Chevrolet Tahoe III (2006-2014) except hybrid Wiring diagrams

1 2 B+ VOLT 1 3 4 B+ SNS SIG SNS SIG 109 5531 PPL 12 14 15 LIFTGATE SW RR AJAR SW LR AJAR SW 1851 5060 COMPUTER DATA LINES SYSTEM 3 10 B+ GMLAN 3 4 5 GND GMLAN 3840 5060 COMPUTER DATA LINES SYSTEM 4 6 B+ GND 5 13 9 LO REF LF AJAR SW GMLAN 5 13 9 LO REF RF AJAR SW GMLAN AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) B+ SNS SIG SNS SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DLIS FUSE 35 DRIVER DOOR LOCK/WINDOW SWITCH ENG COMPT) ENGINE CONTROL MODULE (LEFT SIDE OF EXCEPT 6.0L (VIN J) 6.0L (VIN J) EXCEPT HYBRID FUSE 52 GRY WIRE GRY/BLK WIRE HDLP RLY HOOD AJAR SWITCH (W/ REMOTE HORN RLY HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES I/P BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) IGN VOLT IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) INTRUS SIG LIFTGATE LATCH ASSEMBLY (CENTER OF LIFTGATE) LIFTGATE WINDOW AJAR SWITCH LIFTGATE WINDOW LATCH ASSEMBLY (BOTTOM CENTER OF LIFT GLASS) LO SPD GMLAN LOCK LOCK CONTROL) (HOOD LATCH ASSEMBLY) LOGIC LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE PASSENGER DOOR LATCH ASSEMBLY CHEVROLET/GMC CADILLAC (FRONT PASSENGER'S DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PDM FUSE PNK PPL WIRE PNK WIRE PNK/ 8 3 SW SIG SW SIG WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER LIFTGATE MODULE (LEFT REAR OF CARGO AREA) PPL PPL AJAR SW SIG PPL INTRUS SIG PPL PPL PPL SW SIG PRK LP RLY RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY (RIGHT REAR DOOR) RUN WIRE SEC IND SECURITY IND SECURITY INDICATOR LAMP SW SIG THEFT DETERRENT MODULE (ON IGNITION SWITCH) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE INCLINATION SENSOR VEHICLE SHOCK SENSOR W/ POWER LIFTGATE PPL W/O POWER LIFTGATE WIPER/ WASHER SYSTEM YEL WIRE

5 VOLT REF ACCESSORY WAKEUP SERIAL DATA ANTI-THEFT SYSTEM BATTERY BCM FUSE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE SW SIG COMPUTER DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL DIMM SIG CTSY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL RELAY CTRL EXCEPT HYBRID FOG LAMP RELAY CTRL FRONT FOG LAMP SW SIG GRN/WHT WIRE GROUND GRY WIRE HEADLAMP HI BEAM RELAY CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA BUS + HOOD AJAR SW SIG HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) I/P LAMP DIMMER SW SIG INDICATOR DIM CTRL INTERIOR LIGHTS IPC FUSE 46 IS LAMPS FUSE LED DIM CTRL LINES SYSTEM LO SPD SERIAL DATA LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT STOP TRN FUSE LT TRLR TURN SIG LAMP NET WORK BUS NOT USED ORG/ WIRE ORG/WHT WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RT FRT TURN SIG LAMP CTRL RT STOP TRN FUSE RT TRLR TURN SIG LAMP RUN/CRANK RELAY CTRL SECURITY IND CTRL SERIAL DATA COMM ENABLE STOP LAMPS FUSE SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK WASHER RELAY CTRL WIPER MOTOR PARK SW SIG WIPER/WASHER SYSTEM YEL WIRE

2500 2501 451 COMPUTER DATA LINES SYSTEM 28 27 73 72 51 73 SER DATA BUS+ SER DATA BUS- GROUND 71 72 66 67 VSS HI SIG VSS LO SIG 9 20 56 29 30 36 32 23 7 20 33 47 36 35 49 37 BRK SW SIG BATT + ACCELERATOR PEDAL POSITION (APP) SENSOR (ACCELERATOR PEDAL ASSEMBLY) APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL BATT + BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE SIG BRK AP SIG BRN WIRE CADILLAC CHEVROLET, GMC COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) (HYBRID) EXCEPT HYBRID GMLAN GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) BCM FUSE HOT W/ RUN/CRANK RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 ORG/BLK WIRE ORG/WHT WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL BRAKE SW SIG PPL/WHT WIRE RED/WHT WIRE STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE THROTTLE BODY (FRONT OF INTAKE MANIFOLD) TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) W/ ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE W/O ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE W/O ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE, HYBRID WHT LT BLU/ WIRE WHT/BLK WIRE YEL WIRE

