GMC Savana G2500 (1996-2013) blk/wht Wiring diagrams

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

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

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUXILIARY BATTERY 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 CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DK GRN WIRE ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GMLAN PARK/ SERIAL DATA NEUTRAL SIGNAL (-) GMLAN SERIAL DATA GRY WIRE IGNITION SWITCH IGNITION VOLTAGE OFF ORG/BLK WIRE 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) UNDERHOOD JUNCTION BLOCK WHT WIRE YEL/BLK WIRE

3 21 DIMMING CTRL TRACTION SW 6 16 TCC BRAKE SIG PRK BRK SW ABS IND. BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE BOOSTER FLUID FLOW ALARM SWITCH (IN POWER STEERING PUMP OUTLET HOSE) BRAKE FLUID LEVEL SWITCH (AT LEFT REAR OF ENGINE COMPT) BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE VALVE, NEAR FRONT OF EBCM) BRAKE WARNING INDICATOR CTRL BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRK FLUID LEVEL SENSOR SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GRY WIRE HEAVY DUTY IGN VOLT IGN VOLT STEERING SENS A STEERING SENS C LIGHT DUTY LO SPD GMLAN LOGIC LOGIC STEERING WHEEL SPEED/ POSITION SENSOR (AT BASE OF STEERING COLUMN) LOW STABILITY IND INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/BLK WIRE PARK BRAKE SWITCH (UNDER LEFT PNK 3 4 5 WIRE PNK 7 3 5 6 2 4 1 8 WIRE PNK WIRE PPL RIGHT REAR WHEEL SPEED SENSOR (WSS) (AT RIGHT REAR WHEEL HUB) SERIAL DATA SIDE OF DASH) STEERING SENS B TAN WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH VDC IND WHT WIRE YEL WIRE

1 2 B+ GND 1-2 SHIFT SOLENOID (SS) CONTROL 1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) CONTROL 2-3 SHIFT SOLENOID (SS) VALVE 6 7 8 9 10 11 12 BRAKE SW SIG 6.6L 6.6L AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR BLK/WHT WIRE BRK SW FUSE 13 BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY (DIC) ENGINE CONTROL MODULE (ECM) EXCEPT 6.6L 6.6L EXTERIOR LIGHTS SYSTEM 1786 2501 2500 6399 GMLAN HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED IGN INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER LOGIC LOW REFERENCE LT BLU WIRE LT BLU/WHT WIRE ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PNK WIRE PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED/WHT WIRE STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE TCM BATT FUSE 32 TCM IGN FUSE 31 TO AUTOMATIC TRANSMISSION ASSEMBLY (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOW/HAUL IND TOW/HAUL SWITCH TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT)

5 VOLT REF ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DFI VOLT CTRL CYL 4 DFI VOLT CTRL CYL 6 DFI VOLT CTRL CYL 7 DFI VOLT CTRL CYL 8 DK BLU WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT SIDE OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 FUEL HEATER FUEL INJECTOR 1 (ON RIGHT SIDE OF ENGINE) FUEL INJECTOR 6 (ON LEFT SIDE OF ENGINE) FUEL INJECTOR 7 (ON RIGHT SIDE OF ENGINE) FUEL PRESSURE REGULATOR 1 FUEL PRESSURE REGULATOR 2 GND SOL HIGH SIG GRY WIRE LOW REF LT BLU WIRE LT BLU/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE SENS VOLT REF 5 VOLT REF SHEILD TAN WIRE TAN/WHT WIRE TURBOCHARGER VANE POSITION SENSOR (ON TOP OF TURBOCHARGER) VALVE HIGH CTRL SOL SPLY VOLT VALVE LOW CTRL SOL LOW SIG LOW REF LOW REF VEHICLE SPD SIG WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE

