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Old 11-25-2006, 05:30 PM
mountainbiker mountainbiker is offline
Hummer Professional
 
Join Date: Aug 2006
Posts: 297
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Default Re: Back up light wire

Page 4-69 of the Owner's Manual has some info:

The trailer towing harness contains the following seven 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
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