AUTOMATIC TRANSMISSION BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE SWITCH DATA BUS - DK BLU WIRE EXCEPT HYBRID GRN WIRE GRN/WHT WIRE GRY WIRE IN SPD SENS (ISS) SIG INPUT SPEED SENSOR (ISS) (6 SPEED A/T) ISS/OSS CTRL LEFT STEERING WHEEL CONTROL SWITCH ORG/BLK WIRE ORG/WHT WIRE OUT SPD SENS (OSS) RTN OUT SPD SENS (OSS) SIG OUTPUT SHAFT SPEED (OSS) SENSOR (2 MODE HYBRID) OUTPUT SPEED SENSOR (OSS) (6 SPEED A/T) PNK WIRE PPL/WHT WIRE RED WIRE REPLICATED TOS SIG RES+ SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) WAKE UP SERIAL DATA YEL WIRE

BATTERY (GMC) RIGHT HEADLAMP BATTERY CURRENT SENSOR BLK WIRE CHEVROLET EXCEPT HYBRID GMC HEADLAMP HOOD AJAR SWITCH LEFT LEFT FRONT FRONT SIDE PARK MARKER LAMP LAMP LEFT FRONT PARK/ SIDE AUXILIARY TURN MARKER FUSE SIGNAL LAMP BLOCK LAMP LEFT HEADLAMP BALLAST LEFT HIGH BEAM HEADLAMP LEFT HORN LEFT LEFT HEADLAMP ASSEMBLY HIGH BEAM SOLENOID HEADLAMP LEFT LEFT LEFT FRONT LOW PARK/TURN SIDE MARKER BEAM SIGNAL LAMP LAMP NCA WIRE RIGHT FRONT FOG LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP RIGHT HIGH BEAM SOLENOID HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT RIGHT FRONT TURN FRONT FOG SIGNAL LAMP LAMP LEFT HEADLAMP BALLAST TO AUXILIARY FUSE BLOCK (DIAGRAM 2 OF 6) TO AUXILIARY FUSE BLOCK (DIAGRAM 2 OF 6) CHEVROLET TO GROUND TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 6) W/ HEADLAMP FLASHER W/ HIGH BEAM W/O LED HEADLAMPS (CHEVROLET) LEFT HIGH BEAM HEADLAMP W/ LED HEADLAMPS W/ LOW BEAM W/O LED HEADLAMP W/ LOW BEAM W/O LED HEADLAMPS W/ REMOTE KEYLESS ENTRY, LEFT CARGO RESTRAINT W/ SNOW PLOW PROVISIONS W/O LOW BEAM W/O LED HEADLAMPS WINDSHIELD (GMC WASHER CHEVROLET) FLUID LEFT PUMP HEADLAMP

A/C COMPRESSOR CLUTCH AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUTOMATIC TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY AUXILIARY FUSE FAN BLOCK (HYBRID) (LEFT SIDE OF ENGINE COMPT) LO RELAY BACKUP LAMP PCB RELAY BLK WIRE DIODES ENGINE CONTROL MODULE (ECM) EXCEPT HYBRID EXCEPT HYBRID HYBRID FAN CNTRL RELAY DIODE FRONT DRIVE AXLE ACTUATOR FUEL PUMP RELAY FUSE FUSE IGNITION COIL 1 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 IGNITION IGNITION COIL 4 COIL 2 IGNITION IGNITION COIL 5 COIL 3 LEFT ENGINE COOLING FAN LEFT ENGINE COOLING FAN RESISTOR LT BLU WIRE MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR NCA WIRE REAR DEFOG RELAY REAR WASH PCB RELAY RELAY A RIGHT SIDE OBJECT SENSOR RUN/ CRNK RELAY STRTR RELAY TO LEFT REAR SHOCK ABSORBER ACTUATOR) TRANSFER CASE SHIFT CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE W/ SIDE POWER RUNNING BOARDS, SIDE OBSTACLE DETECTION SENSOR INDICATOR W/O SIDE POWER RUNNING BOARDS, SIDE OBSTACLE DETECTION SENSOR INDICATOR WHT WIRE WINDSHIELD WIPER MOTOR WIPER 1 PCB RELAY

BLK WIRE BODY HORN CONTROL RELAY MODULE CONTROL (BCM) (LEFT SIDE OF DASH) DK GRN WIRE EXCEPT HYBRID GENERATOR INLINE FUSE HORN FUSE 29 HORN PCB RELAY HORN SWITCH HOT AT ALL TIMES LEFT HORN (LEFT SIDE OF RADIATOR) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RIGHT HORN (RIGHT FRONT CORNER OF ENGINE COMPT) TAN WIRE W/ HORN/ SIREN CIRCUIT WIRING PROVISIONS

