ball - 15,000 lbs
- Shop: etrailer Trailer Hitch Receiver - Custom Fit - Matte Black Finish - Class III - 2"
- Video: How to Set Up Your etrailer Trailer Hitch Receiver on a 2023 Kia Sorento
- Video: Beginner’s Guide to Installing the etrailer Trailer Hitch Receiver on a 2019 Toyota RAV4
- Search Results: battery terminal
- Search Results: lp11cb
- Search Results: jp02~010
- Search Results: jack foot
- Search Results: 2 inch ball coupler
- Search Results: 5214
- Video: Curt T-Connector Vehicle Wiring Harness Installation - 2023 Kia Sportage
- Q&A: Installing Brake Controller And Wiring On 2001 Ford Explorer Sport Trac
- Video: B and W Turnoverball Gooseneck Trailer Hitch Installation - 2019 Ford F-250 Super Duty
- Shop: Gooseneck Hitch
- Shop: Towing Mirrors
- Q&A: Does Cipa Custom Fit Towing Mirror # 11602 Include Soft Material to Protect 2000 Ford F-150 Mirrors
- Video: How to Set Up Your Adapter 4-Pole to 7-Pole and 4-Pole on a 2010 Ford Explorer
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Video: Redarc Tow-Pro Trailer Brake Controller Plug-and-Play Wiring Harness Review
- Article: Brake Controller Installation for 2007 (New Body Style) - 2013 GMC Sierra and Chevy Silverado
Hugh
1/29/2018
I got a 7 way conversion kit recently from you guys. I have fitted the connections for the brake assist blue wire and grounded the plug. I was told that the 12 v supply was in the loom along with the brake control cable. Not true! - I have opened the loom at several places right up to the back axle area, definitely no cables apart from the brake control and the wires from the original 4 way plug. Could you let me see a photograph showing the location of the power wire please? I am at a loss as to where it could be! Help!