Chevrolet Astro I (1985-2005) instrument panel cluster Wiring diagrams

650 442 GROUND FUSE OUTPUT ABS FUSE ABS IND. BLK WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE PRESSURE MODULATOR VALVE ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK GRN WIRE FUSE OUTPUT LF WHL SPD SENS RET RF WHL SPD SENS SIG GRY WIRE HOT AT ALL TIMES HOT IN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL PPL BRAKE FLUID LVL SW PPL BRAKE SW OUTPUT SERIAL DATA RADIO BATT FUSE 19 RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RUN WIRE SPLICE PACK STOP LAMP SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TCC BRAKE SW/ CRUISE CTRL RELEASE SIG PPL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF FIREWALL) VEHICLE SPEED OUT VSS LF WHL SPD SENS SIG RF WHL SPD SENS RET YEL WIRE YEL/BLK WIRE

BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) CLASS 2 SERIAL DATA GAUGES FUSE 4 GROUND B+ SERIAL DATA GROUND IGNITION GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (IN STEERING COLUMN, NEAR LOCK CYLINDER) PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (BELOW UNDERHOOD FUSE BLOCK, ON LEFT SIDE OF FIREWALL) RADIO BATT FUSE 19 RED/WHT WIRE SECURITY HALL EFFECT SENSOR SECURITY INDICATOR SERIAL DATA SERIAL DATA LOW REF PASSLOCK SIG SPLICE PACK TAMPER HALL EFFECT SENSOR TBC FUSE 15 YEL WIRE

59 58 DATA CLSS 2 DATA CLSS 2 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ABOVE RADIO) CONVENIENCE CENTER (LEFT OF I/P FUSE BLOCK) DATA CLSS 2 DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER GRY WIRE HOT AT ALL TIMES AUX POWER FUSE 7 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INSTRUMENT PANEL CLUSTER LT BLU WIRE LT GRN WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (BELOW UNDERHOOD FUSE BLOCK, ON LEFT SIDE OF FIREWALL) PPL SPLICE PACK TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LEFT KICK PANEL) WHT WIRE YEL WIRE

AUXILIARY HEATER BLOWER MOTOR SWITCH AUXILIARY A/C BLOWER MOTOR SWITCH BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) CONVENIENCE CENTER (LEFT OF I/P FUSE BLOCK, BY LEFT KICK PANEL) DIM STAT DK GRN WIRE DRIVER INFORMATION CENTER (DIC) GARAGE DOOR OPENER GRY WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HVAC CONTROL ASSEMBLY I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) ILLUM FUSE 14 INSTRUMENT PANEL CLUSTER INTERIOR LAMP DIMMER LED DIM ORG/ WIRE PARK LAMPS SWITCH PK LPS FUSE 9 PPL PPL/WHT WIRE RADIO RADIO LED DIM SIG REAR SEAT AUDIO (RSA) CONTROLLER (ON LEFT SIDE OF VEHICLE, BEHIND "B" PILLAR) REAR WINDOW WIPER/ WASHER SWITCH RED WIRE REMOTE PLAYBACK DEVICE TAN WIRE W/ REAR RADIO CONTROL ONLY WHT WIRE

A/C COMP FUSE HORN FUSE A/C ENABLE RELAY ABS FUSE ATC FUSE AUDIO AMPLIFIER AUX PWR FUSE 7 AUXILIARY POWER OUTLET (REAR) AUXILIARY POWER OUTLETS-FRONT 1&2 AUXILIARY REAR A/C RELAY BATT FUSE BATTERY BLK WIRE BLOWER MOTOR RESISTOR ASSEMBLY CIG LTR FUSE 13 CIGAR LIGHTER CONVENIENCE CENTER DATA LINK CONNECTOR (DLC) DK BLU WIRE DK GRN WIRE DOOR LOCK SWITCH- DRIVER DOOR LOCK SWITCH- FRONT PASSENGER ECM-B FUSE ELECTRONIC BRAKE CONTROL MODULE (EBCM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID FROM ABS FUSE (DIAGRAM 1 OF 3) FROM FUSE BLOCK-I/P) FRT HVAC FUSE FUEL PUMP RELAY FUSE BLOCK- I/P FUSE BLOCK- UNDERHOOD FUSIBLE LINK GENERATOR HEADLAMP, PANEL DIMMER SWITCH HORN RELAY HTD MIR/ RR DEFOG FUSE HVAC CONTROL ASSEMBLY HEADLAMPS RELAY FUSE BLOCK- UNDERHOOD I/P FUSE BLOCK INSTRUMENT PANEL CLUSTER LIFTGATE LOCK/ UNLOCK RELEASE SWITCH LIGHTING FUSE MULTI- FUNCTION TURN SIGNAL LEVER STOP LAMP SWITCH NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PARK LAMP RELAY CONVENIENCE CENTER INADVERTENT POWER RELAY RELAY BLOCK 1 PASSENGER VAN POWERTRAIN CONTROL MODULE (PCM) PWR ACCY C.B. PWR ADJ MIR FUSE 21 CTSY FUSE 3 PK LPS FUSE 9 RADIO RADIO BATT FUSE 19 RAP FUSE RED WIRE RELAY BLOCK 1 REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) HEADLAMP DIMMER SWITCH RR HTR/AC FUSE SEAT ADJUSTER SWITCH- DRIVER DOOR LOCK RELAY STARTER SOLENOID STOP/HAZ FUSE 1 TBC FUSE 15 TO ILLUM FUSE 14 (DIAGRAM 3 OF 3) BODY CONTROL MODULE (BCM) TO LIGHTING FUSE TO RAP RELAY (DIAGRAM 3 OF 3) TO UPFITTER-BATT FUSE (DIAGRAM 2 OF 3) TRANSFER CASE SHIFT CONTROL MODULE UNDERHOOD FUSE BLOCK

19 20 21 PNK WIRE A/C REQ A/C SYSTEM ABS SYSTEM (SPEED SIGNAL) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COIL DRIVER COIL WIRE CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM (SPEED SIGNAL) CRUISE ENG DISTRIBUTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP PURGE EVAP VENT MIL CTRL 2-3 SS 1-2 SS VSS OUT VSS OUT TFT SENS SIG FUEL LEV CYC SW IN GEN F DUTY SIG IAC COIL B HI IAC COIL B LO IAC COIL A LO IAC COIL A HI GEN L GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK IAT LOW REF IDLE AIR CONTROL VALVE (LEFT REAR OF THROTTLE BODY) IGN IGNITION COIL IGNITION CONTROL MODULE (TOP OF ENGINE) FRONT OF COIL) INSTRUMENT PANEL CLUSTER INTAKE AIR TEMPERATURE SENSOR (TOP OF AIR INTAKE DUCT) LOGIC LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF SENS SIG MAP SIG MALFUNCTION INDICATOR LAMP ORG/ WIRE PC SOL HI PC SOL LO FUEL PMP PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF FIREWALL) PPL/WHT WIRE PRND C TRANS RNG A FTP SENS SIG PNK WIRE RADIO BATT FUSE 19 RED WIRE RED/BLK WIRE STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL A/C CLU TIMING TP SIG IAT SIG IC TIMING CTRL VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) VSS LOW VSS HIGH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE