GMC Savana G2500 (1996-2013) foh/ecm tcm batt fuse 2 Wiring diagrams

A/T INPUT SHAFT SPEED ACCESSORY VOLT AT ISS HI SIG BLK WIRE BLK/WHT WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE ECM/TCM GLOW PLUG CNTRL MDL IGN 1 FUSE 38 FOH/ECM TCM BATT FUSE 2 GMLAN DATA (+) VSS LOW PC SOL LOW PPL GMLAN DATA (-) 2-3 SHIFT SOL GMLAN DATA (-) GMLAN DATA (+) TR SW P SIG PC SOL HI VSS HI SIG STOP LMP VOLT GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN ACC RUN AND START HOT IN RUN OR START IGN 0 FUSE 6 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK WIRE PPL REAR HI SIG GMLAN DATA (+) GMLAN DATA (-) RED/WHT WIRE SENSOR (A/T ISS) (LEFT SIDE OF TRANSMISSION STOP LAMP FUSE 7 STOP LAMP SWITCH (ABOVE BRAKE PEDAL) STOP/CHMSL FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TBC/TCM ACCY FUSE 46 TFP SW B SIG TFT SENS SIG TR SW A SIG LOW REF IGN 1 VOLT BATTERY TFP SW C SIG TR SW B SIG TR SW C SIG TFP SW A SIG PNK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

40 21 STOPLAMP SW INPUT IGNITION 44 57 22 54 2 4 6 HI SPD GMLAN + HI SPD GMLAN - TCC BRK SW VSS 61 34 10 CRUISE ON INPUT SET/COAST SIG RESUME/ACCEL SIG ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/WHT WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CLASS 2 CLASS 2 (PCM) DATA COMPUTER DATA LINES SYSTEM CRUISE IND DK BLU WIRE ECM/TCM GLO PLUG MDL FUSE 38 ENGINE CONTROL MODULE (ECM) FOH/ECM TCM BATT FUSE 2 GROUND GROUND GROUND 1551 1551 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER LT BLU WIRE NCA WIRE ON CRUISE CONTROL ON/OFF SWITCH OFF ON OFF PNK WIRE PPL PPL 420 1827 PPL VSS LOW RED/WHT WIRE RESUME/ ACCEL RESUME/ACCEL SET/ COAST STOP LP FUSE 7 STOP/ CHMSL FUSE 8 STOPLAMP SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENGINE COMPT) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

ABS/VSES FUSE 48 AUX PWR FUSE 29 AUXILIARY GENERATOR AUXILIARY POWER OUTLET 2 BATTERY BLK WIRE BLOWER MOTOR RESISTOR ASSEMBLY BODY CONTROL MODULE (BCM) BODY FUSE BLOCK CHIME (W/O RADIO) CIGAR LIGHTER AUXILIARY POWER OUTLET 1 COOLANT HEATER DATA LINK CONNECTOR (DLC) DRIVER SEAT ADJUSTER SWITCH (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) FOH/ECM TCM BATT FUSE 2 FROM UNDERHOOD FUSE BLOCK (RFA FUSE 20) (DIAGRAM 1 OF 6) FRONT PASSENGER SEAT ADJUSTER SWITCH (IF EQUIPPED) FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 4 FUSIBLE LINK 5 GENERATOR GLOW PLUG CONTROL MODULE (GPCM) HAZRD FUSE 14 INSTRUMENT PANEL CLUSTER (IPC) INTAKE AIR HEATER (IAH) MODULE IPC FUSE 31 LEFT TRAILER STOP/TURN RELAY (IF EQUIPPED) LTR FUSE 30 MEGA FUSE 65 NCA WIRE ORG/ WIRE PWR SEAT CIRCUIT BREAKER 60 RADIO (W/ RADIO) HVAC CONTROL ASSEMBLY RADIO BAT FUSE 1 RR DEF/HTD MIR FUSE 8 RED WIRE RED/BLK (OR RED) WIRE RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (IF EQUIPPED) RFA FUSE 20 RIGHT TRAILER STOP/TURN RELAY (IF EQUIPPED) SECONDARY BATTERY SPARE FUSE 64 STARTER MOTOR STOP LAMP SWITCH STOP LP FUSE 7 TBC 3 FUSE 16 TBC 4 FUSE 11 TBC FUSE 19 TBC 2 FUSE 18 TO BODY FUSE BLOCK (DOOR LKS FUSE 15) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (REAR FOG LAMPS FUSE 34) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (TBC FUSE 19) (DIAGRAM 1 OF 6) TRANSMISSION CONTROL MODULE (TCM) TRL STOP/TRN FUSE 17 TRLR FUSE 13 BLOW FUSE 51 TRLR FUSE 50 TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK W/ CIGAR LIGHTER W/ REAR WINDOW DEFOGGER/ HEATED MIRRORS W/O CIGAR LIGHTER

A/T INPUT SHAFT SPEED ACCESSORY VOLT AT ISS HI SIG BLK WIRE BLK/WHT WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE ECM/TCM GLOW PLUG CNTRL MDL IGN 1 FUSE 38 FOH/ECM TCM BATT FUSE 2 GMLAN DATA (+) VSS LOW PC SOL LOW PPL GMLAN DATA (-) 2-3 SHIFT SOL GMLAN DATA (-) GMLAN DATA (+) TR SW P SIG PC SOL HI VSS HI SIG STOP LMP VOLT GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN ACC RUN AND START HOT IN RUN OR START IGN 0 FUSE 6 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK WIRE PPL REAR HI SIG GMLAN DATA (+) GMLAN DATA (-) RED/WHT WIRE SENSOR (A/T ISS) (LEFT SIDE OF TRANSMISSION STOP LAMP FUSE 7 STOP LAMP SWITCH (ABOVE BRAKE PEDAL) STOP/CHMSL FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TBC/TCM ACCY FUSE 46 TFP SW B SIG TFT SENS SIG TR SW A SIG LOW REF IGN 1 VOLT BATTERY TFP SW C SIG TR SW B SIG TR SW C SIG TFP SW A SIG PNK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

40 21 STOPLAMP SW INPUT IGNITION 44 57 22 54 2 4 6 HI SPD GMLAN + HI SPD GMLAN - TCC BRK SW VSS 61 34 10 CRUISE ON INPUT SET/COAST SIG RESUME/ACCEL SIG ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/WHT WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CLASS 2 CLASS 2 (PCM) DATA COMPUTER DATA LINES SYSTEM CRUISE IND DK BLU WIRE ECM/TCM GLO PLUG MDL FUSE 38 ENGINE CONTROL MODULE (ECM) FOH/ECM TCM BATT FUSE 2 GROUND GROUND GROUND 1551 1551 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER LT BLU WIRE NCA WIRE ON CRUISE CONTROL ON/OFF SWITCH OFF ON OFF PNK WIRE PPL PPL 420 1827 PPL VSS LOW RED/WHT WIRE RESUME/ ACCEL RESUME/ACCEL SET/ COAST STOP LP FUSE 7 STOP/ CHMSL FUSE 8 STOPLAMP SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENGINE COMPT) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

ABS/VSES FUSE 48 AUX PWR FUSE 29 AUXILIARY GENERATOR AUXILIARY POWER OUTLET 2 BATTERY BLK WIRE BLOWER MOTOR RESISTOR ASSEMBLY BODY CONTROL MODULE (BCM) BODY FUSE BLOCK CHIME (W/O RADIO) CIGAR LIGHTER AUXILIARY POWER OUTLET 1 COOLANT HEATER DATA LINK CONNECTOR (DLC) DRIVER SEAT ADJUSTER SWITCH (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) FOH/ECM TCM BATT FUSE 2 FROM UNDERHOOD FUSE BLOCK (RFA FUSE 20) (DIAGRAM 1 OF 6) FRONT PASSENGER SEAT ADJUSTER SWITCH (IF EQUIPPED) FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 4 FUSIBLE LINK 5 GENERATOR GLOW PLUG CONTROL MODULE (GPCM) HAZRD FUSE 14 INSTRUMENT PANEL CLUSTER (IPC) INTAKE AIR HEATER (IAH) MODULE IPC FUSE 31 LEFT TRAILER STOP/TURN RELAY (IF EQUIPPED) LTR FUSE 30 MEGA FUSE 65 NCA WIRE ORG/ WIRE PWR SEAT CIRCUIT BREAKER 60 RADIO (W/ RADIO) HVAC CONTROL ASSEMBLY RADIO BAT FUSE 1 RR DEF/HTD MIR FUSE 8 RED WIRE RED/BLK (OR RED) WIRE RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (IF EQUIPPED) RFA FUSE 20 RIGHT TRAILER STOP/TURN RELAY (IF EQUIPPED) SECONDARY BATTERY SPARE FUSE 64 STARTER MOTOR STOP LAMP SWITCH STOP LP FUSE 7 TBC 3 FUSE 16 TBC 4 FUSE 11 TBC FUSE 19 TBC 2 FUSE 18 TO BODY FUSE BLOCK (DOOR LKS FUSE 15) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (REAR FOG LAMPS FUSE 34) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (TBC FUSE 19) (DIAGRAM 1 OF 6) TRANSMISSION CONTROL MODULE (TCM) TRL STOP/TRN FUSE 17 TRLR FUSE 13 BLOW FUSE 51 TRLR FUSE 50 TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK W/ CIGAR LIGHTER W/ REAR WINDOW DEFOGGER/ HEATED MIRRORS W/O CIGAR LIGHTER

8 9 10 11 12 PNK WIRE BLK WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE E.C.M. FUSE 33 ECM ACT FUSE 63 ECM RELAY 62 FOH/ECM TCM BATT FUSE 2 FUEL HEATER FUEL HTR FUSE 25 FUEL INJECTORS FUEL PMP FUSE 12 FUEL PMP RELAY 57 FUEL RAIL PRESSURE (FRP) SENSOR (ON TOP RIGHT SIDE OF ENGINE) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK 22 23 24 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 20 21 PPL 25 26 27 28 29 30 PPL/WHT WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE