Hummer H2 I facelift (2007-2009) nca Wiring diagrams

11 14 1 GND CUSHION ELEMENT CTRL SEAT BACK ELEMENT CTRL PNK PPL WIRE 2 6 PNK PNK LOW REF LOW REF WIRE 6 1 4 B+ GND GND 6 4 CUSHION ELEMENT CTRL SEAT BACK ELEMENT CTRL BLK WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (UNDER DRIVER SEAT BACK UPHOLSTERY) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER SEAT CUSHION) DSM FUSE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LOW REF LOW SPD SERIAL DATA LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER DRIVER SEAT) NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (UNDER PASSENGER SEAT BACK UPHOLSTERY) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER SEAT CUSHION) PDM FUSE PNK GND WIRE PNK WIRE PPL RED/WHT WIRE SEAT BACK TEMP SIG SEAT CUSHION TEMP SIG TAN WIRE TAN/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE DK BLU WIRE DK GRN WIRE DOWN HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH TO LEFT OF STEERING COLUMN) LT BLU WIRE LT GRN WIRE NCA WIRE PASS SEAT 1 CIRCUIT PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR RED/WHT WIRE RWD TAN WIRE YEL WIRE

2 4 BATTER BATTER 2 6 4 BATTER GROUND BATTER 9 17 451 109 GROUND AJAR SW SIG 9 8 2501 2500 COMPUTER DATA BUS- DATA BUS+ DATA LINES SYSTEM 9 8 SERIAL DATA UNLOCK CTRL 9 8 SERIAL DATA UNLOCK CTRL LOGIC AUX HVAC IGN FUSE 41 BLK WIRE BLK/WHT WIRE COAX COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PPL DDM FUSE INFO FUSE DK GRN WIRE DOOR HANDLE DRIVER DOOR LATCH (INSIDE DRIVER DOOR BELOW OUTSIDE DRIVER DOOR LOCK/WINDOW SWITCH GMLAN SERIAL DATA GROUND GRY WIRE GRY/BLK WIRE HOOD AJAR SWITCH (PART OF HOOD LATCH ASSEMBLY) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN KEYLESS ENTRY ANTENNA LCK 1 FUSE LCK 2 FUSE LEFT I/P JUNCTION LEFT REAR DOOR LATCH (AT LEFT REAR OF DOOR) LIFTGATE DOOR LOCK ACTUATOR (AT LOWER CENTER OF LIFTGATE) LOCK CTRL LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE NCA WIRE PASSENGER DOOR LATCH (INSIDE PASSENGER DOOR BELOW OUTSIDE PASSENGER DOOR LOCK/WINDOW SWITCH PNK WIRE PNK/BLK WIRE PPL PPL CLOSED SW SIG REAR DOOR LOCK/UNLOCK PCB RELAY RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF I/P BEHIND END TRIM PANEL) RIGHT REAR DOOR LATCH (AT RIGHT REAR OF DOOR) RT DOORS CIRCUIT BREAKER SECURITY IND SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UNLCK 1 FUSE UNLCK 2 FUSE VOLT BATT POS WHT WIRE

12 2 PNK WIRE 4 9 PNK WIRE AUTOMATIC DAY/NIGHT MIRROR SIG AUX HVAC IGN FUSE 41 BACKUP LAMP RLY CTRL BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRAIN DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR ELECTROCHROMIC MIRROR GROUND GRY WIRE GRY/BLK WIRE HIGH SPEED SER DATA BUS- HOT W/ RUN/ CRANK RELAY ENERGIZED I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) IGN INSIDE REARVIEW MIRROR (ISRVM) LOGIC LOW REF LT BLU WIRE NAVIGATION SYSTEM NCA WIRE OUTSIDE AIR TEMP DISPLAY OUTSIDE AIR TEMPERATURE SIG PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VIDEO+ WHT WIRE YEL WIRE

AMP FUSE 35 AMPLIFIER CTRL RR LO AUD SIG + LR LO AUD SIG + RF LO AUD SIG + LF LO AUD SIG + AUDIO AMPLIFIER (UNDER FRONT FLOOR CONSOLE, BETWEEN FRONT SEATS) BLK WIRE BREAKOUT, 14 CM FROM BREAKOUT) BREAKOUT, 24 CM FROM FUSE BREAKOUT, 29 CM FROM FUSE BREAKOUT, 9 CM FROM BREAKOUT) BRN WIRE BRN/WHT WIRE CENTER I/P SPEAKER COMMUNICA- TION ENABLE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LEFT D PILLAR SPEAKER RIGHT FRONT (SUV) TWEETER SPEAKER LEFT FRONT LEFT FRONT TWEETER SPEAKER SPEAKER LEFT REAR SPEAKER LR SPK OUT + LR SPK OUT - LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE NEXT ORG/ WIRE ORG/BLK WIRE PNK WIRE PREVIOUS RED/WHT WIRE RIGHT D PILLAR SPEAKER (SUV) RIGHT FRONT SPEAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH BEHIND END TRIM PANEL) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH RR LO AUD SIG - LR LO AUD SIG - RF LO AUD SIG - LF LO AUD SIG - REMOTE ENABLE SEEK SOURCE STEERING SIG SUBWOOFER SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VOICE REC VOL DOWN VOL UP WHT WIRE YEL WIRE

