Chevrolet Silverado 2007 Owner's Manual page 476

TRAILER GAIN – This setting is displayed
anytime the Trailer Brake Display Page is active.
This setting can be adjusted from 0.0 to 10.0
with either a trailer connected or disconnected. To
adjust the Trailer Gain, press one of the Trailer
Gain adjustment buttons located on the Trailer
Brake Control Panel. Press and hold a gain button
to cause the Trailer Gain to continuously adjust.
To turn the output to the trailer off, adjust the
Trailer Gain setting to 0.0 (zero).
0.0 (zero) gain is the factory default setting. To
properly adjust trailer gain, see the Trailer
Gain Adjustment Procedure later in this section.
TRAILER OUTPUT – This is displayed any time a
trailer with electric brakes is connected. Output to
the electric brakes is based on the amount of
vehicle braking present and relative to the Trailer
Gain setting. Output is displayed from 0 to 10 bars
for each gain setting.
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The Trailer Output will indicate "- - - - - -" on the
Trailer Brake Display Page whenever the following
occur:
•
No trailer is connected.
•
A trailer without electric brakes is connected
(no DIC message is displayed).
•
A trailer with electric brakes has become
disconnected (a CHECK TRAILER WIRING
message will also be displayed on the DIC).
•
There is a fault present in the wiring to
the electric trailer brakes (a CHECK TRAILER
WIRING message will also be displayed on
the DIC).
•
There is a fault in the ITBC system (a
SERVICE TRAILER BRAKE SYSTEM
message will also be displayed in the DIC).