Chevrolet Astro I (1985-2005) radio Wiring diagrams

1 2 GND TCC PWM 1 8 17 18 19 20 24 27 32 33 34 40 53 57 58 59 60 67 72 74 75 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID 79 80 3-2 SS SENS GND A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ABOVE RADIO) BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CONVENIENCE CENTER CRUISE CONTROL SYSTEM (ENGINE HARN, NEAR BREAKOUT TO UNDERHOOD FUSE BLOCK) DK BLU WIRE DK GRN WIRE ECM-B FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (LEFT SIDE OF LEFT CYL HEAD) FLUID TEMP SENSOR FUEL PUMP RELAY GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, START I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) IGNITION COIL, IGNITION CONTROL MODULE, FUEL INJECTORS PNK WIRE INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT CENTER OF TRANSMISSION) PC SOL HI PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF FIREWALL) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RADIO RADIO FUSE 19 RED WIRE RED/BLK WIRE REV, LO RUN WIRE SPLICE PACK STOPLAMP SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOLENOID TCC SOLENOID THROTTLE POSITION SENSOR (LEFT SIDE OF THROTTLE BODY) TRANS FUSE 20 UNDERHOOD FUSE BLOCK (LEFT SIDE OF FIREWALL) ECM I FUSE VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 LF (-) LF (+) RF (-) RF (+) GRD DISPLAY DIM SIG PANEL LIGHT ANTENNA COAXIAL CABLE BLK WIRE BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) RDO ACCY FUSE 2 IGNITION VOLTAGE B+ LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PPL/WHT WIRE RADIO RADIO BATT FUSE 19 RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SPEAKER RR (-) RR (+) LR (-) LR (+) TAN WIRE YEL WIRE

AUDIO AMPLIFIER AUXILIARY POWER- OUTLET- FRONT 1 AUXILIARY POWER- OUTLET- FRONT 2 BATTERY BLK WIRE BLK/WHT WIRE BLOWER MOTOR RESISTOR ASSEMBLY BLOWER MOTOR- A/C AUXILIUARY BLOWER MOTOR- HEATER AUXILIUARY BLUNT CUT) BRAKE PRESSURE DIFFERENTIAL SWITCH BREAKOUT) CENTER HIGH MOUNTED STOP LAMP (CHMSL) REAR DOOR JAMB SWITCH CIGAR LIGHTER CONVEN- IENCE CENTER COURTESY READING LAMP- CENTER DOOR LOCK RELAY DOOR LOCK SWITCH- FRONT PASSENGER DRIVER DOOR UNLOCK RELAY ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE COVER GROUND AIR TEMPERATURE ACTUATOR FUEL PUMP, SENDER ASSEMBLY FUSE BLOCK- UNDERHOOD HEADLAMPS RELAY HORN- RIGHT HVAC CONTROL ASSEMBLY I/P COMPARTMENT LAMP INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE KNOCK SENSOR (KS) SHIELD LEFT FRONT PARK/TURN SIGNAL LAMP LEFT HORN LEFT MARKER LAMP LEFT TAIL/ STOP, TURN LAMP REAR AUXILIARY POWER OUTLET LEFT BACK-UP LAMP LIFTGLASS LOCK/ UNLOCK RELAY LIFTGLASS RELEASE ACTUATOR NCA WIRE OVERHEAD CONSOLE FRONT COURTESY READING LAMP GARAGE DOOR OPENER RADIO READING LAMPS (1 OF 4) REAR WINDOW WASHER FLUID PUMP REAR WINDOW WIPER/ WASHER MODULE REAR WINDOW DEFOGGER GRID RELAY BLOCK 1 REAR WINDOW WIPER/ WASHER SWITCH REMOTE CONTROL DOOR LOCK RECEIVER RIGHT BACKUP LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL/STOP, TURN LAMP TRAILER FOR TRAILER (BLUNT CUT) LICENSE LAMP SEAT BELT BUCKLE SWITCH UPFITTER CONNECTOR VEHICLE SPEED SENSOR (VSS) SHIELD W/ OVERHEAD CONSOLE W/O OVERHEAD CONSOLE WHT WIRE WINDOW SWITCH- FRONT PASSENGER WINDSHIELD WASHER FLUID PUMP

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

A/C COMP RELAY FUSE BLOCK- UNDERHOOD BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BLK WIRE BLOWER MOTOR SWITCH- A/C AUXILIARY RADIO BODY CONTROL MODULE (BCM) BLOWER MOTOR SWITCH- HEATER AUXILIARY BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTOR CONVENIENCE CENTER CRANKSHAFT POSITION SENSOR DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DRIVER INFORMATION CENTER (DIC) REAR SEAT AUDIO (RSA) CONTROLLER ECM I FUSE ENG-I FUSE EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID FROM FROM HEADLAMP, PANEL DIMMER SWITCH (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (DIAGRAM 2 OF 3) PNK WIRE FROM RAP FUSE (DIAGRAM 1 OF 3) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUSE BLOCK- I/P GRY WIRE HEATED OXYGEN SENSOR HVAC CONTROL ASSEMBLY INSTRUMENT PANEL CLUSTER (IPC) IGN E FUSE IGNITION COIL IGNITION CONTROL MODULE POWERTRAIN CONTROL MODULE (PCM) ILLUM FUSE 14 MASS AIRFLOW (MAF) SENSOR NCA WIRE ONLY PNK WIRE RADIO RADIO ACCY FUSE 2 RAP RELAY REAR WINDOW WIPER/ WASHER SWITCH RED WIRE RELAY BLOCK 2 UNDERHOOD FUSE BLOCK WINDOW MASTER SWITCH- DRIVER WINDOW SWITCH- FRONT PASSENGER BODY CONTROL MODULE (BCM) WINDOWS CIRCUIT BREAKER YEL 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