Wire color designation for electric trailer
brake controller jumper harness.
WIRE COLORNOTE
RED/GREEN Vehicle stop lamp
switch to trailer brake
controller.
BLACK Brake controller ground
(-).
BROWN/WHITE Trailer brake controller switched output.
BLUE Trailer brake controller
illumination.
RED Fused trailer brake con-
troller battery feed (B+).
4. Peel off the tape and connect the jumper harness to the connector
OB.
5. Release the parking brake.
6. Install the af termarket electric trailer brake controller according to the manu-
facturer's instructions.1Gain –
2Gain +
3Manual control lever
4Boost
Trailer brake controller unit (if so
equipped)
The Trailer Brake Controller Unit (TBCU), lo-
cated on the lower instrument panel, is a
device that assists the vehicle in having
effective and smooth braking while towing
a trailer.
LTI2228LTI2229LTI2157
Technical and consumer information10-47
