Chevrolet Astro I (1985-2005) (upper half of left "d" pillar) Wiring diagrams

BLK WIRE HOT IN RUN OR START I/P FUSE BLOCK LEFT BACK-UP LAMP LT GRN WIRE PARK/NEUTRAL POSITION SWITCH (LEFT CENTER OF TRANSMISSION) PNK WIRE RIGHT BACK-UP LAMP TURN B/U FUSE 16

2 3 4 5 6 7 PPL BLK WIRE BLU WIRE BODY CONTROL MODULE (ABOVE RADIO) BRN WIRE CENTER COURTESY/ READING LAMPS COURTESY LAMP RELAY CRTSY LMP SIG RIGHT DR SW LEFT DR SW LMP DEF SW CTSY FUSE 3 PK LPS FUSE 9 DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DRIVER DOOR JAMB SWITCH FRONT COURTESY/ READING LAMPS FRONT DOME/ READING LAMPS FRONT PASSENGER DOOR JAMB SWITCH GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INADVERTENT POWER RELAY INTERIOR LMP ENABLE RLY LEFT COURTESY LAMP MAP LIGHTS NCA WIRE ORG/ WIRE OVERHEAD CONSOLE PASSENGER VAN ONLY PNK WIRE PPL READING LAMP READING LAMP SWITCHES REAR DOME LAMP RELAY BLOCK 1 (BEHIND LEFT SIDE OF DASH, ON DLC BRACKET) RIGHT COURTESY LAMP RIGHT STEP- WELL LAMP SIDE DOOR JAMB SWITCH W/ CONSOLE W/O CONSOLE WHT WIRE YEL WIRE

2 3 4 5 6 7 PPL BLK WIRE BLK/WHT WIRE BRN WIRE CONVENIENCE CENTER (LEFT OF I/P FUSE BLOCK, BY LEFT KICK PANEL) COVER SWITCH DK BLU WIRE DK BLU/WHT WIRE DOME LAMP SWITCH DOME LMP DEFEAT SWITCH DRIVER DOOR LOCK SWITCH DRIVER WINDOW MASTER SWITCH FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER WINDOW SWITCH HEADLAMP, PANEL DIMMER SWITCH I/P COMPARTMENT LAMP LEFT VANITY MIRROR LAMP ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PARK LAMP SWITCH PPL REAR DOOR JAMB SWITCH RIGHT VANITY MIRROR LAMP W/ POWER MIRRORS W/ REAR RADIO CONTROL ONLY WHT WIRE YEL WIRE

BACK-UP LAMPS CIRCUIT BLK WIRE BLU WIRE BODY CONTROL MODULE (ABOVE RADIO) BREAKOUT) BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CHMSL RESISTOR (ON LEFT KICK PANEL) CONVENIENCE CENTER (NEAR LEFT KICK PANEL) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE GRN WIRE HAZ SW TN SW HAZARD HEAD AUTO HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK PARK LPS FUSE 9 INSTRU- MENT PANEL CLUSTER INTERIOR LIGHT SYSTEM LEFT FRONT MARKER LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LEFT TURN IND LICENSE LAMP LT BLU WIRE LT GRN WIRE LT TURN SIG IN RT TURN SIG IN MULTI- FUNCTION TURN SIGNAL LEVER NCA WIRE NORMAL OFF LEFT TURN SWITCH OFF RIGHT TURN SWITCH ORG/ WIRE PARK PARK LAMP RELAY (IN CONVEN- IENCE CENTER) PL RLY ENABLE PL INPUT PNK WIRE PPL RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RIGHT REAR MARKER LAMP RIGHT TURN IND SOUND SYSTEMS STOP LAMP SWITCH (ABOVE BRAKE PEDAL) STOP/ HAZ FUSE 1 TAN WIRE TURN B/U FUSE 16 TURN SIGNAL/ HAZARD FLASHER MODULE (IN CONVENIENCE CENTER) UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF FIREWALL) UPFIT- BAT MAXI FUSE WHT 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

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

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 CIG LTR FUSE 13 DOOR LOCK RELAY (RIGHT KICK PANEL) DOOR LOCKS SYSTEM FROM RADIO CON- NECTORS BREAKOUT) GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IN RIGHT KICK PANEL) LIFTGLASS LOCK/UNLOCK RELAY (RIGHT REAR QUARTER PANEL) LOCK LIFTGLASS LOCK/UNLOCK RELEASE SWITCH RELEASE SWITCH LIFTGLASS RELEASE ACTUATOR LOCK UNLOCK LT GRN WIRE NCA WIRE ORG/ WIRE PPL PWR-ACCY CIRCUIT BREAKER TAN WIRE UNLOCK

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