Chevrolet Astro I (1985-2005) splice pack 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

650 442 GROUND FUSE OUTPUT ABS FUSE ABS IND. BLK WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE PRESSURE MODULATOR VALVE ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK GRN WIRE FUSE OUTPUT LF WHL SPD SENS RET RF WHL SPD SENS SIG GRY WIRE HOT AT ALL TIMES HOT IN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL PPL BRAKE FLUID LVL SW PPL BRAKE SW OUTPUT SERIAL DATA RADIO BATT FUSE 19 RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RUN WIRE SPLICE PACK STOP LAMP SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TCC BRAKE SW/ CRUISE CTRL RELEASE SIG PPL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF FIREWALL) VEHICLE SPEED OUT VSS LF WHL SPD SENS SIG RF WHL SPD SENS RET YEL WIRE YEL/BLK WIRE

BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) CLASS 2 SERIAL DATA GAUGES FUSE 4 GROUND B+ SERIAL DATA GROUND IGNITION GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (IN STEERING COLUMN, NEAR LOCK CYLINDER) PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (BELOW UNDERHOOD FUSE BLOCK, ON LEFT SIDE OF FIREWALL) RADIO BATT FUSE 19 RED/WHT WIRE SECURITY HALL EFFECT SENSOR SECURITY INDICATOR SERIAL DATA SERIAL DATA LOW REF PASSLOCK SIG SPLICE PACK TAMPER HALL EFFECT SENSOR TBC FUSE 15 YEL WIRE

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