Chevrolet Tahoe III (2006-2014) tan/blk Wiring diagrams

1 GRD 1 GRD AUTOMATIC TRANSMISSION (6 SPEED A/T) AUTOMATIC TRANSMISSION (HYBRID) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BACKUP CTRL BACKUP LAMP RLY CTRL BCK/UP LAMP PCB RELAY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE GMC CADILLAC W/O ONE PIECE LIFTGATE GRN WIRE GRY WIRE HOT AT ALL TIMES FUSE HOLDER (ON POSITIVE BATTERY POST) INSIDE REARVIEW MIRROR (ISRVM) LEFT BACKUP LAMP RIGHT BACKUP LAMP LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LT GRN WIRE MJR 3 MJR 3 NCA WIRE OF ENGINE COMPT) POWER DISTRIBUTION SYSTEM REARVIEW CAMERA (IF EQUIPPED) (MIDDLE OF TAILGATE) RED WIRE RED/BLK WIRE SER DATA BUS - TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE VEH BCK/UP FUSE 15 W/ LIFTGLASS HYBRID W/ SPO REAR VISION W/O ONE PIECE LIFTGATE W/ ONE PIECE LIFTGATE W/O SPO REAR VISION YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL MTR DOWN CTRL MTR UP CTRL 1 2 3 4 5 6 GND B+ 5289 6207 ADJUSTABLE PEDALS CIRCUIT ADJUSTABLE PEDALS CIRCUIT AUX WDO CIRCUIT BREAKER BLK WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT 2 CIRCUIT BREAKER DRIVER SEAT ADJUSTER MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) DRIVER SEAT LUMBAR HORIZONTAL MOTOR DRIVER SEAT LUMBAR HORIZONTAL MOTOR POSITION SENSOR DRIVER SEAT LUMBAR VERTICAL MOTOR DRIVER SEAT LUMBAR VERTICAL MOTOR POSITION SENSOR DRIVER SEAT RECLINE MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT RECLINE POSITION SENSOR ELEMENT CTRL GND B+ B+ GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) DSM FUSE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) MTR FWD CTRL MTR RWD CTRL GND MTR FWD CTRL MTR RWD CTRL PNK PNK WIRE ORG/BLK WIRE PNK SENS SIG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RECLINER MOTOR BREAKOUT) RED WIRE RED/WHT WIRE SEATS SYSTEM SENS SIG SENS SIG SENS SIG SENS SIG SENS SIG SENS SIG TILT ACTUATOR TAN WIRE TAN/BLK WIRE TILT ACTUATOR TILT ACTUATOR FWD CTRL RWD CTRL WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

10 8 9 SERIAL DATA BUS + BUS - 12 CM FROM LICENSE LAMP, RIGHT BREAKOUT) 13 3 PPL CONTACT SIG B+ 15 16 19 LEFT TURN SIG RIGHT TURN SIG HAZARD SW SIG 4 1 3 2 B+ B+ B+ B+ 5060 2500 2501 COMPUTER DATA LINES SYSTEM ANTI-LOCK BRAKES SYSTEM AUTO OFF BCM FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE SIG BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CTSY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT ENGINE CONTROLS SYSTEM GRN WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED LAMP LAMP GRD LAMP RLY LEFT BACKUP LAMP (LEFT REAR BODY MOUNT) LT LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT LICENSE LAMP LEFT REAR SIDE MARKER LAMP LEFT REAR TURN SIGNAL LEFT TAIL/ STOP LAMP LF TURN SIG LR STOP/ TURN SIG LR LT BLU WIRE LT BLU/WHT WIRE LT PRK FUSE 26 LT STOP TRN FUSE RT STOP TRN FUSE STOP LAMPS FUSE MISC-IGN FUSE 43 MJR LEFT TAIL/ TURN MJR LEFT TAIL/ TURN SIGNAL GRD LAMP LOWER LEFT TAIL/STOP, TURN SIGNAL LAMP MNR ORG/ WIRE ORG/WHT WIRE PARK HEAD PARK LAMP RELAY PARK LAMP SIG PNK PNK PNK PNK POWER DISTRIBUTION SYSTEM WIRE PNK WIRE PPL RED WIRE RED/WHT WIRE RIGHT LEFT HAZARD SWITCH RIGHT LICENSE LAMP STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LP CTRL TAN WIRE TAN/BLK WIRE TO RIGHT TAIL/STOP LAMP (DIAGRAM TO RT PRK FUSE 27 (DIAGRAM TRAILER PROVISION (BLUNT CUT) TURN SIG CHMSL VOLT TURN SIG RF TURN SIG RR STOP/ TURN SIG RR TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPPER LEFT TAIL/STOP, TURN SIGNAL LAMP W/ ONE PIECE LIFTGATE W/O ONE PIECE LIFTGATE EXCEPT 6.0L (VIN J) WHT WIRE YEL WIRE YEL/BLK WIRE

