User Manual

problem in any of the trailers will activate
the T
railer ABS Warning Lamp.
If you change the intended service in any
way (e.g., number of axles, multiple
trailers, add switchable trailer accessories,
etc.) from the date the vehicle was
manufactured, you should contact your
trailer manufacturer and/or trailer antilock
brake manufacturer to determine if the
power available at the 7-way trailer light
line is adequate. Failure to do so might
result in insufficient power to the trailer
ABS system, which may affect its
operation.
CAUTION
The center pin of the 7-way trailer light
line may be constantly powered for
ABS. Make sure it will not accidentally
turn on trailer equipment.
with the option to turn on this lamp for
these types of trailers, then this lamp will
turn on when that trailer ABS has a system
problem. This should be checked by a
dealer as soon as possible. The T
railer
ABS Warning Lamp will not turn on for the
power-on test when connected to these
types of trailers.
NOTE
Very few trailers built before
03/01/2001
have this option. Trailers
built after 03/01/2001 are built with
PLC technology.
DRIVING - Antilock Brake Systems (ABS)
Special Trailer ABS Without PLC
(Option)
If a trailer does not have PLC, but it does
have ABS that is powered through an
optional second trailer connector (ISO
3731) and that trailer ABS is designed to
control the Trailer ABS Warning Lamp in
the cab and the vehicle has been ordered
Y53-6113-1A1 (11/20) 167
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