Instrument illumination circuit for GMC Terrain I (2009-2015)

22 7 13 PARK LAMPS SIG LOW REFERENCE 5-VOLT REFERENCE 9 1 8 DIMMER SW SIG BATT POSITIVE VOLT DIMMING CONTROL BCM 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIMMING CTRL DK BLU WIRE DK GRN WIRE DOME LAMP SWITCH FUEL ECONOMY MODE SWITCH FUEL ECONOMY MODE SWITCH (NOT USED) GMLAN SERIAL DATA HEAD HORN SWITCH HOT AT ALL TIMES HOT W/ ACCESSORY RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) INSTRUMENT STR PANEL WHL DM FUSE BLOCK FUSE (RIGHT CENTER OF DASH) INTERIOR LIFTGATE CONTROL SWITCH (W/ POWER LIFT BODY EQUIPMENT) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT BLU WIRE NCA WIRE OFF AUTO PARK RADIO/HVAC CONTROLS RED/BLK WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RPRNDL FUSE SERIAL DATA STEERING WHEEL AIR BAG COIL (STEERING COLUMN) SUNROOF SWITCH (W/ POWER SLIDING GLASS SUNROOF) SUNROOF TILT SWITCH (W/ POWER SLIDING GLASS SUNROOF) TRACTION CONTROL SWITCH TRANSMISSION SHIFT LEVER POSITION INDICATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ POWER SLIDING GLASS SUNROOF, POWER LIFT BODY EQUIPMENT W/ W/O CONTROL CONTROL STEERING STEERING WHEEL WHEEL YEL WIRE