Trailer Wiring Harness - Chevrolet 2001 Blazer Owner's Manual

Trailer Wiring Harness

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The light duty trailer wiring is a six
assembly. The optional heavy
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eight wire harness assembly. The harnesses are stored
under the vehicle, along the passenger
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crossmember on two door vehicles or on the driver's
side corner frame rear crossmember on four
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vehicles. The heavy duty trailer wiring is fused in the
engine compartment fuse block. See "Fuses and Circuit
Breakers" in the Index. Both harnesses have no
connector and should be wired by a qualified
electrical technician. The technician can use the
following color code chart when connecting the
wiring harness to your trailer.
4-58
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wire harness
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duty trailer wiring is an
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side frame
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door
D
Dark Blue: Use for electric trailer brakes or auxiliary
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wiring (eight wire harness only).
D
Red: Use for battery charging; it connects to the
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starter solenoid (eight
D
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Light Green: Back up lamps.
D
Brown: Taillamps and parking lamps.
D
Yellow: Left stoplamp and turn signal.
D
Dark Green: Right stoplamp and turn signal.
D
White: Ground wire.
D
Light Blue: Auxiliary stoplamp.
Securely attach the harness to the trailer, then tape or
strap it to your vehicle's frame rail. Be sure you leave it
loose enough so the wiring doesn't bend or break,
but not so loose that it drags on the ground. Store the
harness in its original place. Wrap the harness together
and tie it neatly so it won't be damaged.
wire harness only).