Chevrolet Astro I (1985-2005) transfer case shift control module Wiring diagrams

A/C COMPRESSOR CLUTCH A/C LOW PRESSURE SWITCH A/C RELAY A/T SHIFT LOCK CONTROL SOLENOID AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/WHT WIRE BLOWER MOTOR SWITCH- A/C AUXILIARY BLOWER MOTOR SWITCH- HEATER AUXILIARY DRIVER SEAT ADJUSTER SWITCH BODY CONTROL MODULE (BCM) CENTER HIGH MOUNTED STOP LAMP (CHMSL) RESISTOR STEERING COLUMN GROUND- MOLDED CONVENIENCE CENTER COOLANT BYPASS VALVE SOLENOID DATA LINK CONNECTOR (DLC) DIODE 1 DRIVER INFORMATION CENTER (DIC) FUEL PUMP RELAY HALF OF STEERING COLUMN) HEADLAMP, PANEL DIMMER SWITCH IGNITION CONTROL MODULE (ICM) MASS AIR FLOW (MAF) SENSOR IGNITION KEY ALARM SWITCH IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL CLUSTER (IPC) CRUISE CONTROL MODULE (CCM) NCA WIRE OF STEERING COLUMN) OUTSIDE REARVIEW MIRROR SWITCH PARK/NEUTRAL POSITION (PNP) SWITCH POWERTRAIN CONTROL MODULE (PCM) REAR SEAT AUDIO (RSA) CONTROLLER (IF EQUIPPED) RELAY BLOCK 1 RELAY BLOCK 2 STARTER ENABLE RELAY TAN/WHT WIRE TOW/ HAUL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK UPFITTER ACCY RELAY VANITY MIRROR LAMP (LEFT) VANITY MIRROR LAMP (RIGHT) WHT WIRE WINDOW MASTER SWITCH- DRIVER DOOR LOCK SWITCH- DRIVER WINDSHIELD WIPER MOTOR MODULE

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

AIR BAG FUSE 10 GAUGES FUSE 4 TURN-B/U FUSE 16 AIR TEMPERATURE ACTUATOR AUTOMATIC TRANSMISSION AUXILIARY REAR A/C RELAY BLK WIRE BODY CONTROL MODULE (BCM) INSTRUMENT PANEL CLUSTER (IPC) RELAY BLOCK 2 BODY CONTROL MODULE (EBCM) BRAKE FUSE 18 BRN WIRE CONVENIENCE CENTER CRANK FUSE 8 CRUISE CONTROL MODULE (CCM) CRUISE CONTROL ON/OFF SWITCH CRUISE FUSE 6 ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM LIGHTING FUSE (DIAGRAM 1 OF 3) FROM UPFITTER-ACCY FUSE (DIAGRAM 2 OF 3) FUSE BLOCK- I/P FUSE BLOCK- UNDERHOOD HEATER, A/C CONTROL MODULE HTR A/C FUSE 12 IGN A FUSE IGN B FUSE IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOCK LOCK OFF MULTIFUNCTION TURN SIGNAL LEVER NCA WIRE OFF ORG/ WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH PARK/NEUTRAL POSITION (PNP) SWITCH PNK WIRE POWER- TRAIN CONTROL MODULE (PCM) PPL REAR WINDOW WIPER/ WASHER SWITCH RED WIRE RR WIPER FUSE 23 RUN WIRE STARTER ENABLE RELAY STOP LAMP SWITCH TO IGN-E FUSE (DIAGRAM 3 OF 3) PNK WIRE TO RAP RELAY (DIAGRAM 3 OF 3) TO TRAILER WIRING HARNESS TO UPFITTER ACCY RELAY (DIAGRAM 2 OF 3) TRANS FUSE 20 TRANSFER CASE SHIFT CONTROL MODULE UPFITTER ACCY RELAY UPFITTER CONNECTOR UPFITTER- ACCY FUSE UPFITTER- BATT FUSE WHT WIRE WINDSHIELD WIPER MOTOR MODULE WIPER FUSE 17 YEL WIRE