Chevrolet Astro I (1985-2005) (left front radiator support) Wiring diagrams

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

BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) CONVENIENCE CENTER (LEFT OF I/P FUSE BLOCK, NEAR LEFT KICK PANEL) DK GRN WIRE FROM RADIO CONNECTORS BREAKOUT) HORN RELAY HORN SWITCH HOT AT ALL TIMES HORN MINI FUSE LEFT HEADLAMP BREAKOUT) LEFT HORN (CENTER OF RADIATOR SUPPORT) ORG/ WIRE RIGHT HORN (CENTER OF RADIATOR SUPPORT) UNDERHOOD FUSE BLOCK

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