Chevrolet Astro I (1985-2005) ground Wiring diagrams

1 2 3 4 BATTERY SRL DATA BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) BREAKOUT) CIG LTR FUSE 13 CONVENIENCE CENTER (LEFT OF I/P FUSE BLOCK, BY LEFT KICK PANEL) DOOR LOCK RELAY (BEHIND RIGHT KICK PANEL) DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK SWITCH DRIVER DOOR UNLOCK RELAY FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER DOOR LOCK SWITCH GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LOCK LT BLU WIRE LT GRN WIRE NOT USED ORG/ WIRE PWR-ACCY CIRCUIT BREAKER REAR DOOR LOCK MOTOR REAR DOOR UNLOCK RELAY RELAY BLOCK 1 (BEHIND LEFT SIDE OF DASH) REMOTE CONTROL DOOR LOCK RECEIVER (LEFT OF INSTRUMENT CLUSTER) SIDE DOOR CONTACT PLATE SIDE DOOR LOCK MOTOR SIDE DR UNLK RLY CTRL LF DR UNLK RLY CTRL TAN WIRE TBC FUSE 15 UNLOCK UNLOCK SIGNAL LOCK SIGNAL SERIAL DATA W/ REMOTE KEYLESS ENTRY W/O REMOTE KEYLESS ENTRY WHT WIRE

1 2 3 4 BATTERY SRL DATA BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) CIG LTR FUSE 13 CONVENIENCE CENTER (LEFT OF I/P FUSE BLOCK, BY LEFT KICK PANEL) DOOR LOCK RELAY (BEHIND RIGHT KICK PANEL) DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK SWITCH DRIVER DOOR UNLOCK RELAY FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER DOOR LOCK SWITCH GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LIFTGATE LOCK/ UNLOCK RELEASE SWITCH LOCK LT BLU WIRE LT GRN WIRE NOT USED ORG/ WIRE PWR-ACCY CIRCUIT BREAKER REAR DOOR LOCK MOTOR REAR DOOR UNLOCK RELAY REAR DR UNLK RLY CTRL LF DR UNLK RLY CTRL RELAY BLOCK 1 (BEHIND LEFT SIDE OF DASH) RELEASE REMOTE CONTROL DOOR LOCK RECEIVER (LEFT OF INSTRUMENT CLUSTER) SIDE DOOR CONTACT PLATE SIDE DOOR LOCK MOTOR TAN WIRE TBC FUSE 15 TRUNK/TAILGATE/ FUEL DOORS SYSTEM TRUNK/TAILGATE/ FUEL DOORS SYSTEM PPL UNLOCK UNLOCK SIGNAL LOCK SIGNAL SERIAL DATA W/ REMOTE KEYLESS ENTRY W/O REMOTE KEYLESS ENTRY WHT WIRE

1 2 3 4 5 6 7 8 9 10 LF (-) LF (+) RF (-) RF (+) GRD DISPLAY DIM SIG PANEL LIGHT ANTENNA COAXIAL CABLE AUDIO AMPLIFIER (LEFT CENTER OF VEHICLE, BEHIND TRIM PANEL) AUX PWR FUSE 7 BLK WIRE BLU WIRE BRN WIRE CLR DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT ENGINE CONTROLS SYSTEM GROUND GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) IGNITION VOLTAGE B+ LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER SPEAKER LEFT REAR SPEAKER LEFT REAR SUB-WOOFER SPEAKER LR (-) RR (-) LR SW SPKR (+) LR SW SPKR (-) RR SW SPKR (+) RR SW SPKR (-) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL/WHT WIRE RADIO RADIO BATT FUSE 19 RDO ACCY FUSE 2 REMOTE PLAY- BACK DEVICE RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER SPEAKER RIGHT REAR SPEAKER RIGHT REAR SUB-WOOFER SPEAKER TAN WIRE VSS OUTPUT RR (-) RR (+) LR (-) LR (+) YEL WIRE

