GMC Savana G2500 (1996-2013) blk 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) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) 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 ENERGIZED IGN VOLT INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 30 LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA PNK WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE SENS SIG STARTING CIRCUIT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE

BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CRNK RELAY 73 DATA BUS - DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXCEPT 4.3L 4.3L 28 43 FUSIBLE LINK 2 IGNITION LOCK CYLINDER IGNITION SWITCH IGNITION VOLTAGE OF ENGINE COMPT) OFF ORG/BLK WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSMISSION) P/N PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE 64 TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE WHT WIRE YEL/BLK WIRE

4.3L/ 5.3L ABS MDL FUSE 60 ABS MTR FUSE 61 AUX PWR OUTLET FUSE 33 BATTERY BCM 1 FUSE 20 BCM 2 FUSE 37 BCM 3 FUSE 26 BCM 4 FUSE 22 BCM 5 FUSE 27 BCM 6 FUSE 23 BCM 7 FUSE 25 BLK WIRE BLOWER MOTOR RESISTOR BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY POWER OUTLET CIGAR LIGHTER CNSTR VENT SOL FUSE 17 DATA LINK CONNECTOR (DLC) ECM BATT FUSE 54 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FCSM BATT SEO FUSE 15 FUSE 21 FRT BLWR FUSE 66 FUSIBLE LINK 2 FUSIBLE LINK 3 GENERATOR LTR/DLC FUSE 38 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE STARTER MOTOR TCM BATT FUSE 44 TO CMPS FUSE 2 (DIAGRAM 4 OF 4) TO HIGH BEAM PCB RELAY (DIAGRAM 2 OF 4) TO RUN RELAY 39 (DIAGRAM 4 OF 4) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) TRLR WRG FUSE 35 TRLR WRG FUSE 62 UPFTR AUX 2 FUSE 35 UPFTR AUX 2 RELAY 42 (CUTAWAY, AMBULANCE, RV UPFITTERS) W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ CUTAWAY UPFITTER W/ RV UPFITTER W/ TRUCK TRAILER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

4.8L 6.0L 5.3L AIR BAG FUSE 34 AUTOMATIC TRANSMISSION BLK WIRE BODY CONTROL MODULE (BCM) BREAKOUT FOR REAR FUSE BLOCK) BRK SW FUSE 32 BRN WIRE CONNECTOR DK BLU WIRE DOME FLUORESCENT WORK LAMPS FUSE 2 ECM IGN FUSE 48 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (EDM) EXCEPT 4.3L 4.3L FLUORESCENT WORK LAMP RELAY FROM MEGA FUSE 77 (DIAGRAM 2 OF 4) FSCM IGN FUSE 11 FUEL PUMP FLOW CONTROL MODULE FUEL PUMP FLOW CONTROL MODULE (5.3L) HARNESS, 15 CM FROM REAR FUSE BLOCK) HARNESS, 7 CM FROM HARNESS, 8 CM FROM REAR FUSE BLOCK) IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 30 KEY-IN SWITCH LEFT FRONT ACCESS PANEL RELAY 5 LEFT REAR ACCESS PANEL RELAY 1 LT BLU WIRE OFF ORG/ WIRE PANEL ACTUATOR FUSE 3 PNK WIRE REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RED/ WHT WIRE RED/BLK WIRE RIGHT ACCESS PANEL RELAY 6 RUN WIRE RUN/CRNK RELAY 69 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH STR/WHL SNSR FUSE 36 (W/ ACTIVE CONTROL BRAKE) TCM IGN FUSE 47 THEFT DETERRENT MODULE (TDM) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TRANS FUSE 51 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CARGO W/ POWER BRAKE W/ ACTIVE BRAKE CONTROL W/O RV UPFITTER, MANUAL W/ MANUAL SUPPRESSION SUPPRESSION WHT RED/ WIRE WHT WIRE YEL WIRE

