2008 Chevrolet Avalanche Seven-Wire Trailer Towing Harness. The Avalanche is equipped with the seven-wire trailer towing harness. This harness with a seven-pin universal heavy-duty trailer connector is attached to the rear bumper beam. It is located next to the integrated trailer hitch.

Chevrolet Avalanche Seven-Wire Trailer Towing Harness

The seven-wire harness contains the following trailer circuits:
• Yellow: Left Stop/Turn Signal
• Dark Green: Right Stop/Turn Signal
• Brown: Taillamps
• White: Ground
• Light Green: Back-up Lamps
• Red: Battery Feed #
• Dark Blue: Trailer Brake #

# The fuses for these circuits are installed in the underhood electrical center, but the wires are not connected. These circuits should be connected by your dealer/retailer or a qualified service technician.



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