Where Do the 4 Wires of a Brake Controller Go for Installation in Vehicle


im going to hook up old way not threw wire harrness its mess up just need to know the red white blue black were go 1996 dodge ram.


Expert Reply:

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, connected to the vehicle positive battery terminal with a 40amp circuit breaker, part # 9510.
Red: Stoplight switch circuit. This will get run to the wire on your stoplight pedal assembly that sees voltage only when the brakes are applied. Use a circuit tester like # PTW2993 to determine this.

Check out the help article I attached as well.

expert reply by:
Jameson C

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