AIR BAG AOS FUSE 32 AIR TEMPERATURE ACTUATOR HVAC CONTROL ASSEMBLY ALL DRS LOCK PCB RELAY AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY AUXILIARY BLOWER BLOWER MOTOR MOTOR LOW SPEED MEDIUM RELAY SPEED RELAY AUXILIARY BLOWER MOTOR HIGH SPEED RELAY AUXILIARY MODE ACTUATOR BCK/UP LAMP PCB RELAY BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (BEHIND LEFT KICK PANEL) BRN WIRE CGO UNLCK PCB RELAY DK GRN WIRE DRIVER PASSENGER WINDOW WINDOW SWITCH SWITCH (IF (IF EQUIPPED) EQUIPPED) DRIVER SEAT ADJUSTER SWITCH (W/ DRIVER POWER SEAT ADJUSTER) DRV UNLCK PCB RELAY EMPTY FUSE 19 EMPTY FUSE 20 FROM REAR FUSE BLOCK (DIAGRAM 3 OF 4) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 4) FROM UPFTR AUX 2 RELAY 42 CMPS FUSE (DIAGRAM 1 OF 4) FUSE 2 HVAC 2 HVAC 1 FUSE 1 FUSE 5 HVAC CONTROL ASSEMBLY (W/ ELECTRIC REAR WINDOW DEFOGGER, POWER WINDOWS) I/P CLSTR FUSE 7 IGN SW HVAC CNTRL FUSE 12 FUSE 3 INFLATABLE RESTRAINT SENSING, RADIO DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR (W/ LEFT, RIGHT ROOF SIDE) ORG/ WIRE OSRVM SW FUSE 18 OUTSIDE REARVIEW MIRROR SWITCH (IF EQUIPPED) PASS/CGO UNLCK PCB RELAY PASSENGER SEAT ADJUSTER SWITCH (W/ PASSENGER POWER SEAT ADJUSTER) PRK LAMP RELAY 40 PWR SEATS CIRCUIT BREAKER 46 PWR WDO CIRCUIT BREAKER 45 RAP RELAY 43 RDO/CHIME FUSE 8 REAR BLWR FUSE 37 REAR DEFOG RELAY 44 (W/ POWER MIRROR, REAR WINDOW DEFOGGER) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY 39 RFA/TPM FUSE 11 RUN WIRE UPFTR AUX 1 FUSE 36 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS PCB RELAY (W/ AMBULANCE, RV UPFITTERS) W/ COMMERCIAL TRADESMAN W/ CUTAWAY W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ MANUAL A/C, POWER MIRRORS, REAR WINDOW DEFOGGER W/ REAR A/C W/ REAR A/C, AUXILIARY HEATER W/ REAR A/C, AUXILIARY HEATER, PLUMBING, WIRING PROVISION W/ RV UPFITTER W/ RV W/O RV UPFITTER UPFITTER, 3406 W/O RADIO WHT WIRE YEL WIRE

ABS MDL FUSE 60 ABS MTR FUSE 61 AUX PWR OUTLET FUSE 33 AUXILIARY BATTERY AUXILIARY GENERATOR BATTERY BCM 1 FUSE 20 BCM 2 FUSE 37 BCM 3 FUSE 26 BCM 4 FUSE 22 BCM 5 FUSE 27 BCM 6 FUSE 23 BCM 7 FUSE 25 BLK WIRE BLOWER MOTOR RESISTOR BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CENTER CONSOLE 1 ACCESSORY CONSOLE 2 ACCESSORY POWER POWER OUTLET OUTLET CIGAR LIGHTER CMPS FUSE 2 COOLANT HEATER (W/ AUXILIARY HEATER) DATA LINK CONNECTOR (DLC) ECM BATT FUSE 54 ELECTRONIC (BEHIND LEFT COMPASS KICK PANEL) MODULE (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) FOH MDL FUSE 14 FRT BLWR FUSE 66 FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 4 FUSIBLE LINK 5 (W/ DUAL GENERATOR, AMBULANCE UPFITTER) GENERATOR GLOW PLUG CONTROL MODULE (GPCM) INSTRUMENT PANEL CLUSTER (IPC) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) INTAKE AIR HEATER (IAH) LTR/DLC FUSE 38 NCA WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SEO FUSE #21 STARTER MOTOR TCM BATT FUSE 44 TO HIGH BEAM PCB RELAY (DIAGRAM 2 OF 4) TO HVAC 2 FUSE 1 (DIAGRAM 4 OF 4) TO RUN RELAY 39 (DIAGRAM 4 OF 4) TRANSMISSION CONTROL MODULE (TCM) TRLR WRG TRLR WRG FUSE 35 FUSE 62 UNDERHOOD JUNCTION BLOCK UPFTR AUX 2 RELAY 42 (CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR AUX 2 FUSE 35 W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ RV UPFITTER W/ TRUCK TRAILER W/ W/ RV CUTAWAY UPFITTER UPFITTER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

AUTOMATIC TRANSMISSION BLK WIRE BODY CONTROL MODULE (BCM) BRK SW FUSE 32 BRN WIRE CONNECTOR COOLANT HEATER DK BLU WIRE ECM IGN AIR BAG FUSE 48 FUSE 34 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (EDM) FROM MEGA FUSE 77 (DIAGRAM 2 OF 4) GLOW PLUG CONTROL MODULE (GPCM) IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT I/P MODULE INDICATOR KEY-IN SWITCH LT BLU WIRE OFF PNK WIRE RUN WIRE RUN/CRNK RELAY 69 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH STR/WHL SNSR FUSE 36 (W/ ACTIVE CONTROL BRAKE) TCM IGN IP CLSTR FUSE 47 FUSE 30 THEFT DETERENT MODULE (TDM) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TRANS FUSE 51 TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION INSTRUMENT CONTROL PANEL MODULE CLUSTER (TCM) (IPC) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ AUXILIARY HEATER W/ MANUAL SUPPRESSION W/O AUXILIARY HEATER W/O RV UPFITTER, MANUAL SUPPRESSION WHT RED/ WIRE WHT WIRE YEL WIRE

