Chevrolet Astro I (1985-2005) (on thermostat housing) Wiring diagrams

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/

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