Chevrolet Tahoe III (2006-2014) drain wire Wiring diagrams

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

1546 1947 1946 1999 FL AUD - LF AUD - 2099 7396 DRAIN WIRE 6978 2550 512 511 546 599 7066 340 LR AUD - GND RF AUD + LF AUD + AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BLUETOOTH WIRELESS COMUNICATION INTERFACE ANTENNA BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) COAX COAX COAX COMPUTER DATA GMLAN LINES SYSTEM DRAIN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) INFO FUSE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) KEYPAD SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 REAR SEAT ENT FUSE RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RR AUD + LR AUD + E SIG B+ RR AUD - LR AUD - SYSTEM TAN WIRE TAN/BLK WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VID MDE 2 VOICE SIG W/ ONSTAR W/O ONSTAR W/ RADIO ANTENNA W/O RADIO COAX ANTENNA COAX ANT SIG COAX W/ RADIO ANTENNA COAX NAV SIG WHT WIRE YEL/BLK WIRE

AMP CTRL BLK WIRE BLK) (OR LT GRN/ WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE CKP SIG HIGH CKP SIG LOW COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG GMLAN GRY WIRE IN RADIO CONNECTOR INFRARED REF INFRARED V INSIDE REARVIEW MIRROR (ISRVM) L INFRARED L SUBWFR - LF AUD + LF SPK - LR AUD + LR SPK + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT (OR LT GRN) WIRE LT GRN/WHT WIRE MICRO - NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BLK (OR LT GRN/BLK) WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RF AUD + RF SPK - RR AUD - RR SPK + SUBWOOFER SPEAKER TAN WIRE W/O EQUIPMENT LTZ SALES PACKAGE W/ EQUIPMENT LTZ SALES PACKAGE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 (PINS 8 TO 14 NOT USED) 15 16 17 18 19 20 17 6 PNK PNK 1444 6818 WIRE 5380 5346 REMOTE SIG DRAIN WIRE AUD LOW REF AUDIO/VIDEO ADAPTER BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN/WHT WIRE CADILLAC W/ ADDITIONAL DVD CAMERA SIG (+) LOW REF PNK (OR 7641) PNK WIRE CAMERA SIG (-) LOW REF (OR 7642) (OR 5152) CHEVROLET/GMC W/ ADDITIONAL DVD COMPUTER DATA LINES SYSTEM GMLAN CRUISE CONTROL REWD SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE L AUX VID R AUX VID DVD COMM DVD SIG FORW INFRARED TRANSMITTER L AUD SIG L DVD+ LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PAUSE PHONE PNK VIDEO SPLITTER CIRCUIT WIRE PNK WIRE PNK/BLK WIRE PPL PPL AUX VID H PPL/WHT WIRE R AUD SIG R DVD+ RADIO RES SIG RIGHT STEERING WHEEL CONTROL SWITCH SIGNAL SRCE TAN/WHT WIRE USB CABLE USB CABLE USB USB RECEPTACLE VEH SPD SIG ANTI-LOCK BRAKES SYSTEM VOL DN VOL UP VOLT WHT WIRE WHT/BLK WIRE YEL WIRE

AMP FUSE 41 ANTENNA AUD SIG AUD SIG (-) AUD SIG (-) BK COAX COAX BLK WIRE BLUETOOTH WIRELESS COMMUNI- CATION ANTENNA BRN WIRE BRN/WHT WIRE CELLULAR CELLULAR TELEPHONE MICROPHONE COAX COAX ANT SIG COAX PU NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND RF AUD (+) LF AUD (+) RR AUD (-) LR AUD (+) ENABLE SIG BATT GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INFO FUSE KEYPAD SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LOW REF (PINS: 7 TO 19 NOT USED) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RR AUD - LR AUD - SYSTEM TAN WIRE TAN/BLK WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VID MDE 2 VIDEO SPLITTER CIRCUIT VOICE SIG W/ ONSTAR W/O LUXURY EDITION W/O ONSTAR WHT WIRE YEL/BLK WIRE

AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CKP SIG HIGH CKP SIG LOW COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE F CENTER _ GMLAN GRY WIRE INFRARED CTRL INSIDE REARVIEW MIRROR (ISRVM) L INFRARED L SUBWFR - LF SPK - LOW REFR LR AUD + LR MID SPK - LR SPK + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MICRO - MICRO SIG + NAVIGATION SYSTEM NCA WIRE NOISE COMPENSATION MICROPHONE (FRONT LEFT OF CENTER CONSOLE) ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 18 19 PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RF SPK - RR AUD - RR MID SPK - RR SPK + SUBWOOFER SPEAKER TAN WIRE TAN/WHT WIRE W/O LTZ SALES PACKAGES W/ LTZ SALES PACKAGES WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 (PINS 8 TO 14 NOT USED) 15 16 17 18 19 20 17 6 PNK 1444 6818 WIRE ANTI-LOCK BRAKES SYSTEM AUD LOW REF AUDIO/VIDEO ADAPTER BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN/WHT WIRE CADILLAC W/ ADDITIONAL DVD CAMERA - LOW REF AUD SIG + CAMERA - LOW REF AUD SIG - DRAIN WIRE CHEVROLET/GMC W/ ADDITIONAL DVD COIL (EXCEPT TAHOE, ESCALADE: STEERING COLUMN) (STEERING COLUMN HARNESS) COMPUTER DATA LINES SYSTEM GMLAN CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE L AUX VID R AUX VID DRAIN WIRE VIDEO SIG DVD AUD SIG DVD AUD SH AUDIO SIG DRAIN WIRE DVD COMM DVD SIG FORW GRY WIRE INFRARED TRANSMITTER L AUD SIG L DVD+ LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PAUSE PHONE PNK PNK WIRE PNK PPL WIRE PNK TRANSMISSIONS SYSTEM WIRE PNK WIRE PNK/BLK WIRE PPL PPL AUX VID H PPL/WHT WIRE R AUD SIG R DVD+ RADIO REMOTE SIG DRAIN WIRE RES SIG REWD RIGHT STEERING WHEEL CONTROL SWITCH SIGNAL SPEED SIG SRCE TAN/WHT WIRE USB CABLE USB CABLE USB USB RECEPTACLE VIDEO SPLITTER CIRCUIT VOL DN VOL UP VOLT WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD + R AUD + DRAIN WIRE 1 2 3 4 5 6 7 8 9 L AUD - L AUD + R AUD + R AUD - GMLAN 1 2 3 B+ LF AUD + RF AUD + 4 5 PNK VOICE SIG LOW REF WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL GND LF AUD - RF AUD - DRAIN WIRE 7066 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) CELLULAR, NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX ANT SIG COAX COAX COAX NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND (PINS: 10-15 NOT USED) GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE INFO FUSE KEYPAD SIG L AUD - R AUD - DRAIN WIRE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LR AUD + RR AUD + VOICE SIG LR AUD - RR AUD - LOW REF VID MDE 2 LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VOICE SIG W/ ONE PIECE LIFTGATE W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

2501 2500 COMPUTER DATA LINES SYSTEM 465 945 239 1580 5986 ENGINE CONTROLS SYSTEM B+ RLY ENABLE BLK WIRE BODY MOUNT) (W/ 20 SERIES HYBRID) BODY MOUNT) TRAILER BRAKE CONTROL RELAY (UNDER LEFT REAR OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG TRL BRK RLY IGN 1 FUEL PUMP CTRL COMM DATA FRONT FUEL, FUEL PRESSURE SENDER ASSEMBLY SENSOR (EXCEPT 6.0L (VIN G)) FSCM FUSE 21 FUEL PUMP CTRL GMLAN - GMLAN + GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/ RUN/CRNK RELAY ENERGIZED LOW REF GMLAN - GMLAN + LOW REF RLY FEEDBACK PRESS SENS SIG GAIN SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 NCA WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM PPL RED/BLK WIRE RED/WHT WIRE STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STUD 2 FUSE 63 TAN WIRE TAN/BLK WIRE TCC BRK SIG TRAILER BRAKE CONTROL SWITCH TRAILER CONNECTOR (CENTER REAR OF VEHICLE) TRL BRK SIG TRL BRK SIG RLY FEEDBACK W/ 10 SERIES W/ 20 SERIES YEL WIRE YEL/BLK 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