AIR BAG AOS FUSE 32 AIR TEMPERATURE ACTUATOR VACUUM HVAC CONTROL PUMP ASSEMBLY ALL DRS LOCK PCB RELAY AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY MODE ACTUATOR BCK/UP LAMP PCB RELAY BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (BEHIND LEFT KICK PANEL) BRN WIRE CGO UNLCK PCB RELAY CHIME MODULE DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH (W/ DRIVER POWER SEAT ADJUSTER) DRV UNLCK PCB RELAY EMPTY FUSE 19 EMPTY FUSE 20 FROM REAR FUSE BLOCK (DIAGRAM 2 OF 4) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 4) FROM UPFITTER AUX 2 RELAY 42 (DIAGRAM 1 OF 4) HVAC 1 HVAC 2 FUSE 5 FUSE 1 HVAC CONTROL ASSEMBLY (W/ ELECTRIC REAR WINDOW DEFOGGER, POWER MIRRORS) I/P CLSTR FUSE 7 IGN SW HVAC CNTRL FUSE 12 FUSE 3 INFLATABLE RESTRAINT SENSING, RADIO DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR (W/ LEFT, RIGHT ROOF SIDE) INSTRUMENT PANEL CLUSTER (IPC) (W/O ODOMETER SECURITY WIRING PROVISION (SEO)) ORG/ WIRE PASS/CGO UNLCK PCB RELAY PASSENGER DRIVER WINDOW WINDOW SWITCH SWITCH (IF (IF EQUIPPED) EQUIPPED) PASSENGER SEAT ADJUSTER SWITCH (W/ PASSENGER POWER SEAT ADJUSTER) PRK LAMP RELAY 40 PWR SEATS CIRCUIT BREAKER 46 PWR WDO CIRCUIT BREAKER 45 RAP RELAY 43 RDO/CHIME FUSE 8 REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR BLWR FUSE 37 REAR DEFOG RELAY 44 (W/ POWER MIRROR, REAR WINDOW DEFOGGER) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY 39 RFA/TPM FUSE 11 OSRVM SW FUSE 18 RUN WIRE UPFTR AUX 1 FUSE 36 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS PCB RELAY (W/ AMBULANCE, RV UPFITTERS) W/ COMMERCIAL TRADESMAN W/ CUTAWAY W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ MANUAL A/C, POWER MIRRORS, REAR WINDOW DEFOGGER W/ REAR A/C W/ REAR A/C, AUXILIARY HEATER W/ REAR A/C, AUXILIARY HEATER, PLUMBING, WIRING PROVISION W/ RV UPFITTER W/ RV W/O RV UPFITTER UPFITTER, 3406 W/O RADIO WHT RED/ WIRE WHT WIRE YEL WIRE

1 2 3 4 B+ SERIAL DATA COMPUTER DATA LINES SYSTEM 8 9 2500 2501 SERIAL DATA BUS + SERIAL DATA BUS - BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) CARGO DOOR UNLOCK RELAY CARGO DR UNLCK FUSE 33 CHIME MODULE (BEHIND LEFT CENTER OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR UNLATCH RELAY DVR DR UNLCK FUSE 36 FRT DR LCK FUSE 31 FRT PASS DR UNLCK FUSE 34 GROUND GRY WIRE GRY/BLK WIRE HOOD AJAR SWITCH (W/ REMOTE ENGINE START) HOT AT ALL TIMES BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) HOT AT ALL TIMES UNDERHOOD LEFT REAR SIDE DOOR JAM SWITCH (W/ HINGED DOOR) (AT LEFT "B" PILLAR) LIFTGATE AJAR SW SIG LO SPD GMLAN SERIAL DATA LO SPD SERIAL DATA LT BLU WIRE LT GRN WIRE MEGA FUSE FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) NCA WIRE ORG/BLK WIRE PNK/BLK WIRE PPL PPL CLOSED SW SIG RADIO REAR DR LCK FUSE 32 REAR OPEN SW REAR PASS DR UNLCK FUSE 35 RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (BEHIND CENTER OF DASH) RFA/TPM FUSE 21 RIGHT REAR SIDE DOOR JAM SWITCH (W/ CARGO PASSENGER) (AT RIGHT "B" PILLAR) SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ COMMERCIAL TRADESMAN W/ HINGED DOOR W/O COMMERCIAL TRADESMAN WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BREAKOUT) CARGO DOOR LATCH ASSEMBLY (W/ CARGO/PASSENGER) (IN RIGHT REAR CARGO DOOR) CARGO/ PASSENGER COMPUTER DATA LINES SYSTEM CUTAWAY DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (AT REAR OF DRIVER DOOR) DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY GRY WIRE GRY/BLK WIRE INSTRUMENT CLUSTER (IPC) LEFT BODY SLIDING DOOR JAMB CONTACT PLATE (AT LEFT "B" PILLAR) LOGIC LOW SPD GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE ORG/BLK WIRE PASSENGER DOOR LATCH ASSEMBLY (AT REAR OF FRONT PASSENGER DOOR) PASSENGER DOOR LOCK SWITCH PNK/BLK WIRE REAR CARGO DOOR LOCK SWITCH RIGHT BODY SLIDING DOOR JAMB CONTACT PLATE (AT RIGHT "B" PILLAR) SECURITY INDICATOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ HINGED DOOR W/ HINGED DOORS