Chevrolet Astro I (1985-2005) (next to battery) Wiring diagrams

BACK FOR- WARD BLK WIRE CONVENIENCE CENTER (NEAR LEFT KICK PANEL) DK BLU WIRE DK GRN WIRE DOWN DOWN DRIVER SEAT ADJUSTER SWITCH ENTIRE SEAT ENTIRE SEAT DOWN HOT AT ALL TIMES PWR ACCY CIRCUIT BREAKER I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE REAR HEIGHT FRONT HEIGHT FRONT HEIGHT SEAT HORIZONTAL MOTOR SEAT REAR VERTICAL MOTOR SEAT VERTICAL MOTOR TAN WIRE UP REAR HEIGHT YEL WIRE

AMBIENT LIGHT SENSOR (ON TOP LEFT CENTER OF DASH) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM REMOTE KEYLESS ENTRY CIRCUIT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ABOVE RADIO) BRN WIRE COURTESY LAMP ON SIG HEADLAMP SW FLASH-TO-PASS CRUISE FUSE 6 DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRIVER DOOR JAMB SWITCH SIG DRL RELAY CTRL CLASS 2 SERIAL DATA GROUND IGNITION 1 VOLTAGE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM GMCM SERIAL DATA GROUND BATTERY POSITIVE VOLTAGE DOOR UNLOCK CTRL DOOR LOCK CTRL GRY WIRE GRY/BLK WIRE GUAGES FUSE 4 HEADLAMP OFF SIG HEADLAMP RELAY COIL SUP VOLT LED DIMMING SIGNAL VEHICLE SPEED SENSOR SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM HIGH BEAM SIG PARK LAMPS SUPPLY VOLTAGE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK I/P LAMP SULLPY VOLTAGE AMBIENT LIGHT SENSOR SIG IGNITION SWITCH INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LEFT TURN SIGNAL LMP SUP VOLT RIGHT TURN SIGNAL LMP SUP VOLT LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (ON PARKING BRAKE ASSEMBLY) PASS DOOR JAMB SWITCH SIG PNK WIRE POWER DISTRIBUTION SYSTEM (RAP) INTERIOR LIGHTS SYSTEM HORNS SYSTEM PPL INTERIOR LAMP DEFEAT SW SIG PPL/WHT WIRE RAP RELAY COIL CTRL COURTESY LAMP RELAY CTRL HORN RELAY CTRL RED/WHT WIRE RUN WIRE SECURITY SYSTEM SENSOR SIG TAN/WHT WIRE TBC FUSE 15 WARNING SYTEMS TRANSMISSION SYSTEM WHT WIRE 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

ABS SYSTEM AIR BAG IND BLK WIRE BLK/WHT WIRE BRAKE IND BRN WIRE BRN/WHT WIRE CHARGE IND CHECK GAUGES IND CHECK OIL IND COMPUTER DATA LINES SYSTEM COOLANT TEMP GAUGE CRUISE FUSE 6 DK BLU WIRE DK GRN/WHT WIRE DOOR AJAR IND ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SENSOR (ON TOP REAR OF ENGINE) FUEL GAUGE GAUGES FUSE 4 GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN ON HOT IN ON OR START HOT W/ HEADLAMP SW IN PARK OR HEAD I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) I/P ILLUM VOLT IGN 1 ILLUM FUSE 14 ILLUMINATION (6 BULBS) ING 3 INSTRUMENT CLUSTER LEFT TURN IND LOW FUEL IND LT BLU WIRE MIL CONTROL ODOMETER OIL GAUGE OIL PRESS ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BELOW FUSE BLOCK, ON LEFT SIDE OF FIREWALL) RADIO BATT FUSE 19 RIGHT TURN IND SEAT BELT IND SECURITY IND SERVICE ENGINE SOON IND SPARE SPEEDOMETER GAUGE TAN/WHT WIRE TOW/HAUL IND TRANS FUSE 20 TRIP RESET VOLTS GAUGE VSS SERIAL DATA OFF/ RUN/

AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID (IN STEERING COLUMN) BLK WIRE DK GRN/WHT WIRE EXTERIOR LIGHTS SYSTEM PNK WIRE HOT IN RUN, START I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LT GRN WIRE NCA WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (LEFT CENTER OF TRANSMISSION) PNK WIRE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL) (CLOSED W/ BRAKE OFF) TURN B/U FUSE 16

BLK WIRE BLK/WHT WIRE BLOCK BLU WIRE BODY CONTROL MODULE (BCM) (ABOVE RADIO) BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE PRESSURE MODULATOR VALVE ASSY) BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DR DOOR AJAR SW DRIVER DOOR JAMB SWITCH EXTERIOR LIGHTS GRY WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE IGNITION KEY ALARM SWITCH (CLOSED W/KEY IN IGNITION) IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) KEY-IN IGNITION SW LEFT SEAT BELT SW LEFT TURN SIGNAL LT BLU WIRE LT GRN WIRE MULTI- FUNCTION NCA WIRE OFF ORG/ WIRE PARK PARK BRAKE PARK BRAKE SW SIG PARK LAMP VOLT PK LPS FUSE 9 RIGHT TURN SIGNAL SEAT BELT BUCKLE SWITCH (ON DRIVER'S SEAT BELT BUCKLE) SERIAL DATA SERIAL DATA SWITCH SIGNAL PPL SWITCH (BASE OF PARK BRAKE LEVER) TAN/WHT WIRE TURN SIGNAL LEVER VEHICLE SPEED SIG VSS SIGNAL WHT WIRE