GMC Terrain II (2017-2021) (w/ onstar vehicle communication system) wiring diagram
This page shows the only wiring diagram for the component.(w/ onstar vehicle communication system), which is found in the car GMC Terrain II (2017-2021). This component is only found in one wiring diagram on your vehicle, and you can see its details here. If necessary, you can also go to other diagrams for this system for more information..
(w/ onstar vehicle communication system) wiring diagram (1 of 1)
1.5L TURBO, 2.0L TURBO 1.6L TURBO DIESEL
5 VOLT REF
A/C PRESS
AMBIENT LIGHT/SUNLOAD SENSOR
ANTI-THEFT SYSTEM
BATT POS
BATT POS VOLT
BLK WIRE
BLK/BLU WIRE
BLK/GRN WIRE
BLK/WHT WIRE
BLK/YEL WIRE
BLU WIRE
BLU/BLK WIRE
BLU/GRY WIRE
BLU/WHT WIRE
BRN/RED WIRE
CLUTCH RLY CTRL
COMPUTER DATA LINES SYSTEM
COOLANT TEMP
COOLING FAN
COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD)
CTRL RLY SIG
DATA (-) (3)
ENG COOLANT
ENGINE CONTROLS SYSTEM
FUSE SPLY 1
GMLAN SERIAL
GRN WIRE
GRN/PPL WIRE
GRY WIRE
HEADLIGHTS SYSTEM
HTR RLY CTRL
J110 (1.5L TURBO, 2.0L TURBO)
LOGIC
LOW REF 2
MAIN RLY
PPL/BLU WIRE
RADIATOR COOLANT TEMPERATURE SENSOR
RED/BLU WIRE
RED/WHT WIRE
SENS 2 LO REF
SENS LO REF
SENS SIG
SPD SIG
TEMP SENS SIG
UNDERHOOD FUSE BLOCK
VOLT
WHT WIRE
WHT/BLK WIRE
WHT/BLU WIRE
WHT/GRY WIRE
Go to component -> Automatic a/c circuit (3 of 4) -> (W/ ONSTAR VEHICLE COMMUNICATION SYSTEM)