5060 1955 1855 201 118 117 200 116 COMPUTER DATA LINES SYSTEM AMP FUSE 35 AUDIO AMPLIFIER (UNDER FRONT FLOOR CONSOLE, BETWEEN FRONT SEATS) BARE BLK WIRE BREAKOUT, 14 CM FROM BREAKOUT) BREAKOUT, 24 CM FROM FUSE BREAKOUT, 29 CM FROM FUSE BREAKOUT, 9 CM FROM BREAKOUT) BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) L OR REAR WOOFER OUT + L WOOFER OUT - R WOOFER OUT - B+ 1 2 3 4 5 6 7 8 LEFT D PILLAR SPEAKER CENTER (SUV) I/P SPEAKER LEFT FRONT LEFT FRONT TWEETER SPEAKER SPEAKER LEFT REAR SPEAKER LF LO AUD SIG + LF LO AUD SIG - AUD PROMPT SIG + NOISE COMP SIG LR LO AUD SIG + LR LO AUD SIG - CEN LO AUD + CEN LO AUD - LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE NEXT NOISE COMPENSATION MICROPHONE NOISE SIG DRAIN WIRE BARE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PREVIOUS R WOOFER OUT + GND RED/WHT WIRE RF LO AUD SIG + RF LO AUD SIG - AUD PRMT SIG - DRAIN WIRE RIGHT D PILLAR SPEAKER (SUV) RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH BEHIND END TRIM PANEL) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH RR LO AUD SIG + RR LO AUD SIG - WOOFER LO AUD + WOOFER LO AUD - SEEK SOURCE STEERING SIG SUBWOOFER SPEAKER TAN WIRE TION ENABLE COMMUNICA- UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VOICE REC VOL DOWN VOL UP WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 B+ GND BACK CUSHION IND BACK IND BACK SWITCH BACK/ CUSHION SWITCH BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GND ELEMENT CTRL GND ELEMENT CTRL PNK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF I/P, BEHIND ACCESS PANEL) LEFT REAR CUSHION HEATED SEAT ELEMENT (UNDER RIGHT REAR SEAT CUSHION UPHOLSTERY) LOGIC REAR SEAT AUDIO (RSA) CONTROL LOW REF LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE REAR HEATED SEAT CONTROL MODULE (UNDER FRONT OF LEFT REAR SECOND ROW SEAT) REAR SEAT FUSE RED/WHT WIRE RIGHT REAR CUSHION HEATED SEAT ELEMENT (UNDER LEFT REAR SEAT CUSHION UPHOLSTERY) SENS SIG SERIAL DATA WHT/BLK WIRE

AIR BAG AUX- IGN HVAC-IGN FUSE 34 FUSE 41 B+ IGN I/P MOD DISABLE SW SIG I/P MOD SUPP IND CTRL PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISABLE SWITCH DK GRN WIRE DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT PRETENSIONER (PART OF DRIVER SEAT BELT RETRACTOR ASSEMBLY) DRIVER SEAT BELT SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES AIR BAG BATT FUSE 38 HOT IN ON OR START INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INFLATABLE RESTRAINT VEHICLE LEFT I/P JUNCTION BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK LOW REFERENCE WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE RED/WHT WIRE ROLL OVER SENS HI SIG L SEAT BELT SW ROLLOVER SENSOR (BELOW CENTER CONSOLE IN FRONT OF AUDIO AMPLIFIER) SHORTING BAR TAN WIRE TAN/BLK WIRE TAN/ORG WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DIFF LOCK SW SIG 1553 1552 1342 MOTOR CONTROL B MOTOR CONTROL A BATTERY POSITIVE VOL GROUND 2501 2500 SERIAL DATA BUS- SERIAL DATA BUS+ 4-HI IND 4-HI LOCK IND 4-LO LOCK IND AUX HVAC IGN FUSE 41 BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK ACTUATOR (ON REAR AXLE AT TOP OF DIFFERENTIAL HOUSING) DIFFERENTIAL LOCK IND DIFFERENTIAL LOCK SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED I/P MULTI-FUNCTION SWITCH IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOCK LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MISC IGN FUSE 37 NCA WIRE NEUTRAL 4 LO LOCK 4 HI LOCK 4 HI NEUTRAL IND ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE REAR WIPER WASHER SW RED/BLK WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (AT LEFT REAR OF TRANSFER CASE ASSEMBLY) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLIGHT SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 58 UNDERHOOD FUSE BLOCK WHT WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/RED WIRE

13 6 LO SPD SERIAL DATA REMOTE ENABLE 14 1 2 3 4 PNK INFRARED CTRL L AUD SIG GND R AUD SIG DRAIN WIRE AUDIO AMPLIFIER (UNDER FRONT FLOOR CONSOLE, BETWEEN FRONT SEATS) AUDIO VIDEO ADAPTER (REAR OF CENTER CONSOLE BELOW REAR SEAT AUDIO CONTROL) AUXILIARY AUD R SIG AUXILIARY AUD L SIG DRAIN WIRE BARE BARE (BLUNT CUT) BARE 1 2 3 4 5 6 7 8 GND BARE BARE BARE PPL BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DVD VID SIG + DVD VID SIG - GND B+ REMOTE ENABLE VID BRIGHT SIG VIDEO MODE SIG HOT AT ALL TIMES INFO (AT LEFT SIDE OF FUSE ENGINE COMPT, NEAR BATTERY) INFRARED TRANSMITTER (IN ROOF-MOUNTED DVD SYSTEM) LOW REF L INFRARED AUD SIG GND R INFRARED AUD SIG GND LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL AUXILIARY VID HI SIG PPL/WHT WIRE R INFRARED AUD SIG RADIO REAR SEAT AUDIO (RSA) CONTROLLER (AT REAR OF CENTER CONSOLE) RED/WHT WIRE REMOTE ENABLE TAN/WHT WIRE UNDERHOOD FUSE BLOCK VIDEO DISPLAY (IN HEADLINER BETWEEN FRONT, SECOND ROW SEATING) WHT WIRE WHT/BLK WIRE YEL WIRE