Owner's manual

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
Electric
Heavy
Electric
Light
EOH
Heavy
EOH
Type of
Trailer
Brakes
Electric
Trailer
Brakes
Electric
Trailer
Brakes
Electric
over
Hy-
draulic
Trailer
Brakes
Electric
over Hy-
draulic
Trailer
Brakes
Load *Under
10,000 lbs
*Above
10,000 lbs
*Under
10,000 lbs
*Above
10,000lbs
* The suggested selection depends and may change
depending on the customer preferences for braking per-
formance. Condition of the trailer brakes, driving and
road state may also affect the selection.
EVIC Display Messages
The trailer brake control interacts with the Electronic
Vehicle Information Center (EVIC). Display messages,
along with a single chime, will be displayed when a
malfunction is determined in the trailer connection,
trailer brake control, or on the trailer. Refer to “Electronic
Vehicle Information Center” in “Understanding Your
Instrument Panel” for further information.
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