RAM 2500 2021 Owner's Manual page 247

Type of Trailer Brakes
Load
* 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.
Display Messages
The trailer brake control interacts with the
instrument cluster display. 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 Ú page 111.
WARNING!
Connecting a trailer that is not compatible
with the ITBM system may result in reduced
or complete loss of trailer braking. There may
be a increase in stopping distance or trailer
instability which could result in personal
injury.
Light Electric
Electric Trailer Brakes Electric Trailer Brakes
*Under 10,000 lb *Above 10,000 lb
Connecting a trailer that is not compatible
with the ITBM system may result in reduced
or complete loss of trailer braking. There may
be a increase in stopping distance or trailer
instability which could result in damage to
your vehicle, trailer, or other property.
NOTE:
An aftermarket controller may be available

for use with trailers with air or Elec-
tric-Over-Hydraulic trailer brake systems. To
determine the type of brakes on your trailer
and the availability of controllers, check with
your trailer manufacturer or dealer.
Heavy Electric
Electric Over Hydraulic
Trailer Brakes
*Under 10,000 lb
CAUTION!
STARTING AND OPERATING
Light EOH Heavy EOH
Electric Over Hydraulic
Trailer Brakes
*Above 10,000 lb
Removal of the ITBM will cause errors and it

may cause damage to the electrical system
and electronic modules of the vehicle. See an
authorized dealer if an aftermarket module is
to be installed.
Towing Requirements — Trailer Lights And
Wiring
Whenever you pull a trailer, regardless of the
trailer size, stoplights and turn signals on the
trailer are required for motoring safety.
The Trailer Tow Package may include a four- and
seven-pin wiring harness. Use a factory
approved trailer harness and connector.
NOTE:
Do not cut or splice wiring into the vehicle's
wiring harness.
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