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Black plate (120,1)
Chevrolet Silverado Owner Manual - 2011
9-120 Driving and Operating
Manual Trailer Brake Apply
The Manual Trailer Brake Apply
Lever is located on the Trailer
Brake Control Panel and is used to
apply the trailer’s electric brakes
independent of the vehicle’s brakes.
This lever is used in the Trailer Gain
Adjustment Procedure to properly
adjust the power output to the trailer
brakes. Sliding the lever to the left
will apply only the trailer brakes.
The power output to the trailer is
indicated in the Trailer Brake
Display Page on the DIC. If the
vehicle’s service brakes are applied
while using the Manual Trailer Brake
Apply Lever, the trailer output power
will be the greater of the two.
The trailer's and the vehicle's brake
lamps will come on when either
vehicle braking or manual trailer
brakes are applied.
Trailer Gain Adjustment Procedure
Trailer Gain should be set for a
specific trailering condition and
must be adjusted any time vehicle
loading, trailer loading, or road
surface conditions change.
Setting the Trailer Gain properly is
needed for the best trailer stopping
performance. A trailer that is
over-gained may result in locked
trailer brakes. A trailer that is
under-gained may result in not
enough trailer braking. Both of
these conditions may result in
poorer stopping and stability of
the vehicle and trailer.
Use the following procedure to
correctly adjust Trailer Gain for
each towing condition:
1. Make sure the trailer brakes are
in proper working condition.
2. Connect a properly loaded
trailer to the vehicle and make
all necessary mechanical
and electrical connections.
See Vehicle Load Limits
on
page 9‑23
for more information.
3. After the electrical connection is
made to a trailer equipped with
electric brakes:
.
A TRAILER CONNECTED
message will be briefly
displayed on the DIC.
.
The Trailer Brake Display
Page will appear on the
DIC showing TRAILER
GAIN and TRAILER
OUTPUT.