Trailer Wiring Harness
Heavy-Duty Trailer Wiring Package
Your vehicle is equipped with the seven-wire trailer
towing harness. This harness with a seven-pin universal
heavy-duty trailer connector is attached to a bracket
on the hitch platform.
The Center High-Mounted Stoplamp (CHMSL) wire is
tied next to the trailer wiring harness for use with a
trailer.
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
**If you are charging a remote (non-vehicle) battery,
turn on the headlamps to boost the vehicle system
voltage and properly charge the battery.
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Summary of Contents for GMC Yukon Denali 2005
Page 5: ...These are some examples of symbols that may be found on the vehicle v...
Page 6: ...NOTES vi...
Page 35: ...Put someone on it Get it up to speed Then stop the vehicle The rider does not stop 1 29...
Page 141: ...NOTES 3 3...
Page 142: ...Instrument Panel Overview 3 4...
Page 410: ...5 110...