GMC Yukon II (1999-2006) (near left "a" pillar) Wiring diagrams

10 11 12 13 14 15 16 AUD OUT - DRAIN WIRE ANTENNA BARE 1 1 2 DRAIN WIRE VOICE SIGNAL VOICE LOW REF BARE DRAIN WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE COAX ANTENNA COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (AVALANCHE) LEFT "D" PILLAR SPEAKER (EXCEPT AVALANCHE) LF AUD + RT AUD + LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORN/BLK WIRE PNK/BLK WIRE RADIO RADIO FUSE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) RIGHT REAR DOOR SPEAKER (AVALANCHE) RIGHT "D" PILLAR SPEAKER (EXCEPT AVALANCHE) SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE YEL WIRE

8 BULBS BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE FOG LAMP CIRCUIT HVAC CONTROL MODULE LEFT REAR HEATED SEAT SWITCH MULTIFUNCTION ACCESSORY SWITCH OVERHEAD CONSOLE PPL/WHT WIRE REAR PARKING ASSIST DISABLE SWITCH (W/ UEB) REMOTE PLAYBACK DEVICE (CD PLAYER) RIGHT REAR HEATED SEAT SWITCH STEERING WHEEL CONTROLS TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH W/ W/ WHT WIRE

3 BULBS ANALOG CLOCK AUTO A/C BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE FOG LAMPS FRONT AUXILIARY HVAC CONTROL ASSEMBLY HEADLAMP LEVELING SWITCH HEATED/ COOLED CUPHOLDER I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) MANUAL A/C MULTIFUNCTION ACCESSORY SWITCH PPL PPL/WHT WIRE RADIO REAR AUXILIARY HVAC CONTROL ASSEMBLY RIGHT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) ROOF BEACON SWITCH SPLICE PACK WHT WIRE YEL WIRE

22 14 1047 4240 COMPUTER DATA LINES SYSTEM 3 2 1 4 PPL 8 7 PNK WIRE BATTERY BATTERY GROUND BLK WIRE BRN WIRE CLASS 2 SERIAL DATA BATTERY COMPUTER DATA LINES SYSTEM DDM FUSE DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DN RIGHT DOWN DRIVER DOOR MODULE (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR EXIT FOLDING/ TELESCOPING MOTOR ELECTRO- CHROMIC FRONT PASSENGER DOOR MODULE (IN PASSENGER'S DOOR) GROUND GRY WIRE HEATING ELEMENT HOT AT ALL TIMES I/P RELAY BLOCK (LEFT OF STEERING COLUMN) LEFT LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT UP VERTICAL HORIZONTAL LOGIC LOGIC LOGIC LOW REF LOW REF ELECTROCHROMIC REF LOW REF VERT POS SIG 5 VOLT REF HORIZ POS SIG LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE MEM 2 SW SIG MEM 1 SW SIG BATT (+) MEMORY/ HEATED SEAT SWITCH MIR MTR DWN CTRL MIR MTR COMMON MIR MTR RT CTRL MIR MTR RETRACT CTRL MIR MTR EXTEND CTRL MIRROR SELECT ORG/ WIRE PASSENGER MIRROR POSITION PDM FUSE PNK WIRE PPL PPL/WHT WIRE RED WIRE RIGHT DN RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT MIRROR POSITION RT DOOR CIRCUIT BREAKER SET 1 SET 2 SWITCH PWR TAN WIRE VERT POS SIG 5 VOLT REF HORIZ POS SIG WHT WIRE WHT/RED WIRE YEL WIRE

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 5 6 7 8 9 10 11 12 13 14 15 PPL ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PROG RADIO RADIO FUSE RADIO MUTE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE VOICE VOL DN VOL UP

12 11 10 9 8 7 6 5 4 3 2 1 COM AUD SIG 1851 372 GROUND AUD OUT - DRAIN WIRE 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RT AUD + BARE BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COAX ANTENNA COMPUTER DATA LINES SYSTEM DATA LINES DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER (IF EQUIPPED) DK GRN/WHT WIRE GROUND LT AUD SIG RT AUD SIG HOT AT ALL TIMES I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFO FUSE LF AUD + LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE REAR SEAT ENTERTAINMENT ASSEMBLY (IF EQUIPPED) SERIAL DATA SPLICE PACK UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE

2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 4 5 BARE ANTENNA BARE BARE 6 7 8 9 10 11 12 13 14 15 16 17 BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG RADIO RADIO FUSE RADIO MUTE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE VOICE VOL DN VOL UP

12 11 10 9 8 7 6 5 4 3 2 1 COM AUD SIG 1851 372 GROUND AUD OUT - DRAIN WIRE 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RT AUD + BARE BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COAX ANTENNA COMPUTER DATA LINES SYSTEM DATA LINES DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER (IF EQUIPPED) DK GRN/WHT WIRE GROUND LT AUD SIG RT AUD SIG HOT AT ALL TIMES I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFO FUSE LF AUD + LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE REAR SEAT ENTERTAINMENT ASSEMBLY (IF EQUIPPED) SERIAL DATA SPLICE PACK UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE

2 14 15 20 21 22 KEY SW BATTERY KEY SW SIG UNLOCK CTRL LOCK CTRL SERIAL DATA 2 3 BATTERY GROUND 2 4 BATTERY GROUND 6 10 11 14 22 24 KEY SW LOCK CTRL UNLOCK CTRL BATTERY SERIAL DATA KEY SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE CARGO DOOR CONTACT PLATE CARGO/LIFTGATE DOOR LOCK ACTUATOR DDM FUSE PDM FUSE DK BLU WIRE DRIVER DOOR MODULE (INSIDE DRIVER DOOR) FRONT PASSENGER DOOR MODULE (INSIDE FRONT PASSENGER DOOR) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN KEY SW IGNITION KEY ALARM SWITCH (ON IGNITION KEY CYLINDER) LEFT I/P FUSE BLOCK LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LOCK ACTUATOR LOCK RELAY LOCKS FUSE LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT SIDE OF ENGINE COMPARTMENT) RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT REAR DOOR LOCK ACTUATOR SERIAL DATA TAN WIRE TAN/BLK WIRE UNLOCK CTRL LOCK CTRL BATTERY SERIAL DATA LFTGATE LK REL UNLOCK RELAY W/ CARGO DOORS W/ CARGO DOORS W/O CARGO DOORS WHT WIRE YEL WIRE

AM ANTENNA ANT ENABLE SIG ANTENNA ANTENNA ANTENNA ANTENNA EXCEPT EXCALADE EXT COAX BARE BARE DRAIN WIRE BLK/WHT WIRE BODY CONTROL MODULE BCM CLASS 2 SERIAL DATA BRN WIRE BRN/WHT WIRE CELL VOICE SIG VOICE LOW REF VOICE LOW REF COAX COAX ESCALADE EXT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG ENGINE CONTROLS SYSTEM FM ANTENNA FM COMP SIG FM IMPEDANCE MATCHING MODULE (IN RIGHT REAR QUARTER GLASS) GROUND HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT TO RADIO PNK/BLK WIRE PROG RADIO RADIO ANTENNA MODULE (ABOVE RIGHT REAR QUARTER GLASS, IN HEADLINER) RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) RED WIRE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEH SPEED SEN VEHICLE COMMUNICATION INTERFACE MODULE (RIGHT SIDE OF DASH) VOICE VOICE LO REF VOICE SIGNAL VOL DN VOL UP