Chevrolet Tahoe III (2006-2014) dk blu 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

ACCESSORY WAKE UP SERIAL DATA AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS + GMLAN SERIAL DATA BUS + GRN WIRE GROUND GRY WIRE INPUT SPEED SENSOR (ISS) INPUT SPEED SENSOR (ISS) SIGNAL ISS/OSS CTRL LT BLU WIRE NCA WIRE OUTPUT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK WIRE PPL RED WIRE TAN WIRE TAN/BLK WIRE TAP TOW/ UP/ HAUL TAP SW DOWN SIG SW SIG TFP SWITCH 1 VOLTAGE TFP SWITCH 3 VOLTAGE TFP SWITCH 4 VOLTAGE TFP SWITCH 5 VOLTAGE TOW/ HAUL SWITCH TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE

2 HI 2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND 5 VOL REF ENCODER SIG 8 VOL REF LOW REF SW SIG PPL AUTO AUX HVAC-IGN FUSE 48 B+ GND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE BRN/WHT WIRE CADILLAC GMC, CHEVROLET COMPUTER DATA LINES SYSTEM DATA SER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENCODER TRANSFER CASE ENCODER MOTOR (LEFT SIDE OF TRANSFER CASE) FRONT AXLE ACTUATOR (FRONT AXLE HOUSING) FRONT PROPSHAFT SPEED SENSOR (LEFT SIDE OF TRANSFER CASE) FUSE 19 GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN VOLT ILLUMINATION INSTRUMENT PANEL CLUSTER (IPC) LAMP LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOCK SOL CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 MOTOR CTRL B MOTOR CTRL A NCA WIRE NEUT NEUTRAL IND NEUTRAL IND CTRL ORG/ WIRE ORG/WHT WIRE PNK AWD IND CTRL AXLE ACTUATOR CTRL WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR (TRANSFER CASE EXTENSION HOUSING) RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE W/ ACTIVE TWO SPEED TRANSFER CASE CONTROL W/ HEATED STEERING WHEEL WAKE UP SIG WHT WIRE WHT/LT GRN WIRE YEL WIRE YEL/BLK WIRE

12 18 419 5985 MIL CTRL WAKEUP SERIAL DATA 13 14 39 DATA BUS - DATA BUS + IMS GND 13 5 6 5 2 3 PNK WIRE 51 72 2501 2500 GMLAN SERIAL DATA BUS - GMLAN SERIAL DATA BUS + 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 DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FUSE 19 GND IGN SER DATA GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN MIL IND LOGIC IGN VOLTAGE INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LO SIG LOW REFERENCE LT BLU/WHT WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PC SOLENOID 6 PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM 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 PRESSURE CONTROL (PC) SOLENOID VALVE 6 RED/WHT WIRE REPLICATED TOS SIG 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) TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) W/ ACTIVE TWO SPEED TRANSFER CASE CONTROL W/ HEATED STEERING WHEEL W/O ACTIVE TWO SPEED TRANSFER CASE CONTROL

ACCESSORY WAKE UP SERIAL DATA AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED SENSOR (OSS) ASSEMBLY AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL SYSTEM DK BLU WIRE FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS + GMLAN SERIAL DATA BUS + GRN WIRE GROUND GRY WIRE ISS/OSS SUPPLY VOLTAGE NCA WIRE ORG/WHT WIRE OUTPUT SPEED SENSOR (OSS) SIGNAL PNK WIRE PPL PPL/WHT WIRE RED WIRE TAN WIRE TAN/BLK WIRE TAP UP/ TAP DOWN SW SIG TFP SWITCH 1 VOLTAGE TFP SWITCH 3 VOLTAGE TFP SWITCH 4 VOLTAGE TFP SWITCH 5 VOLTAGE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE

2 HI 2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND 5 VOL REF ENCODER SIG 8 VOL REF LOW REF SW SIG PPL AUTO AUX HVAC-IGN FUSE 48 B+ GND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE BRN/WHT WIRE CADILLAC GMC, CHEVROLET COMPUTER DATA LINES SYSTEM DATA SER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENCODER TRANSFER CASE ENCODER MOTOR (LEFT SIDE OF TRANSFER CASE) FRONT AXLE ACTUATOR (FRONT AXLE HOUSING) FRONT PROPSHAFT SPEED SENSOR (LEFT SIDE OF TRANSFER CASE) FUSE 19 GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN VOLT ILLUMINATION INSTRUMENT PANEL CLUSTER (IPC) LAMP LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOCK SOL CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 MOTOR CTRL B MOTOR CTRL A NCA WIRE NEUT NEUTRAL IND NEUTRAL IND CTRL ORG/ WIRE ORG/WHT WIRE PNK AWD IND CTRL AXLE ACTUATOR CTRL WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR (TRANSFER CASE EXTENSION HOUSING) RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE W/ ACTIVE TWO SPEED TRANSFER CASE CONTROL W/ HEATED STEERING WHEEL WAKE UP SIG WHT WIRE WHT/LT GRN WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 MTR OPEN MTR CLOSE 1 2 3 4 5 6 LATCH MTR OPEN LATCH MTR CLOSE B+ B+ AJAR SW SIG OPEN/CLOSE SW BLK WIRE BRN WIRE BRN/WHT WIRE CHEVROLET/ GMC CADILLAC COMPUTER DATA LINES SYSTEM CONNECTOR ADAPTER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGAGE CTRL DIS ENGAGE CTRL GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIFTGATE CONTROL SWITCH LEFT LIFTGATE OBJECT SENSOR (LEFT EDGE OF LIFTGATE) LGM FUSE 71 LIFTGATE ACTUATOR ASSEMBLY LIFTGATE ACTUATOR CLUTCH LIFTGATE ACTUATOR MOTOR LIFTGATE ACTUATOR SWITCH LIFTGATE CLOSE SWITCH (BOTTOM RIGHT OF LIFT GATE) LIFTGATE HANDLE SWITCH LIFTGATE LATCH ASSEMBLY (CENTER OF LIFTGATE) LIFTGATE WINDOW AJAR SWITCH LIFTGATE WINDOW LATCH ASSEMBLY LOGIC LOW REF LT BLU WIRE LT BLU/WHT WIRE NCA WIRE OBS DET FUSE OPEN SW SIG RTN ORG/ WIRE PNK/BLK WIRE POWER LIFTGATE MODULE (LEFT REAR OF CARGO AREA) PPL PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT LIFTGATE OBJECT SENSOR (RIGHT EDGE OF LIFTGATE) SIG RTN POS SIG 1 POS SIG 2 SIG RTN SW OPEN SIG SW SIGNAL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM

10 VOLT REF 10 VOLT REF SENS LEFT SIG SENS RIGHT SIG LOW REFERENCE LOW REFERENCE BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ELEC RUN BOARD FUSE 65 GMLAN SERIAL GMLAN SERIAL DISABLE SIGNAL GRY WIRE HOT AT ALL TIMES I/P MULTI-FUNCTION SWITCH CHEVROLET, GMC CADILLAC LEFT RUNNING BOARD (UNDER LEFT SIDE OF VEHICLE) LOGIC ASSIST STEP CONTROL MODULE (UNDER LEFT CENTER OF VEHICLE) LT GRN WIRE ORG/ WIRE PNK WIRE PPL R CTRL RETRACT GROUND L CTRL EXTEND R CTRL EXTEND BATT L CTRL RETRACT RED/BLK WIRE RIGHT RUNNING BOARD (UNDER RIGHT SIDE OF VEHICLE) TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/O SIDE OBSTACLE DETECTION SENSOR W/ OBSTACLE DETECTION SENSOR YEL WIRE YEL/BLK WIRE

14 15 RR AJAR SW LR AJAR SW 2 3 5 8 9 10 B+ B+ GND BUS (+) BUS (-) GMLAN 2 8 12 17 B+ PRK LP SIG HDLP ON SIG HDLP OFF SIG 4 9 B+ GND 41 43 44 45 DRV SEAT SIG LOW REF LOW REF PASS SEAT SIG 450 (OR 451) 5 13 9 LOW REF LF AJAR SIG GMLAN 9 5 13 COMPUTER DATA LINES SYSTEM GMLAN LOW REF RF AJAR SIG BCM FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRAKE IND CHEVROLET/GMC CADILLAC COMPUTER DATA LINES SYSTEM DIM FUSE DK BLU WIRE DK GRN WIRE DLIS FUSE 35 DOOR DRIVER DOOR LATCH ASSEMBLY (DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH DRIVER INFORMATION CENTER DISPLAY (DIC) DRIVER SEAT BELT BUCKLE (DRIVER'S SEAT BELT BUCKLE) DRIVER SEAT BELT SWITCH GRY/BLK WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HYBRID EXCEPT HYBRID I/P FUSE BLOCK IGN IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) IS LAMPS FUSE KEY-IN SWITCH LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (LEFT REAR DOOR) LOGIC LOW TIRE PRESSURE IND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ORG/ WIRE PARK AUTO OFF PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH ASSEMBLY (FRONT PASSENGER'S PASSENGER DOOR LOCK/WINDOW SWITCH PNK WIRE PNK/BLK WIRE PPL PRK BRK SW RADIO RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY (RIGHT REAR DOOR) RUN WIRE SEAT BELT IND SERIAL DATA STOP LAMPS FUSE SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM PNK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) W/O NON- BUCKET INDIVIDUAL SEAT W/ NON-BUCKET INDIVIDUAL SEAT W/O NON-BUCKET FRONT INDIVIDUAL SEAT W/ NON-BUCKET FRONT INDIVIDUAL SEAT WHT WIRE YEL WIRE