1 2 3 4 5 6 7 8 9 10 LF (-) LF (+) RF (-) RF (+) GRD DISPLAY DIM SIG PANEL LIGHT 11 12 13 14 15 16 17 18 19 20 PNK RADIO SIG ON REM RDO CNTRL WIRE ANTENNA COAXIAL CABLE AUDIO AMPLIFIER (LEFT CENTER OF VEHICLE, BEHIND TRIM PANEL) AUX PWR FUSE 7 BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM EXTERIOR LAMPS SYSTEM GROUND GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) IGN VOLTAGE IGNITION VOLTAGE B+ LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER SPEAKER LEFT REAR SPEAKER LEFT REAR SUB-WOOFER SPEAKER LR (-) LR (-) RR (-) LR SW SPKR (+) LR SW SPKR (-) RR SW SPKR (+) RR SW SPKR (-) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE RADIO RADIO BATT FUSE 19 RADIO SIG ON RDO ACCY FUSE 2 REAR SEAT AUDIO (RSA) CONTROLLER (LEFT SIDE OF VEHICLE, BEHIND "B" PILLAR) REM RDO CNTRL REMOTE CD PLAYER RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER SPEAKER RIGHT REAR SPEAKER RIGHT REAR SUB-WOOFER SPEAKER RR (-) RR CHNL IN (+) TAN WIRE VSS OUTPUT RR (-) RR (+) LR (-) LR (+) WHT WIRE YEL WIRE

BLK WIRE BLU WIRE DELAY DELAY/ON WASH DELAY DK GRN WIRE GRN WIRE GROUND GROUND PARK SW GRY WIRE HOT IN RUN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE OFF PARK SWITCH REAR WINDOW WASHER MOTOR (IN LEFT SIDE OF LIFTGATE) REAR WINDOW WIPER MOTOR (IN CENTER OF LIFTGATE) REAR WINDOW WIPER/ WASHER SWITCH REAR WINDOW WIPER/WASHER MODULE (IN LEFT SIDE OF LIFTGATE) RR WIPER FUSE 23 SUPPLY WASH WHT WIRE YEL WIRE

AIR BAG FUSE AIR BAG IND BLK WIRE BLK/WHT WIRE BLU WIRE CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA LOGIC DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) PPL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GAGES FUSE GRN WIRE GROUND GRY WIRE HIGH CONTROL DATA HIGH CONTROL LOW CONTROL LOW CONTROL HOT IN RUN, START I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) IGN IGNITION INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) NCA WIRE PNK WIRE PPL SENSOR SIGNAL SENSOR GND SHORTING BAR WHT WIRE WHT/BLK WIRE YEL WIRE

12 13 14 PPL 3-2 SS ECT LOW REF BATTERY CLS 2 DATA CLS 2 DATA TPS LOW REF CMP LOW REF BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ABOVE RADIO) BRN/WHT WIRE CENTRAL SEQUENTIAL FUEL INJECTION CKP SIG CRANKSHAFT POSITION SENSOR (BEHIND AND TO THE RIGHT OF PULLEY) DK BLU WIRE DK GRN WIRE ECM I FUSE ECM-B FUSE ENGINE COOLANT TEMPERATURE SENSOR (ON LEFT SIDE OF LEFT CYLINDER HEAD) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, START I/P FUSE BLOCK INJECTOR 1 INJECTOR 3 INJECTOR 4 INJECTOR 5 KNOCK SENSOR (LEFT REAR OF DISTRIBUTOR) KS RETURN KS SIG LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGNITION INJECTOR 2 INJECTOR 6 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (ON LEFT SIDE OF FIREWALL) PPL PPL/WHT WIRE PRND A BRAKE SW PRND P PPL PRND B CMP SIG RANGE B RANGE C IGNITION BATTERY CKP LOW REF RED WIRE SENS LOW REF GROUND TAN WIRE TAN/WHT WIRE TFT LOW REF MAP LOW REF TRANS FUSE 20 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

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