Chevrolet Chevy Express G3500 (1996-2012) ctrl est Wiring diagram

20 21 PPL A/C COMPRESSOR ENABLE RELAY A/C LOW PRESSURE SIG A/C REQUEST SIGNAL AIR CONDITIONING SYSTEM AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) B(+) BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE (FRONT OF ENGINE COMPT NEAR LEFT FENDER) CRUISE CTRL ENGAGED CRUISE CTRL SIG-ENGAGED CTRL EST DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISTRIBUTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ECM-B FUSE EGR VALVE CTRL FUEL PMP RLY CTRL 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 FUEL PUMP RELAY (ON LEFT SIDE OF ENGINE COMPT, IN UNDERHOOD FUSE/RELAY CENTER) GROUND GRY WIRE HIGH VOLTAGE COIL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN FEED IGN FEED TRANS RANGE B INPUT TRANS RANGE A INPUT 1225 1224 PNK WIRE IGNITION COIL (TOP REAR OF ENGINE) IGNITION CONTROL MODULE (TOP REAR OF ENGINE, ON IGNITION COIL) LT BLU/BLK WIRE LT BLU/WHT WIRE NCA WIRE ORG/ WIRE PC SOL VLV HIGH SENS LOW SENS HIGH ELEC SPK TIMING CTRL SIG PC SOL VLV LOW GROUND GROUND SENS GROUND 551 451 PNK 14 15 16 WIRE PNK IGN FEED WIRE PNK WIRE PPL PPL PNK PNK 1 2 3 WIRE PPL PPL 420 1807 BRAKE SW INPUT SERIAL DATA PPL PPL ANTI-LOCK BRAKES SYSTEM PPL SIGNAL RETURN PPL TCC/STOPLAMP INPUT RADIO RED WIRE RED/BLK WIRE SIGNAL TIMING CTRL ELEC SPK SPEED SENSOR INPUT TAN/WHT WIRE TRANS RANGE C INPUT UNDERHOOD FUSE/RELAY CENTER VEHICLE CONTROL MODULE (VCM) (LEFT SIDE OF ENGINE COMPARTMENT) VSS SIGNAL VSS OUTPUT CHECK ENGINE LP CTRL 389 419 WHT WIRE WHT/BLK WIRE