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GMC 2001 Yukon XL - Page 266

GMC 2001 Yukon XL
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4-63
Heavy-Duty Trailer Wiring Package (If Equipped)
Your vehicle is equipped with the seven-wire trailer
towing harness. This harness with a seven
-pin universal
heavy
-duty trailer connector that is attached to a bracket
on the hitch platform (if equipped).
The seven
-wire harness contains the following
trailer circuits:
D
Yellow: Left Stop/Turn Signal
D
Dark Green: Right Stop/Turn Signal
D
Brown: Taillamps
D
White: Ground
D
Light Green: Back
-up Lamps
D
Red: Battery Feed
D
Dark Blue: Trailer Brake
A jumper harness for an electric trailer brake controller
and a trailer battery feed fuse are included with this
trailering package. (See “Instrument Panel Jumper
Wiring Harness” later in this section.)
If you need to tow a light
-duty trailer with a standard
four
-way round pin connector, an adapter connector
is available from your dealer.

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