10 CM IN TO AIR BAG BATT FUSE 45 ALC/COMP FUSE 58 AUTOMATIC LEVEL CONTROL (ALC) RELAY (IF EQUIPPED) AUX WDO CIRCUIT BREAKER BCM FUSE COOLED SEATS FUSE BLK WIRE BLOCK CHEVROLET/ GMC CADILLAC CLOCK (CADILLAC) DIGITAL RADIO RECEIVER (W/ S-BAND DIGITAL RADIO) DRIVER DOOR LOCK BODY CONTROL MODULE (BCM) WINDOW SWITCH SHORT WHEEL BASE DRIVER SEAT 2 CIRCUIT BREAKER DRIVER SEAT ADJUSTER SWITCH (IF EQUIPPED) DSM FUSE EAP FUSE 38 EXCEPT HYBRID EXCEPT UYS FROM STUD 2 FUSE 63 (DIAGRAM 1 OF 8) HYBRID W/ FRONT INDIVIDUAL SEATS INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LGM FUSE 71 LIFTGATE MODULE (LGM) (IF EQUIPPED) LONG WHEEL BASE MBEC 1 FUSE 69 MEMORY HEATED SEAT LUMBAR SEAT CONTROL MOTOR MODULE MODULE BREAKOUT) (MSM) MEMORY SEAT MODULE (MSM) (W/ FRONT INDIVIDUAL MEMORY SEATS) SEAT MODULE (MSM) PARK ENABLE PCB RELAY PASS SEAT 1 CIRCUIT BREAKER PASS- PASS- ENGER ENGER DOOR WINDOW LOCK/ MOTOR WINDOW SWITCH PASSENGER SEAT BACK VENTILATION HEAT, COOL MODULE PASSENGER SEAT LUMBAR SWITCH RADIO RDO FUSE 42 REAR HVAC FUSE REAR SEAT AUDIO (RSA) CONTROL (W/ REAR SEAT, EARPHONE JACKS) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT REAR WINDOW PASSENGER SWITCH SEAT ADJUSTER SWITCH RT DDM FUSE DIM FUSE CTSY FUSE STOP TRN FUSE RT DOORS CIRCUIT BREAKER STUD 1 FUSE 68 TRAILER CONNECTOR (IF EQUIPPED) UNDERHOOD FUSE BLOCK (LEFT SIDE OF LBEC 1 ENGINE COMPT) FUSE 64 UYS W/ FRONT COOLING SEAT HEATER W/ FRONT INDIVIDUAL SEATS W/ LUXURY W/ MEMORY W/O MEMORY W/ NON BUCKET FRONT INDIVIDUAL SEAT W/O FRONT INDIVIDUAL SEATS W/O LUXURY W/O NON BUCKET FRONT INDIVIDUAL SEAT WHT RED/ WIRE WHT WIRE

5.3L, 6.2L A/C CMPRSR RELAY AUXILIARY FUSE BLOCK (HYBRID) (LEFT SIDE OF ENGINE COMPARTMENT) BANK 1 SENSOR 2 BANK 2 SENSOR 2 BCK/UP LAMP PCB RELAY DRL PCB RELAY ECM/THROT CONT FUSE 5 ENG FUSE 4 ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE EXCEPT 6.0L (VIN G) EXCEPT HYBRID FAN CNTRL RELAY (EXCEPT HYBRID) FAN HI FAN FAN MID 2 CNTRL RELAY RELAY RELAY FAN HI RELAY (EXCEPT HYBRID) FAN LO RELAY (EXCEPT HYBRID) FAN MID 1 FAN LO RELAY RELAY FAN-1 FUSE 57 FAN-2 FUSE 60 FOG LAMP RELAY FROM STUD 2 FUSE 63 FRT WASH PCB RELAY FRT WPR FUSE 36 FUEL FUEL FUEL INJECTOR INJECTOR INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUEL STRTR RELAY PUMP RELAY HDLP LO/HID RELAY HEATED OXYGEN SENSOR HI BEAM PCB RELAY HORN PCB RELAY IGNITION COIL IGNITION IGNITION COIL COIL IGNITION IGNITION IGNITION COIL COIL COIL INJ-A FUSE 24 INJ-B FUSE 13 MASS AIR FLOW (MAF) SENSOR/ INTAKE AIR TEMPERATURE (IAT) SENSOR NCA WIRE PARK LAMP RELAY PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PWR/TRN RELAY REAR DEFOG PCB RELAY REAR WASH PCB RELAY SNSR FUSE 18 SNSR FUSE 8 TRLR STOP LT PCB RELAY TRLR STOP RT PCB RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WIPER 1 PCB RELAY WIPER 2 PCB RELAY YEL 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