Chevrolet Chevy Express G3500 (1996-2012) ppl ppl 29 30 Wiring diagrams

BATTERY CLASS 2 DATA PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE GND LOW REF PPL GRY WIRE HOT AT ALL TIMES INJECTORS KS SIGNAL KS SIGNAL CKP LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER) PPL PPL PPL PPL PPL 29 30 PPL/WHT WIRE PRND A BRK SW PRND P PPL PRND B CMP ECT SIG RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW SENS GND SENS GROUND LOW REF EGR INPUT SERIAL DATA (-) SERIAL DATA (+) TAN WIRE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 PPL PNK PNK WIRE 6 7 8 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE FUEL PUMP AND SENDER ASSEMBLY GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (IN EXHAUST, FRONT OF CATALYTIC CONV) HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR BANK 1 (LOWER LEFT SIDE OF ENG) KNOCK SENSOR BANK 2 (LOWER RIGHT SIDE OF ENG) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PPL 29 30 PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK FUEL PUMP RELAY WHT WIRE YEL WIRE