GMC Savana G2500 (1996-2013) red Wiring diagrams

27 28 2501 2500 44 43 COMPUTER DATA LINES SYSTEM DATA BUS (-) DATA BUS (+) 4.3L 4.3L/5.3L 4.8L/6.0L BATTERY BATTERY CURRENT SENSOR (4.3L/5.3L) BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CURRENT SENSOR SIG DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) EXCEPT 4.3L FUSIBLE LINK 3 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GENERATOR TURN ON SIG GMLAN SERIAL DATA GRY WIRE HOT W/ RUN/CRANK RELAY 15 ENERGIZED IGN VOLT INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA PNK WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE STARTING CIRCUIT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE

4.3L/ 5.3L 4.8L 6.0L AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DATA BUS - DK GRN WIRE EXCEPT 4.3L 4.3L ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GRY WIRE IGNITION SWITCH IGNITION VOLTAGE NCA WIRE OFF ORG/BLK WIRE PARK/ DATA NEUTRAL/ BUS (-) SIGNAL PARK/NEUTRAL POSITION (PNP) SWITCH PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

13 14 15 16 17 18 PNK WIRE 5 VOLT REF ALTERNATIVE FUEL TANK PRESSURE SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE CNG CUTT-OFF SOLENOID VALVE 2 CNG CUTT-OFF SOLENOID VALVE 3 CNG SOL VLV CTRL DK GRN WIRE DK GRN/WHT WIRE FUEL COMPOSITION SENSOR FUEL INJECTOR 3 FUEL INJECTOR 7 GRN WIRE GRY WIRE IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 7 LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK 11 12 WIRE PNK PNK 8 9 WIRE PNK PNK PNK PNK PNK PNK PNK 1 2 3 4 5 6 7 8 WIRE PNK PPL PNK 19 20 21 WIRE PNK PPL PNK PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRESSURE SIG RED WIRE SENSING SPARK PLUG W/ 3 TANK W/ 4 TANK WHT WIRE

13 14 15 16 17 18 PNK WIRE BLK WIRE BRN WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL PUMP RELAY GAS FUEL PUMP FUSE GRY WIRE HOT AT ALL TIMES IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL 8 LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MEGA FUSE NATURAL GAS REGULAR GAS NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK 11 12 WIRE PNK PNK 3 4 WIRE PNK PNK 6 7 8 WIRE PNK PNK 8 9 WIRE PNK PPL 14 15 WIRE PNK PPL PNK 19 20 21 WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE REAR LPG CUT-OFF SOLENOID VALVE SECONDARY FUEL PUMP RED WIRE RED/WHT WIRE REGULAR GAS W/ 3 TANK REGULAR GAS W/ 4 TANK SECONDARY LPG PUMP ASSEMBLY SIDE OF ENGINE COMPT) SPARK PLUG UNDERHOOD FUSE BLOCK (ON LEFT

12 VOLT REF 7 8 9 PNK WIRE BATT POS VOLT BLK WIRE BLU WIRE BRN WIRE FRONT LPG CUT-OFF SOLENOID VALVE FUEL GAUGE SIG FUSE HOLDER LPCM FUSE (REGULAR GAS W/ 3 TANK) FUSE LPCM FUSE HOLDER (REGULAR GAS W/ 4 TANK) GRN WIRE GRY WIRE LPG CONTROL MODULE (REGULAR GAS W/ 4 TANK) (ON TANK CONTROL BOX) LPG PRESSURE, TEMPERATURE SENSOR LPG PURGE SOLE- NOID VALVE LPG TANK SCAVENGE PUMP LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK 2 3 WIRE PNK PNK 3 4 WIRE PNK PNK 5 6 WIRE PNK PNK 6 7 8 WIRE PNK PPL 14 15 WIRE PNK WIRE PNK/BLK WIRE PPL PRIMARY FUEL PUMP, PRIMARY LPG PUMP ASSEMBLY PRIMARY SIG PUMP SIG RED WIRE RED/WHT WIRE RLY SIG SECONDARY SIG STRT LMP W/ 3 TANK W/ 4 TANK WAIT TO START INDICATOR WHT WIRE YEL WIRE

5 VOLT REF 7 8 9 PNK WIRE BATT POS VLT BLK WIRE BRN WIRE DK BLU/WHT WIRE ENGINE OIL PRESSURE (EOP) SENSOR (ON TOP REAR OF ENGINE) EVAPORATIVE EMISSION SYSTEM LEAK DETECTION PUMP FUEL CUTOFF SOLENOID VALVE FUEL INJECTOR 1 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 8 FUEL INJECTOR CONTROL MODULE FUEL PUMP FUEL TEMP SIG GRN WIRE GRY WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/BLK WIRE PMP SIG PNK 5 6 WIRE PNK 7 8 9 WIRE PNK PNK 2 3 WIRE PNK PNK 5 6 WIRE PNK WIRE PNK/BLK WIRE PRESS SIG PRIMARY FUEL LEVEL SENSOR (6.0L VIN B) (FRONT OF PRIMARY FUEL TANK) RED WIRE RED/BLK WIRE RELY VOLT RESISTOR RLY SIG SECONDARY FUEL LEVEL SENSOR (6.0L VIN B) (FRONT OF SECONDARY FUEL TANK) SOL RLY SIG TAN WIRE TAN/WHT WIRE TEMP SENS W/ 3 TANK W/ 4 TANK WHT WIRE YEL WIRE YEL/BLK WIRE