Chevrolet Colorado I (2004-2012) data bus - Wiring diagrams

1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOL CTRL 2-3 SHIFT SOLENOID (SS) VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION INPUT SPEED (ISS) SENSOR AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (RIGHT REAR OF ENGINE COMPT) GRY WIRE GRY/WHT WIRE HI SPD SERIAL DATA - HI SPD SERIAL DATA + HOT AT ALL TIMES HOT W/ RUN/ CRNK RELAY ENERGIZED IGN SERIAL DATA IGN VOLT IGNITION SWITCH LO REF TRANS RANGE SW B LOGIC INSTRUMENT PANEL CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NEUTRAL SIG OFF ORG/ WIRE ORG/BLK WIRE PARK PNK WIRE PPL PPL/WHT WIRE PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE RED/BLK WIRE RUN WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL VALVE CTRL TCM (LEFT FRONT SIDE FUSE OF ENGINE COMPT) TFT SENS SIG TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TRANS FUSE TRANS RANGE SW A LO REF IGN VOLT B+ TRANS RANGE SW C TRANSFER CASE) TRANSMISSION TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK UP SHIFT IND VEHICLE SPEED SENSOR (VSS) VSS LO SIG PC SOL VALVE LO CTRL WHT WIRE YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION (IF EQUIPPED) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BACKUP FUSE BACKUP LAMP RELAY BACKUP LAMP SWITCH BACKUP LP CNTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT KICK PANEL) BRN WIRE CH ST BELT SW COMPUTER DATA LINES SYSTEM DATA BUS - DK GRN WIRE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR (ISRVM) (IF EQUIPPED) LEFT BACKUP LAMP GROUND DISTRIBUTION SYSTEM LT GRN WIRE MODULE (TCM) ORG/ WIRE P/N SIG PNK 39 1524 WIRE PNK WIRE RED WIRE SRL DATA - SRL DATA + SW SIG P SW SIG C SW SIG B SW SIG A TAN WIRE TAN/WHT WIRE TRAILER CONNECTOR RIGHT (IF EQUIPPED) BACKUP LAMP TRAILER LIGHTING CONVERTER TRANSMISSION CONTROL UNDERHOOD FUSE BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) W/ HD TRUNK TRAILER WIRING HARNESS W/ TRAILER CONNECTER W/O TRAILER CONNECTER WHT WIRE YEL WIRE

11 10 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 2 1 PPL 2 SPEED 22 23 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 6 5 PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA A/T AUX PWR 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT KICK PANEL) DATA BUS - DATA LINK CONNECTOR (DLC) (LOWER LEFT SIDE OF DASH) DATA LINK RESISTOR DIGITAL RADIO RECEIVER (CENTER OF DASH) ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (RIGHT REAR OF EXCEPT 2 SPEED GENERATOR BATTERY CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR BATTERY) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BENEATH CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) M/T ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL PPL CLASS 2 SERIAL DATA PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL W/ ONSTAR PPL W/O ONSTAR RADIO SERIAL DATA SERIAL DATA - SERIAL DATA + SERIAL DATA + SERIAL DATA - TAN WIRE TAN/WHT WIRE TRANSFER CASE SHIFT CONTROL MODULE (UNDER DRIVER SEAT CARPET) TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (RIGHT SIDE OF DASH)

5 VOLT REF ABS BRAKE SW SIG AIR PUMP AIR PUMP RELAY BATT POS VOLT BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ETC FUSE FSCM FUSE FUEL PUMP FLOW CONTROL MODULE FUSE GROUND GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) IGN VOLT IGNITION VOLT LOW REFERENCE NCA WIRE ORG/ WIRE PCM B FUSE PNK PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PRESS SENS SIG PUMP REL CTRL PUMP SUPP VOLT PWR/ TRN RELAY RED WIRE SECONDARY AIR INJECTION (AIR) PUMP SECONDARY AIR INJECTION (AIR) PUMP FUSE BLOCK SHIELD EXTENSION SNSR FUSE STOP LAMP SWITCH (ABOVE BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

5 VOLT REF AIR PUMP FUSE BLOCK (IF EQUIPPED) FUSE (RIGHT FRONT OF ENGINE COMPT) AIR PUMP RELAY BATT POS VOLT BLK WIRE BRN WIRE BRN/WHT WIRE CLSTR FUSE COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU/WHT WIRE DK GRN/WHT WIRE ETC FUSE SNSR FUSE FSCM FUSE FUEL PUMP FLOW CONTROL MODULE GROUND GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) IGN VOLT IGNITION VOLT INJECTION (AIR) PUMP RELAY LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW REFERENCE MIL IND NCA WIRE ORG/ WIRE PCM B FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PRESS SENS SIG PUMP REL CTRL PUMP SUPP VOLT PWR/TRN RELAY RED WIRE SECONDARY AIR INJECTION (AIR) PUMP SECONDARY AIR INJECTION (AIR) PUMP (LOWER RIGHT FRONT OF ENGINE COMPT) SERIAL DATA SHIELD EXTENSION TAN WIRE TAN/WHT WIRE YEL WIRE

5 VOLT REF BATT POS VOLT BLK WIRE BRN WIRE BRN/WHT WIRE CLSTR FUSE COMPUTER DATA LINES SYSTEM DATA BUS - DK GRN/WHT WIRE ENGINE OIL IND ETC FUSE FUSE FSCM FUSE FUEL PRESSURE SENSOR FUEL PUMP FLOW CONTROL MODULE (REAR OF FRAME ABOVE SPARE TIRE) GROUND GRY WIRE HOT AT ALL TIMES IGN VOLT IGNITION VOLT LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW REF LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (TOP FRONT OF ENGINE) MIL IND NCA WIRE ORG/ WIRE ORG/BLK WIRE PCM B FUSE PNK PNK PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PRESS SENS SIG PUMP REL CTRL PUMP SUPP VOLT PWR/TRN RELAY 81 SERIAL DATA SHLD EXTENSION TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) YEL WIRE