GMC Yukon III (2006-2014) low ref Wiring diagrams

12 2 PNK WIRE AMBIENT AUTOMATIC DAY/NIGHT MIRROR LIGHT AUTOMATIC DAY/NIGHT MIRROR AUX HVAC-IGN FUSE 48 BACKUP LP CTRL BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN/WHT WIRE CAMERA SIG (-) COMP SWITCH DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR EMERGENCY SWITCH GREEN GREEN LED SIG GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) IGN VOLT INSIDE REARVIEW MIRROR (ISRVM) INTERFACE MODULE (VCIM) (W/ ONSTAR) (CENTER OF DASH) KEYPAD CONTROL KEYPAD SIGNAL LED SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOW REF LP CTRL LT GRN/BLK WIRE MIRROR DISPLAY MIRROR SIG ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH PDM FUSE PHONE SWITCH PNK 4 9 WIRE PNK COMPUTER NAVIGATION DATA LINES SYSTEM SYSTEM WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RR LIGHT SENSOR RUN/ CRNK RELAY RUN/CRNK RLY SER DATA TEMP SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION W/ HEATED STEERING WHEEL W/ POWER MIRRORS WHT WIRE YEL WIRE YEL/BLK WIRE

4 6 B+ GND BACK IND BACK IND CTRL BACK SW CTRL BACK SWITCH BACK, CUSHION IND CTRL BLK WIRE BLK/DK GRN WIRE BLK/WHT WIRE BLOCK (RIGHT END OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUSHION/BACK IND CUSHION/BACK IND PPL CUSHION/BACK SWITCH DIMMING CTRL DK BLU WIRE DK GRN WIRE DRIVER DOOR LOCK/WINDOW SWITCH DRIVER HEATED SEAT SWITCH GRY WIRE HI TEMP IND CTRL HIGH IND HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END PDM FUSE OF DASH) LOW IND LOW REF LOW TEMP IND CTRL MED IND MED TEMP IND CTRL PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER HEATED SEAT SWITCH POWER DISTRIBUTION SYSTEM PPL PPL BACK IND CTRL RED/WHT WIRE RIGHT I/P JUNCTION SERIAL DATA WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 B+ 1 2 3 4 5 6 7 8 PPL RR SNS SIG RR SNS SIG LR SNS SIG OBJECT SENS CTRL LR SNS SIG APPROXI- MATELY 20 CM FROM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE CHEVROLET/GMC CADILLAC COMPUTER DATA LINES SYSTEM DIM CTRL DK BLU WIRE DK GRN WIRE GMLAN GND DISABLE SIG GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) LED DISABLE LEFT REAR CORNER OBJECT SENSOR (LEFT SIDE OF REAR BUMPER) LEFT REAR MIDDLE OBJECT SENSOR (LEFT MIDDLE OF REAR BUMPER) LOW REF OBJECT SENSORS) OBS DET FUSE ORG/ WIRE PPL PPL/WHT WIRE REAR OBJECT SENSOR CONTROL MODULE (FLOOR BELOW PASSENGER SEAT) REAR PARK ASSIST DISABLE SWITCH I/P MULTI-FUNCTION SWITCH RED WIRE RED/WHT WIRE RIGHT REAR RIGHT REAR CORNER OBJECT SENSOR (RIGHT SIDE OF REAR BUMPER) RIGHT REAR MIDDLE OBJECT SENSOR (RIGHT MIDDLE OF REAR BUMPER) W/O ONE PIECE LIFT GATE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD + R AUD + DRAIN WIRE 1 2 3 4 5 6 7 8 9 L AUD - L AUD + R AUD + R AUD - GMLAN 1 2 3 B+ LF SPK+ RF SPK+ 4 5 PNK VOICE SIG LOW REF WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CTRL GND LF SPK- RF SPK- 7066 6817 2550 INTERIOR LIGHTS SYSTEM ANTENNA AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) CELLULAR, NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX ANT SIG COAX COAX COAX NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND (PINS: 10-15 NOT USED) GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE INFO FUSE KEY CTRL KEYPAD SIG L AUD - R AUD - DRAIN WIRE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT I/P JUNCTION BLOCK (W/O LUXURY) (LEFT END OF DASH) LOW REF LR AUD + RR AUD + VOICE SIG LR AUD - RR AUD - LOW REF VID MDE 2 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VOICE SIG W/ ONE PIECE LIFTGATE W/ ONSTAR W/O ONSTAR W/ LUXURY W/O LUXURY WHT RED/ WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD + R AUD + DRAIN WIRE 1 2 3 4 5 6 7 8 9 L AUD - L AUD + R AUD + R AUD - GMLAN 1 2 3 B+ LF AUD + RF AUD + 4 5 PNK VOICE SIG LOW REF WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL GND LF AUD - RF AUD - DRAIN WIRE 7066 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) CELLULAR, NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX ANT SIG COAX COAX COAX NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND (PINS: 10-15 NOT USED) GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INFO FUSE KEYPAD SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LR AUD + RR AUD + VOICE SIG AMP CTRL L AUD - R AUD - DRAIN WIRE LR AUD - RR AUD - LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VOICE SIG W/ ONE PIECE LIFTGATE W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD + R AUD + DRAIN WIRE 1 2 3 4 5 6 7 8 9 L AUD - L AUD + R AUD + R AUD - GMLAN 1 2 3 B+ LF AUD + RF AUD + 4 5 PNK VOICE SIG LOW REF WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL GND LF AUD - RF AUD - DRAIN WIRE 7066 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) CELLULAR, NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX ANT SIG COAX COAX COAX NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND (PINS: 10-15 NOT USED) GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE INFO FUSE KEYPAD SIG L AUD - R AUD - DRAIN WIRE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LR AUD + RR AUD + VOICE SIG LR AUD - RR AUD - LOW REF VID MDE 2 LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VOICE SIG W/ ONE PIECE LIFTGATE W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

