Trailer Wiring Harness; Maintenance When Trailer Towing - Chevrolet 2006 TrailBlazer EXT Owner's Manual

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When You Are Ready to Leave After
Parking on a Hill
1. Apply your regular brakes and hold the pedal down
while you:
start your engine,
shift into a gear, and
release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is clear of the chocks.
4. Stop and have someone pick up and store
the chocks.

Maintenance When Trailer Towing

Your vehicle will need service more often when you're
pulling a trailer. See the Maintenance Schedule for more
on this. Things that are especially important in trailer
operation are automatic transmission fluid (don't overfill),
engine oil, axle lubricant, belt(s), cooling system and
brake system. Each of these is covered in this manual,
and the Index will help you find them quickly. If you're
trailering, it's a good idea to review these sections
before you start your trip.
Check periodically to see that all hitch nuts and bolts
are tight.

Trailer Wiring Harness

Your vehicle has the seven-wire trailer towing harness.
This harness may have a seven-pin universal heavy-duty
trailer connector (if equipped with the trailering package)
that is attached to a bracket on the hitch platform.
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2006 trailblazer

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