2 3 PNK WIRE 27 28 51 72 CAN BUS - CAN BUS + 34 41 50 24 40 60 LOW REF 70 16 31 33 24 SENS SIG SENS SIG LOW REF 44 9 34 48 9 5 13 GMLAN LOW REF SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LATCH ASSEMBLY (DRIVER'S DOOR) DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) EXCEPT 6.0L (VIN J) EXCEPT 6.0L 6.0L GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR DOOR LATCH ASSEMBLY LIFTGATE AJAR LIFTGATE WINDOW AJAR SWITCH LIFTGLASS LATCH ASSEMBLY (BOTTOM CENTER OF LIFT GLASS) LIN BUS LR DR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH ASSEMBLY (FRONT PASSENGER'S DOOR) PASSENGER DOOR LOCK/ WINDOW SWITCH PERSONALIZATION SWITCH PNK WIRE PNK/BLK WIRE PPL RIGHT REAR DOOR LATCH ASSEMBLY (RIGHT REAR DOOR) RLY CTRL RR DR AJAR SENS SIG SERIAL DATA SET/RESET SWITCH SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP/FUEL SWITCH VEHICLE INFORMATION SWITCH W/O POWER REAR LIFTGATE DOOR WIPER/ WASHER SYSTEM YEL WIRE

2 HI 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD ANTI-LOCK BRAKES SYSTEM (CADILLAC) AUTO- MATIC AWD IND PNK WIRE BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC GMC/CHERVOLET COMPUTER DATA LINES SYSTEM DIM CNTRL DIM FUSE BCM FUSE IS LAMPS FUSE DIM SIG DISABLE SIG DK GRN WIRE GARAGE DOOR OPENER (GDO) GMC/CHEVROLET HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT END OF DASH) SWC BKLT FUSE I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH INSTRUMENT PANEL CLUSTER (IPC) LED LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH LOGIC LOGIC (RIGHT FRONT RADIO OF HVAC CASE) LOGIC LOGIC LOW REF TRAILER BRAKE TRAILER BRAKE CONTROL MODULE CONTROL SWITCH (IF EQUIPPED) LT BLU WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH NCA WIRE OFF AUTO PARK ORG/WHT WIRE PILLAR) PNK WIRE PPL/WHT WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH ROOF BEACON SWITCH SUNROOF SWITCH TAN WIRE TAN/BLK WIRE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH W/ ACCESSORY STEERING WHEEL CONTROL W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ ROOF MOUNTED LAMP PROVISIONS W/ SLIDING ROOF W/O LUXURY EDITION W/O ROOF MOUNTED LAMP PROVISIONS YEL WIRE

10 8 9 SERIAL DATA SERIAL DATA BUS + ANTI-LOCK BRAKES PNK SYSTEM WIRE BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES HOT W/ BCK/UP LAMP RELAY ENERGIZED HOT W/ PARK LAMP RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LT BLU/WHT WIRE LT GRN WIRE LT TURN SIG LAMP MISC-IGN FUSE 43 ORG/ WIRE PNK PNK PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RT TURN SIG LAMP SERIAL DATA BUS- STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STUD 1 FUSE 68 STUD 2 FUSE 63 TAN WIRE TAN/BLK WIRE TRAILER CONNECTOR (CENTER REAR OF VEHICLE) TRAILER PROVISION (BLUNT CUT) TRLR BCK/UP FUSE 10 TRLR PRK FUSE 25 TRLR STOP LT FUSE 3 TRLR STOP LT PCB RELAY TRLR STOP RT FUSE 1 TRLR STOP RT PCB RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/O INTEGRATED TRAILER BRAKE CONTROL WHT WIRE YEL WIRE

6 SHUTOFF SOL 1 SHUTOFF SOL AIR CONDITIONING SYSTEM BANK 2 BANK 2 SENS 1 BANK 2 SENS 1 BANK 2 SENS 1 BANK 2 SENS 2 BANK 2 SENS 2 PPL PPL BAROMETRIC PRESSURE (BARO) SENSOR (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM AIR CONDITIONING SYSTEM CYLINDER SHUTOFF SOLENOID 1 CYLINDER SHUTOFF SOLENOID 2 CYLINDER SHUTOFF SOLENOID 3 CYLINDER SHUTOFF SOLENOID 4 DK BLU WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT OF LEFT CYLINDER HEAD) GRY WIRE HYBRID SYSTEM CIRCUIT LOW REF LOW REF LOW REF LOW REF LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (TOP REAR OF ENGINE) NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK WIRE PNK WIRE PPL PRESS SENS SIG PRESS SENS SIG MAP SENS SIG PTLAN- PUMP RLY CTRL TAN WIRE TAN/BLK WIRE TRANSMISSIONS, CRUISE CONTROL SYSTEMS VALVE LIFTER OIL MANIFOLD (VLOM) ASSEMBLY (TOP OF ENGINE, BELOW INTAKE MANIFOLD) YEL WIRE

