Chevrolet Tahoe III (2006-2014) ground distribution system Wiring diagrams

27 28 GMLAN SERIAL DATA BUS - GMLAN SERIAL DATA BUS + 68 18 1 MIL CTRL WAKE UP SERIAL DATA PARK/NEUTRAL SIG 71 72 REPLICATED TOS SIG SIGNAL RETURN AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUX HVAC-IGN FUSE 48 B+ GND BRAKE SW SIG BLK/WHT WIRE BRN/WHT WIRE CADILLAC GMC, CHEVROLET COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY (DIC) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE 19 GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN IGN VOLTAGE INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOW REFERENCE LT BLU/WHT WIRE LT GRN/BLK WIRE MIL IND MISC-IGN FUSE 43 ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PNK WIRE PPL/WHT WIRE PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED/WHT WIRE REPLICATED TOS SIG SER DATA SHIFT SOLENOID (SS) 1 CONTROL SHIFT SOLENOID (SS) 2 CONTROL SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TO CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOW/ HAUL IND TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) W/ ACTIVE CONTROL TRANSFER CASE W/O ACTIVE CONTROL TRANSFER CASE

ABS-1 FUSE 61 BLK ORG/ WIRE BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BODY MOUNT) BRAKE APPLIED SIG SERIAL DATA GND IGN VOLT LOW REF STEERING ANG SENS SIG BRAKE MASTER CYLINDER PISTON POSITION SENSOR (ON BRAKE MASTER CYLINDER) BRAKE PRESSURE MODULATOR VALVE (BPMV) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-IGN FUSE 56 ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 HOT AT ALL TIMES HOT W/ RUN/ CRNK RELAY ENERGIZED IGN VOLT LF WHEEL SENS SIG ACCELERATION SENS GND LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE RADIO RED WIRE RED/BLK WIRE STEERING ANG SENS B PTLAN - PTLAN - HI GMLAN - HI GMLAN - B+ STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SIG PTLAN + PTLAN + SENS SIG HI GMLAN + HI GMLAN + GND VSS W/ LUXURY EDITION W/O LUXURY EDITION YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER'S SEAT) YEL WIRE YEL/BLK WIRE

ABS-1 FUSE 61 ABS-2 FUSE 9 BLK WIRE BLK/WHT WIRE BRAKE PRESSURE MODULATOR VALVE (BPMV) BRK SENS VEH SPD SIG LOW REF GND GMLAN - GMLAN - BRN WIRE CAN H GND COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR (WSS) (LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (WSS) (LEFT REAR WHEEL HUB ASSEMBLY) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MOUNT) NCA WIRE ORG/ WIRE ORG/BLK WIRE RADIO RED WIRE RED/BLK WIRE RF WHL SENS RF WHL SENS RR WHL SENS LR WHL SENS LF WHL SENS RIGHT REAR WHEEL SPEED SENSOR (WSS) (RIGHT REAR WHEEL HUB ASSEMBLY) STEERING ANGLE SENS STEERING ANGLE SENS A TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSS W/ LUXURY EDITION W/O LUXURY EDITION YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER'S SEAT) YEL WIRE YEL/BLK WIRE

ABS-1 FUSE 61 BLK WIRE BLK/WHT WIRE BRAKE PRESSURE MODULATOR BRN WIRE COMM DATA COMPUTER DATA LINES SYSTEM DIMMING CTRL CAN BUS HI DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) GND GMLAN+ GMLAN+ LF WHEEL SENS CTRL LF WHEEL SENS SIG GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 HOT AT ALL TIMES LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/BLK WIRE RADIO RED WIRE RED/BLK WIRE SERIAL DATA B+ GMLAN- GMLAN- LOW REF RF WHEEL SENS CTRL STEERING ANG SENS B CAN BUS LOW STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VALVE (BPMV) VSS W/ LUXURY EDITION W/O LUXURY EDITION YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER'S SEAT) YEL WIRE YEL/BLK 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

1 2 3 4 5 6 7 8 9 10 11 12 13 LOW REF 1 2 3 MTR PHASE V MTR PHASE W MTR PHASE U 5 VOLT REF ACCESSORY DC POWER CONTROL MODULE (TOP OF ENGINE) AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLU WIRE BLUNT CUT) BRAKE MASTER CYLINDER PISTON POSITION SENSOR (ON BRAKE MASTER CYLINDER) BRN WIRE CADILLAC GMC, CHEVROLET COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRAIN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ELECTRIC POWER STEERING (EPS) MOTOR ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) EPS FUSE 7 GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN DATA BUS+ HI SPD GMLAN DATA BUS+ HI SPD GMLAN DATA BUS- B+ HI SPD GMLAN DATA BUS+ HI SPD GMLAN DATA BUS- HI SPD GMLAN DATA BUS- SER DATA ENABLE HOT AT ALL TIMES HYBRID W/ VACUUM POWER BRAKES W/ HYDRAULIC POWER BRAKES IN SHAFT COS IN SHAFT SIN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOW REF LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE OUT SHAFT COS OUT SHAFT SIN POWER STEERING ASSIST MOTOR (LOWER FRONT OF ENGINE COMPT) POWER STEERING DYNAMIC BRAKE CIRCUIT POWER STEERING MOTOR ROTATIONAL SENSOR POWER STEERING SHAFT TORQUE SENSOR RED WIRE RED/WHT WIRE RESOLVER COS RESOLVER SIN STEERING ANGLE SENS PHASE A STEERING ANGLE SENS PHASE B STEERING ANGLE SENS PHASE C STEERING ANGLE SENS SIGNAL STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1050 1639 PNK WIRE ABS IND. AIR BAG IND AUX HVAC-IGN FUSE 48 B+ SW SIG BLK WIRE BLK/WHT WIRE BRAKE IND BRN WIRE BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE IND DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ELECTRONIC COMPASS MODULE (LEFT REAR OF HEADLINER) ENGINE CONTROL SYSTEM ENGINE COOLANT TEMPERATURE GAUGE FOG LAMP IND FUEL GAUGE FUSE GROUND DISTRIBUTION SYSTEM HEATED STEERING WHEEL CONTROL MODULE (IN STEERING WHEEL) HIGH BEAM IND HOT AT ALL TIMES IGN IGN VOLT SERIAL DATA INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (EXCEPT TAHOE: STEERING COLUMN) INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM IPC FUSE 46 LED CTRL ON IND CTRL OFF IND CTRL SENS SIG IND CTRL GND LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT I/P JUNCTION BOX (LEFT END OF DASH) LEFT TURN IND LIN BUS GROUND IGN LOGIC MALFUNCTION IND (MIL) MENU SW SIG MIL CTRL LOW REF SEAT BELT IND NCA WIRE OIL GAUGE OIL PRESSURE IND PARK LAMPS IND PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT TURN IND RUN/ CRANK RELAY SEAT BELT IND SECURITY IND SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TAN WIRE TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL IND TRANSMISSION TEMP GAUGE TRIP ODOMETER UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VOLTS W/ HEATED W/O HEATED STEERING STEERING WHEEL WHEEL WAIT TO START IND WIPER/WASHER SYSTEM YEL 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

1 3 DN CNTRL UP CNTRL 3 9 LIN BUS GMLAN 6 2 5 GROUND B+ SIG RTN 6 5 3 1 GROUND SIG RTN DN CNTRL UP CNTRL 9 3 GMLAN LIN BUS B+ SIG RTN LIN BUS BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR LOCK/WINDOW SWITCH DRIVER WINDOW DRIVER WINDOW MOTOR (GMC/CHEVROLET) (DRIVER'S DOOR) DRIVER WINDOW SWITCH EXPRESS DN EXPRESS DOWN DOWN GMC/CHEVROLET CADILLAC GROUND GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES RT DOORS CIRCUIT BREAKER I/P FUSE BLOCK (LEFT END OF DASH) ILLUMINATION LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW MOTOR (LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LO-SPEED SERIAL DATA LOCKOUT CNTRL DOWN LOCKOUT INDICATOR DN LOCKOUT SW LOGIC LOGIC DRIVER WINDOW MOTOR (CADILLAC) (DRIVER'S DOOR) LOGIC LOCKOUT SIG LOGIC PASSENGER WINDOW MOTOR (CADILLAC) (FRONT PASSENGER'S DOOR) LT BLU/WHT WIRE LT DR CIRCUIT BREAKER LT GRN WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER WINDOW MOTOR (GMC/CHEVROLET) (FRONT PASSENGER'S DOOR) PPL PWR WND LOCKOUT RR SIG PWR WND LOCKOUT SIG PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG RED/WHT WIRE RIGHT REAR WINDOW MOTOR (RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH SIG RTN B+ LIN BUS SWITCH POWER TAN WIRE UP EXPRESS DOWN DOWN UP SIG DN SIG DN CNTRL UP CNTRL UP SIG DN SIG UP CNTRL DN CNTRL PPL WINDOW LR WINDOW PASSENGER WINDOW RR WINDOW SWITCH PASSENGER

13 11 IGN VOLT IGN VOLT 2 3 4 5 6 7 8 9 10 GROUND SW EXPRESS SIG BLK WIRE BRN WIRE BRN/WHT WIRE CLOSE DK GRN WIRE EXPRESS CLOSE EXPRESS OPEN GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES IGN VOLT ILLUMINATION LAMP LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) ROOF OPEN SIG VENT CLOSE SIG ROOF CLOSE SIG VENT OPEN SIG PNK WIRE S/ROOF FUSE 34 SUNROOF CONTROL MODULE SUNROOF MOTOR SUNROOF SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VENT W/ ELECTRIC SUNROOF W/O ELECTRIC SUNROOF WHT WIRE YEL WIRE