Trailer Towing Relay: Service and Repair

Trailer Brake Control Relay Replacement (1500)

Removal Procedure

1. Turn the ignition switch to the OFF position.

Note: Do not remove the spare tire and wheel hoist.

2. Remove the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement (Service and Repair).




3. Disconnect the trailer brake control relay electrical connector.

Note: It is not necessary to completely remove the bolts.

4. Loosen, but do not remove, the trailer brake control relay bolts (1).




5. Slide the trailer brake control relay (1) toward the center of the vehicle and remove the trailer brake control relay.

Installation Procedure




1. If installing a new trailer brake control relay, hand start the 2 trailer brake control relay bolts.
2. Position the trailer brake control relay to the frame bracket.
3. Slide the trailer brake control relay (1) toward the left frame rail.





Caution: Refer to Fastener Caution (Fastener Caution).

4. Tighten the trailer brake control relay bolts (1) to 6 Nm (53 lb in).
5. Connect the trailer brake control relay electrical connector.
6. Install the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement (Service and Repair).