6 7 8 PNK WIRE AUXILIARY BATTERY BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR (ON INTAKE MANIFOLD) CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR (NEAR COOLANT SURGE TANK) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSIBLE LINK 1 FUSIBLE LINK 4 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - HTR CTRL IAH COMM 1 IAH COMM 2 IAH CURRENT FEEDBACK SIG IAH CURRENT SIG IAH DIG SIG IAH FDBK SIG IAH HEART BEAT SIG IAH SW ON/OFF SIG IAH TEMP FEEDBACK SIG IAH TEMP SIG IAH VOLT FEEDBACK SIG IAH VOLT SIG IGN 1 VOLT INTAKE AIR HEATER (BETWEEN INTAKE MANIFOLD TUBE, AIR COOLER OUTLET DUCT) LINE HTR CTRL LOWER RIGHT FRONT OF ENGINE) LT GRN WIRE MANIFOLD ABSOLUTE PRESSUE (MAP) SENSOR (ATTACHED TO INTAKE MANIFOLD TUBE) ORG/BLK WIRE ORG/WHT WIRE PLUG 1 CTRL PLUG 2 CTRL PLUG 3 CTRL PLUG 4 CTRL PLUG 5 CTRL PLUG 6 CTRL PLUG 7 CTRL PLUG 8 CTRL PNK 10 11 WIRE PNK 12 13 14 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PUMP HTR CTRL RED WIRE RED/WHT WIRE SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT STARTER MOTOR TAN WIRE TAN/BLK WIRE UNDERHOOD JUNCTION BLOCK WAKEUP SER DATA WHT WIRE WHT/YEL WIRE YEL WIRE

5 VOLT REF 6 7 8 PNK WIRE ACT CTRL CLOSE ACT CTRL OPEN BLK/WHT WIRE BRK APLY SENS SIG BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAC TEMP SENS RTN CAC TEMP SENS SIG CKP SENS SIG CMP SENS SIG CTRL CYL 2 CTRL CYL 3 CTRL CYL 5 CTRL CYL 8 DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG EGR VALVE SENS SIG EGRT SENS 1 SPLY VOLT EGRT SENS 2 SPLY VOLT EGRV MTR HIGH SIG EGRV MTR LOW SIG EGT SENS 1 SIG ENGINE CONTROL MODULE (ECM) EXHAUST TEMPERATURE SENSOR 1 FUEL TEMP 1 SIG FUEL TEMP SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE AIR FLOW VALVE LOW REF LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE OIL PRESSURE SENS SIG ORG/BLK WIRE PNK 5 6 7 8 9 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POS SENS SIG POS SENS SIG 1 PPL/WHT WIRE PRESSURE SENS SIG PRESSURE SW SIG RED/WHT WIRE SENS SPLY VOLT SPLY CYL 2 SPLY CYL 3 SPLY CYL 5 SPLY CYL 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP 1 RTN TEMP SENS RTN TEMP SENS SIG WATER IN FUEL SENS SIG WATER IN-FUEL SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRAKE LO REF BRK SW FUSE 13 BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (ON FRONT OF ENGINE) COMPT) CRANKSHAFT POSITION (CKP) SENSOR (NEXT TO CRANKSHAFT PULLEY) DIESEL FUEL PUMP FUSE 24 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 19 ECM IGN/GLOW PLUG MDL IGN FUSE 30 ECM PWR/ TRN FUSE 45 EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 2 EXHAUST GAS RECIRCULATION (EGR) VALVE (RIGHT SIDE OF ENGINE ABOVE 1 CYLINDER) FUEL FILTER PRESSURE SWITCH (TOP LEFT REAR SIDE OF ENGINE) FUEL HTR FUSE 71 FUEL INJECTOR 2 (ON LEFT SIDE OF ENGINE) FUEL INJECTOR 3 (ON RIGHT SIDE OF ENGINE) FUEL INJECTOR 4 (ON LEFT SIDE OF ENGINE) FUEL INJECTOR 5 (ON RIGHT SIDE OF ENGINE) FUEL INJECTOR 8 (ON LEFT SIDE OF ENGINE) FUEL PUMP RELAY GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF/ CNSTR FUSE 64 NCA WIRE ORG/BLK WIRE PNK 1 2 3 4 WIRE PNK 5 6 7 8 9 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE PWR/ TRN RELAY 49 RED/WHT WIRE SIG BRAKE SENS TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE WHT WIRE WHT/BLK WIRE YEL WIRE

5 VOLT REF ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DFI VOLT SPLY CYL 4 DFI VOLT SPLY CYL 6 DFI VOLT CTRL CYL 7 DFI VOLT CTRL CYL 6 ENGINE CONTROL MODULE (ECM) ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT SIDE OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 FUEL INJECTOR 1 (ON RIGHT SIDE OF ENGINE) GND SOL HIGH SIG GRY WIRE LOW REF LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE ORG/BLK WIRE PNK 1 2 3 4 WIRE PNK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE SENS VOLT REF 5 VOLT REF TAN WIRE TAN/WHT WIRE TURBOCHARGER VANE POSITION SENSOR (ON TOP OF TURBOCHARGER) VEHICLE SPD SIG WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE