Chevrolet Chevy Express G3500 (1996-2012) spark plug spark plug Wiring diagram

1 2 3 4 PPL PNK PNK WIRE 25 26 27 PNK WIRE A/C CLU A/C REQ A/C SYSTEM A/C SYSTEM 1310 419 1223 1222 1827 ANTI-LOCK BRAKE SYSTEM (SPEED SIGNAL) AUTOMATIC TRANS- MISSION INPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANS) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CTRL DELIVERED TORQ PC SOL HI EGR CTRL PC SOL LO FUEL PMP DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM 1 FUSE EVAP CANP CHARGE IND EVAP VENT MIL CTRL 2-3 SS 1-2 SS VSS OUT VSS OUT TFT SENS SIG GEN F FUEL LEV GAUGES FUSE 4 GEN TO GRY WIRE HOT IN RUN, START I/P FUSE BLOCK IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL PPL IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGNITION COILS IND CTRL FUEL LEV IGN FEED GND EGR GND PPL INSTRUMENT CLUSTER SYSTEMS (SPEED SIGNAL) INSTRUMENT PANEL CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MAP SIG MALFUNCTION INDICATOR LAMP NCA WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER) PPL PPL FUEL LEV CYC SW IN PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REDUCED ENGINE POWER IND REF LO REF LOW REF LOW PRND C TRANS RNG A FUEL SIG CTRL SENS GND SPARK PLUG SPARK PLUG SPARK PLUG STARTING/CHARGING SYSTEM TAN WIRE UNDERHOOD FUSE BLOCK VSS LOW VSS HIGH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE