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

Question:

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.

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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:
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Jameson C

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