1546 1947 1946 1999 FL AUD - LF AUD - 2099 7396 DRAIN WIRE 6978 2550 512 511 546 599 7066 340 LR AUD - GND RF AUD + LF AUD + AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BLUETOOTH WIRELESS COMUNICATION INTERFACE ANTENNA BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) COAX COAX COAX COMPUTER DATA GMLAN LINES SYSTEM DRAIN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) INFO FUSE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) KEYPAD SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 REAR SEAT ENT FUSE RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RR AUD + LR AUD + E SIG B+ RR AUD - LR AUD - SYSTEM TAN WIRE TAN/BLK WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VID MDE 2 VOICE SIG W/ ONSTAR W/O ONSTAR W/ RADIO ANTENNA W/O RADIO COAX ANTENNA COAX ANT SIG COAX W/ RADIO ANTENNA COAX NAV SIG WHT WIRE YEL/BLK WIRE

AMP FUSE 41 ANTENNA AUD SIG AUD SIG (-) AUD SIG (-) BK COAX COAX BLK WIRE BLUETOOTH WIRELESS COMMUNI- CATION ANTENNA BRN WIRE BRN/WHT WIRE CELLULAR CELLULAR TELEPHONE MICROPHONE COAX COAX ANT SIG COAX PU NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND RF AUD (+) LF AUD (+) RR AUD (-) LR AUD (+) ENABLE SIG BATT GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INFO FUSE KEYPAD SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LOW REF (PINS: 7 TO 19 NOT USED) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RR AUD - LR AUD - SYSTEM TAN WIRE TAN/BLK WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VID MDE 2 VIDEO SPLITTER CIRCUIT VOICE SIG W/ ONSTAR W/O LUXURY EDITION W/O ONSTAR WHT WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD + R AUD + DRAIN WIRE 1 2 3 4 5 6 7 8 9 L AUD - L AUD + R AUD + R AUD - GMLAN 1 2 3 B+ LF AUD + RF AUD + 4 5 PNK VOICE SIG LOW REF WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL GND LF AUD - RF AUD - DRAIN WIRE 7066 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) CELLULAR, NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX ANT SIG COAX COAX COAX NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND (PINS: 10-15 NOT USED) GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE INFO FUSE KEYPAD SIG L AUD - R AUD - DRAIN WIRE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LR AUD + RR AUD + VOICE SIG LR AUD - RR AUD - LOW REF VID MDE 2 LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VOICE SIG W/ ONE PIECE LIFTGATE W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 B+ GND BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE EXCEPT HYBRID GND ELEMENT CTRL GND ELEMENT CTRL PNK WIRE HOT AT ALL TIMES I/P FUSE BLOCK REAR SEAT FUSE (LEFT END OF DASH) LEFT REAR CUSHION HEATED SEAT ELEMENT (LEFT REAR SEAT CUSHION) LOGIC LOW REF LR HTD IND LR HTD SW LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE REAR HEATED SEAT CONTROL MODULE (UNDER LEFT REAR SEAT) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RIGHT REAR CUSHION HEATED SEAT ELEMENT (RIGHT REAR SEAT CUSHION) RR HTD IND RR HTD SW SENS SIG SERIAL DATA WHT/BLK WIRE