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214
STARTING AND OPERATING
Trailer Brake Status Indicator Light
This light indicates the trailer electrical connection status.
If no electrical connection is detected after the ignition is
turned on, pushing the GAIN adjustment button or sliding
the manual brake control lever will display the GAIN
setting for 10 seconds and the Trailer Brake Disconnected
Warning Light will not be displayed.
If a fault is detected in the trailer wiring or the ITBM, the
Trailer Brake Disconnected Warning Light will flash.
GAIN Adjustment Buttons (+/-)
Pushing these buttons will adjust the brake control power
output to the trailer brakes in 0.5 increments. The GAIN
setting can be increased to a maximum of 10 or
decreased to a minimum of 0 (no trailer braking).
GAIN
The GAIN setting is used to set the trailer brake control for
the specific towing condition and should be changed as
towing conditions change. Changes to towing conditions
include trailer load, vehicle load, road conditions and
weather.
Type of Trailer Brakes
Electric Trailer Brakes
Load
*Under 10,000 lb (4,536 kg)
* The suggested selection depends and may change depending on the customer preferences for braking performance. Condition of the trailer brakes, driving and road state may also
affect the selection.
Adjusting GAIN
NOTE:
This should only be performed in a traffic free environment
at speeds of approximately 20–25 mph (30–40 km/h).
1.
Make sure the trailer brakes are in good working
condition, functioning normally and properly
adjusted. See your trailer dealer if necessary.
2.
Hook up the trailer and make the electrical
connections according to the trailer manufacturer's
instructions.
3.
When a trailer with electric/EOH brakes is plugged in,
the trailer connected message should appear in the
instrument cluster display (if the connection is not
recognized by the ITBM, braking functions will not be
available), the GAIN setting will illuminate and the
correct type of trailer must be selected from the
instrument cluster display options.
4.
Push the UP or DOWN button on the steering wheel
until "TRAILER TOW" appears on the screen.
Light Electric
Heavy Electric
Electric Trailer Brakes
*Above 10,000 lb (4,536 kg)
5.
Push the RIGHT arrow on the steering wheel to enter
"TRAILER TOW".
6.
Push the UP or DOWN buttons until the Trailer Brake
Type appears on the screen.
7.
Push the RIGHT arrow and then push the UP or DOWN
buttons until the proper Trailer Brake Type appears
on the screen.
8.
In a traffic-free environment, tow the trailer on a dry,
level surface at a speed of 20–25 mph (30–40 km/h)
and squeeze the manual brake control lever
completely.
9.
If the trailer wheels lockup (indicated by squealing
tires), reduce the GAIN setting; if the trailer wheels
turn freely, increase the GAIN setting.
Repeat steps 8 and 9 until the GAIN setting is at a point
just below trailer wheel lockup. If towing a heavier trailer,
trailer wheel lockup may not be attainable even with the
maximum GAIN setting of 10.
Light EOH
Electric Over Hydraulic
Electric Over Hydraulic
Trailer Brakes
Trailer Brakes
*Under 10,000 lb (4,536 kg)
*Above 10,000 lb (4,536 kg)
Heavy EOH
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