Chevrolet Tahoe III (2006-2014) underhood fuse block (left side of engine compt) Wiring diagrams

BLK WIRE BRN/WHT WIRE DK GRN WIRE HOT AT ALL TIMES I/P LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) PDM FUSE FUSE BLOCK (LEFT END OF DASH) POLICE PROVISION (BLUNT CUT) GROUND DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) ROOF BEACON RELAY (IN OVERHEAD CONSOLE) ROOF BEACON SWITCH (IF EQUIPPED) S/ROOF FUSE 33 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ SLIDING ROOF RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) WHT 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

24 37 38 15 27 25 15 27 38 GMLAN HI SPD (-) GMLAN HI SPD (+) GROUND ABS-1 FUSE 61 ABS-2 FUSE 9 ANTI-LOCK BRAKES SYSTEM BLK WIRE BODY MOUNT) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT SUSPENSION POSITION SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT REAR SUSPENSION POSITION SENSOR (FORWARD OF REAR AXLE, ON LEFT FRAME RAIL) LEFT REAR WHEEL SPEED SENSOR (WSS) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL PPL 2 3 PPL/WHT WIRE RED WIRE RIGHT FRONT SUSPENSION POSITION SENSOR (RIGHT SIDE OF ENGINE COMPT) RIGHT FRONT WHEEL SPEED SENSOR (WSS) RIGHT REAR WHEEL SPEED SENSOR (WSS) ST ANG SENS STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL 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

B+ SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR EXCEPT 6.0L (VIN J) EXCEPT HYBRID HYBRID EXTERIOR COURTESY LAMP DRIVER OUTSIDE REARVIEW MIRROR EXTERIOR ILLUMINATION LAMP PASSENGER OUTSIDE REARVIEW MIRROR FROM LEFT TAIL/STOP LAMP (DIAGRAM FROM LT PRK FUSE 26 (DIAGRAM 1 OF 2) GRD GRN WIRE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) INSTRUMENT PANEL CLUSTER IPC FUSE 46 LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT TURN IND LEFT TURN SIGNAL REPEATER LAMP LOGIC LOW REF LOWER RIGHT TAIL/STOP, TURN SIGNAL LAMP LT BLU WIRE LT BLU/WHT WIRE MIRROR MJR RIGHT TAIL/ TURN SIGNAL LAMP MNR MNR MJR RIGHT TAIL/ STOP LAMP ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH LOW REF PASSENGER OUTSIDE REARVIEW POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT BACKUP LAMP RIGHT END OF DASH) RIGHT FRONT SIDE MARKER LAMP RIGHT I/P JUNCTION BLOCK RIGHT PARK/ TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL/ STOP LAMP RIGHT TURN IND RIGHT TURN SIGNAL REPEATER LAMP RT PRK FUSE 27 SERIAL DATA TRAILER PROVISION (BLUNT CUT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPPER RIGHT TAIL/STOP, TURN SIGNAL LAMP W/ ENLARGED TURN SIGNAL LAMP W/ HEATED FOLDING MIRROR W/ ONE PIECE LIFTGATE W/ W/O HEATED HEATED FOLDING FOLDING MIRROR MIRROR W/O HEATED FOLDING MIRROR W/O ONE PIECE LIFTGATE WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE DEFOG IND HOT AT ALL TIMES GENERATOR INLINE FUSE IGN LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C POWER DISTRIBUTION SYSTEM PPL REAR DEFOG FUSE 50 REAR DEFOG RELAY REAR DEFOG RELAY CTRL REAR DEFOG SWITCH REAR REAR WINDOW WINDOW DEFOGGER DEFOGGER GRID GRID RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ONE PIECE PPL LIFTGATE, LIFTGLASS W/O ONE PIECE LIFTGATE, LIFTGLASS WHT WIRE

18 19 PNK PNK WIRE 18 19 PNK WIRE BLK WIRE BLK/WHT WIRE BODY MOUNT) BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRN/WHT WIRE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE IND FRONT FUEL PUMP, SENDER ASSEMBLY (6.0L) (PRIMARY FUEL PUMP ASSEMBLY) FUEL INJECTORS (TOP LEFT OF ENGINE) FUEL INJECTORS (TOP RIGHT OF ENGINE) GMC/CHEVROLET GND IGN B+ IGN MALFUNCTION INDICATOR LAMP GRY WIRE HOT W/ RUN/ CRANK RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 ORG/BLK WIRE PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL/BLK WIRE

ACCELERATOR PEDAL BANK 1 SENSOR 1 (UNDER LEFT SIDE OF ENGINE COMPT, IN EXHAUST) BANK 1 SENSOR 2 (UNDER LEFT SIDE OF ENGINE COMPT, IN EXHAUST) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 12 ECM-IGN FUSE 56 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE (ON EVAP CANISTER) EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM FAN RLY CTRL VENT SOL CTRL FSCM FUSE 21 FUEL PRESSURE SENSOR GMC/CHEVROLET CADILLAC GRY WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY ENERGIZED IGN B+ DATA ENGINE OIL PRESSURE MIL IND IND INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 KNOCK SENSOR (KS) 1 (LEFT SIDE OF ENGINE) LOGIC LOW REF LOW REF PPL LT BLU WIRE LT BLU/WHT WIRE MIL CTRL PUMP RLY CTRL NCA WIRE PEDAL SW SIG AJAR SW SIG LOW REF PNK PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE POSITION (APP) SENSOR (ACCELERATOR PEDAL ASSEMBLY) POWER DISTRIBUTION SYSTEM PPL PPL HOOD SW SIG PPL LEVEL SENS SIG PPL/WHT WIRE RED/WHT WIRE RLY COIL CTRL FAN RLY CTRL PPL SENS 1 SIG PRESS SENS SIG SENS 2 SIG TAC MTR CTRL 1 TAC MTR CTRL 2 IGN VOLT PHASOR CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM- BATT FUSE 14 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WAKE-UP SIG IGN VOLT B+ VOLT PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BANK 1 SENS 1 BANK 2 SENS 1 BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM/THROT CONT FUSE 5 ENG FUSE 4 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG IGN COIL 2 CTRL IGN COIL 3 CTRL IGN COIL 4 CTRL IGN COIL 5 CTRL IGN COIL 6 CTRL IGN COIL 7 CTRL IGN COIL 8 CTRL IGN VOLT INJ-A FUSE 24 INJ-B FUSE 13 INJECTOR 1 CTRL INJECTOR 2 CTRL INJECTOR 3 CTRL INJECTOR 4 CTRL INJECTOR 5 CTRL INJECTOR 6 CTRL INJECTOR 7 CTRL INJECTOR 8 CTRL LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MAF SENS SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POS SENS SIG PPL PPL/WHT WIRE PRESS SENS SIG PWR/ TRN RELAY SENS 1 SIG SENS 2 SIG SNSR FUSE 18 SNSR FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C COMPRESSOR (RIGHT FRONT OF ENGINE) ACCESSORY DC POWER CONTROL MODULE (TOP OF ENGINE) AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP (UNDER FRONT OF TRANSMISSION) BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) HOT W/ RUN/CRANK RELAY ENERGIZED IGN VOLT LT BLU WIRE NCA WIRE ORG/ WIRE PHASE U PHASE V PHASE W PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER STEERING DYNAMIC BREAK CIRCUIT PPL PTLAN- RED WIRE TRANS IGN 1 FUSE 19 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP SIG YEL WIRE