2501 2500 904 904 904 904 968 2139 COMPUTER DATA LINES SYSTEM 33 53 PTLAN- PTLAN+ 988 983 984 983 PNK WIRE AUTOMATIC TRANSMI- SSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION BLK WIRE BRN WIRE CIRCUIT CIRCUIT 1 CIRCUIT 2 COMPUTER DATA LINES SYSTEM CONTACTOR CTRL PUMP CTRL B+ B+ CONTROL TRANSMISSION CONTROL MODULE (TCM) SOLENOID VALVE ASSE- MBLY CUT) (SHIELD BLUNT DK BLU WIRE DK GRN WIRE DRAIN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) ENGINE CONTROLS CIRCUIT ENGINE CONTROLS CIRCUIT 6272 7654 EXCITATION EXCITATION CIRCUIT FLUID PUMP GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES AUXILIARY PIM 1 FUSE FUSE 8 BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INTER MODE GND LOW REFERENCE TEMP SENS A LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEGA FUSE NCA WIRE ORG/ WIRE ORG/BLK WIRE PHASE A PHASE B PHASE C PIM 2 FUSE 9 PNK WIRE PNK/WHT WIRE POWER INVERTER PPL PPL INTER MODE S PTLAN+ PTLAN- PUMP CTRL RED WIRE RED/WHT WIRE RESOL MTR A+ RESOL MTR A+ RESOL MTR B- RESOL MTR B+ TEMP SENS A SER DATA BUS- SER DATA BUS+ TAN WIRE TAN/BLK WIRE TEMP SENS B TRANS PUMP FUSE WAKE UP SIG IGN VOLT WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 PPL B+ 1 2 3 4 5 HIGH VOLTAGE 1 4 12 13 PPL 3 4 5 6 7 8 9 10 11 12 NOT USED 5 VOLT REF BATTERY INVERTER CURRENT LIMIT (UNDER FRONT RESISTOR PASSENGER'S SEAT) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTRL SIG DATA BUS - DATA BUS - DK BLU/RED WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/RED WIRE DRIVE MOTOR DRIVE MOTOR BATTERY CABLE TERMINAL EXTENSION COVER DRIVE MOTOR BATTERY CURRENT SENSOR DRIVE MOTOR BATTERY HIGH VOLTAGE MANUAL DISCONNECT LEVER DRIVE MOTOR BATTERY NEGATIVE HIGH VOLTAGE CONTACTOR RELAY DRIVE MOTOR BATTERY POSITIVE HIGH VOLTAGE CONTACTOR RELAY DRIVE MOTOR GENERATOR BATTERY DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE DRIVE MOTOR POWER INVERTER CURRENT LIMIT RELAY FROM BATTERY MODULE (DIAGRAM 3 OF 5) FUSE GND WAKE UP SIG SER DATA COM HIGH VOLTAGE GRY WIRE HIGH VOLTAGE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/YEL WIRE NCA WIRE ORG/ WIRE PNK HIGH VOLTAGE WIRE PNK WIRE PPL RED WIRE RED/WHT WIRE RELAY CTRL RELAY CTRL TAN WIRE TAN/BLK WIRE TO DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE (DIAGRAM 5 OF 5) TO GENERATOR BATTERY VENT FAN (DIAGRAM 5 OF 5) TO GENERATOR BATTERY VENT FAN RELAY (DIAGRAM 5 OF 5) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

1 2 3 4 NOT USED MTR PWR FEED GROUND 5-VOLT REF 8 36 56 51 72 PUMP RLY CTRL LOW REF 5-VOLT REF GMLAN SER DATA - GMLAN SER DATA + AIR INLET DRIVE MOTOR BATTERY TEMPERATURE SENSOR AIR OUTLET DRIVE MOTOR BATTERY TEMPERATURE SENSOR AUXILIARY FUSE BECM FAN FUSE 2 BLK WIRE BLK/YEL WIRE BLOCK (LEFT SIDE OF ENGINE COMPT) BLU WIRE COMPUTER DATA LINES SYSTEM COOL PUMP FUSE 6 COOL PUMP RELAY DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DRIVE MOTOR BATTERY TEMPERATURE SENSOR 1 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 2 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 3 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 4 DRIVE MOTOR GENERATOR BATTERY DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FROM DRIVE MOTOR BATTERY CURRENT SENSOR (DIAGRAM 4 OF 5) FROM DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE (DIAGRAM 4 OF 5) GENERATOR BATTERY VENT FAN GENERATOR BATTERY VENT FAN RELAY GENERATOR CONTROL MODULE TEMPERATURE SENSOR (RIGHT FRONT OF GRN WIRE HOT AT ALL TIMES LEFT GENERATOR CONTROL MODULE COOLANT PUMP (LEFT FRONT OF ENGINE COMPT) ORG/ WIRE PNK/DK BLU WIRE RED WIRE RED/WHT WIRE RIGHT GENERATOR CONTROL MODULE COOLANT PUMP (CENTER FRONT OF ENGINE COMPT) SENS REF SENS RTN SENS SIG TAN WIRE TAN/BLK WIRE WHT WIRE WHT/GRN WIRE YEL WIRE