Chevrolet Chevy Express G2500 (1996-2012) gasoline engines Wiring diagram

15-77 CM FROM 6-PIN CONNECTOR ON RIGHT FRAME RAIL) 4.3L 4.3L, GVW OVER 8500 LBS., FEDERAL EMISSIONS 5.0/ 5.7L 5.0L, 5.7L, 7.4L 7.4L 7.4L ONLY 7.4L OTHERS 7.4L-ENGINE HARNESS, APPROX 14 CM FROM FUEL INJECTOR BREAKOUT) 7.4L/ 4.3L SECONDARY AIR INJECTION REACTION (AIR) PUMP CLUTCH (7.4L ONLY) A/C COMPRESSOR CLUTCH A/C LOW PRESSURE CUTOUT SWITCH FUEL PUMP AND SENDER BANK 1 SENSOR 1 BANK 1 SENSOR 3 (EX 7.4L) BANK 1 SENSOR 2 BANK 2 SENSOR 1 DIODE BANK 2 SENSOR 2 (7.4L) BASE BLK WIRE BLK/WHT WIRE BLOWER MOTOR RESISTOR/ RELAY BRAKE PRESSURE DIFFERENTIAL SWITCH CRUISE CONTROL MODULE DATA LINK CONNECTOR (DLC) ELECTRONIC BRAKE CONTROL MODULE (EBCM) EXCEPT 7.4L EXCEPT 7.4L-ENGINE HARNESS, 4-16 CM FROM FUEL INJECTOR BREAKOUT) FUEL PUMP RELAY GASOLINE ENGINES HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR UNDERHOOD FUSE/RELAY CENTER HORNS IGNITION CONTROL MODULE (ICM) INFLATABLE RESTRAINT FRONT END DISCRIMINATING SENSOR INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE INSTRUMENT CLUSTER PASSLOCK MODULE LAMP GROUP LEFT FRONT DOOR JAMB SWITCH LEFT FRONT POWER DOOR LOCK SWITCH LEFT FRONT POWER SIDE WINDOW SWITCH LEFT POWER OUTSIDE REAR VIEW MIRROR MASS AIRFLOW (MAF) SENSOR NCA WIRE NON- BASE OTHERS OTHERS 7.4L OTHERS EXCEPT 7.4L PARK/ NEUTRAL POSITION SWITCH POWER OUTSIDE REAR VIEW MIRROR REMOTE CONTROL SWITCH RIGHT FRONT DOOR JAMB SWITCH RIGHT FRONT POWER DOOR LOCK SWITCH RIGHT FRONT POWER SIDE WINDOW SWITCH RIGHT POWER OUTSIDE REAR VIEW MIRROR STARTER RELAY TAN/WHT WIRE UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER A/C LOW PRESSURE CUTOUT SWITCH UNDERHOOD REEL LAMP UNDERHOOD LAMP VEHICLE CONTROL MODULE (VCM)