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Maintenance When Trailer Towing
The vehicle needs service more often when pulling a
trailer. See Scheduled Maintenance
on page 7‑3
or the Index for more information. Things that are
especially important in trailer operation are automatic
transmission fluid, engine oil, axle lubricant, belts,
cooling system and brake system. It is a good idea to
inspect these before and during the trip.
Check periodically to see that all hitch nuts and bolts
are tight.
Trailer Wiring Harness
The vehicle may be equipped with a four‐pin trailer
towing harness. This harness has a four‐pin trailer
connector that is attached to a bracket on the hitch
platform. The four‐wire harness contains the following
trailer circuits:
.
Yellow: Left Stop/Turn Signal
.
Green: Right Stop/Turn Signal
.
Brown: Taillamps/Park lamps
.
White: Ground
Trailer Recommendations
Subtract the hitch loads from the Cargo Weight Rating
(CWR). CWR is the maximum weight of the load the
vehicle can carry. It does not include the weight of the
people inside, but you can figure about 150 lbs. (68 kg)
for each passenger. The total cargo load must not be
more than the vehicles CWR.
Weigh the vehicle with the trailer attached, so the
GVWR or GAWR are not exceeded. If using a
weight-distributing hitch, weigh the vehicle without the
spring bars in place.
The best performance is obtained by correctly
spreading out the weight of the load and choosing the
correct hitch and trailer brakes.
For more information see Towing a Trailer
on
page 5‑46
.
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