How to Install a Brake Controller in a 1992 Ford F150 and a 2002 Ford F-350

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Question:

Gentlemen: I have a new Tekonsha P3 that will be installed in two vehicles. 1st vehicle is a 2002 Ford F-350 and Tekonsha mfg.s a plug and play pigtail for that application. 2nd vehicle is a 1992 F-150 which Tekonsha does not make a pigtail that will plug into my factory trailer towing wiring connector. However, Curt does make one so I simply have to splice and solder some wires together. However, the Tekonsha color code does not quite match up on all terminals from Ford. so I need to verify the schematic to insure my wiring is as neat as possible and which wires to relocate within the connector. As I understand it - please verify that the following Tekonsha wiring is correct. White - Ground this seems to be obvious Blue - trailer brakes another obvious one Red - Brake light switch Black - power

asked by: Bob G

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Expert Reply:

Actually the Curt wiring harness that you are referring to, part # C51515 is just a harness that gives the connector 4 blunt cut wires for to use for splicing into a vehicle. The Tekonsha controllers actually include those connectors with their controllers. You should have one in the box that came with your P3 # 90195.

To install the controller in your 1992 Ford F-150 you will need to hardwire the controller in. If you do not have a factory trailer wiring you will need to start with a 4-way (if you do not have one). For that you would want the # 118316.

From there you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well.

Brake controller wiring is as follows. Blue is brake output, black is 12 volt power, white is ground and red is stoplight circuit.

For the 2002 F350 all you would need is the # 3035-P harness. Check out the install video I attached for this harness to the right.

expert reply by: Jameson C

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Answer 1

The easy way to install a 4-way trailer wiring harness on your 1991 Ford F-150 is with the part #C55316 which will plug in line with your taillight wiring harness. Otherwise you'd have to use a circuit tester like part #PTW2993 to test the wires…

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Answer 2

The wires under the hood for power to the factory 7-Way and power for a brake controller under the dash are sometimes rather hard to see. The wire for the factory 7-Way power is located under the master cylinder and is taped to the wiring harness…

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Answer 3

For the 1992 Ford F-150 you will need a wiring kit to install the brake controller. What you would want is the Wiring Kit for 2 and 4 Brake Electric Brake Controllers #5506. This will provide the power source and ground for the wiring for the brake…

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Answer 4

What you will need to do is test the plugs you have found with a circuit tester like #PTW2993 if needed. You will be testing for the various lighting functions, brake controller output (if still installed) and a good ground. If all the signals are…

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Answer 5

The four wires and their functions are: White: Ground wire, connected to negative side of battery. Blue: Electric brake wire, ran to the brake output circuit of your 7-way with 10 gauge wire like #10-1-1 sold by the foot. Black: 12v power wire,…

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Answer 6

For a truck with as big of an engine as your 2001 Chevy Silverado with a 6.0 liter engine that is going to be towing a trailer you'd want to go with a fan setup that pulls more CFM than the #FLX116 which moves 2,215 CFM. That's basically the…

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Answer 7

The RedArc Tow-Pro Elite #RED44FR is comparable in reliability and performance to the Tekonsha Prodigy P3 #90195. The difference is really in the design and features. One of the greatest aspects of the P3 is the LCD screen and presets. One of the…

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How to Install a Brake Controller in a 1992 Ford F150 and a 2002 Ford F-350

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