yellow
blue
4-65
Trailer Wiring Harness
Your vehicle is equipped with one of the following
wiring harnesses for towing a trailer or hauling a
slide
-
in camper.
Basic Trailer Wiring Package
All regular and extended cab gasoline engine pickups
have a six
-
wire trailer towing harness.
The six
-
wire harness is located at the rear of the vehicle
and is tied to the vehicle’s frame. The harness requires
the installation of a trailer
-
wiring harness connector,
which is available through your dealer.
The six
-
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 Light Blue: Center High
-
Mounted
Stoplamp (CHMSL)
If you need to upgrade your vehicle to heavy
-
duty
trailering, a brake controller harness and an underbody
harness with a seven
-
pin universal heavy
-
duty trailer
connector are available from your dealer.
Summary of Contents for Sierra 1999
Page 138: ...yellowblue 2 66 Instrument Panel...
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Page 405: ...yellowblue 7 29 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED...
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