Trailer tow circuit for GMC Terrain I (2009-2015)
Trailer tow circuit
BLK WIRE
BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH)
BRN WIRE
COMPUTER DATA LINES SYSTEM
DK BLU WIRE
DK GRN WIRE
FUSE
GM LAN SERIAL DATA
HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT)
LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY
LH SIG LP CTRL
ORG/ WIRE
PARK LAMPS RELAY
RH SIG LP CTRL LP SPLY VOLT
RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY
TRAILER CONNECTOR (UNDER CENTER OF REAR BUMPER)
WHT WIRE
YEL WIRE
