RAM 1500 CLASSIC 2020 Owner's Manual page 204

202 STARTING AND OPERATING
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.
Refer to "Instrument Cluster Display" in "Getting To
Know Your Instrument Panel" for further
information.
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 lbs
(4,536 kgs)
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.
Removal of the ITBM will cause errors and it

may cause damage to the electrical system and
electronic modules of the vehicle. See an autho-
rized dealer if an aftermarket module is to be
installed.
Heavy Electric
Electric over Hydraulic Trailer
*Above 10,000 lbs *Under 10,000 lbs
(4,536 kgs)
CAUTION!
Light EOH Heavy EOH
Electric over Hydraulic Trailer
Brakes
*Above 10,000 lbs
(4,536 kgs) (4,536 kgs)
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.
The electrical connections are all complete to the
vehicle but you must mate the harness to a trailer
connector. Refer to the following illustrations.
NOTE:
Disconnect trailer wiring connector from the

vehicle before launching a boat (or any other
device plugged into vehicle's electrical connect)
into water.
Be sure to reconnect once clear from water

area.
Brakes