GMC Savana G2500 (1996-2013) tan 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

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)

8 VOLT REF AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS FROM AUTOMATIC TRANSMISSION ASSEMBLY (DIAGRAM 1 OF 2) GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS + GMLAN SERIAL DATA BUS + GRN WIRE GROUND GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (AT TOP OF STEERING COLUMN) LT BLU WIRE OSS SENSOR P/N PNK WIRE PPL RED WIRE REF SENSOR TAN WIRE TAN/BLK WIRE TAP UP/ TAP DOWN SW SIG TFP SWITCH 1 TFP SWITCH 3 TFP SWITCH 4 TFP SWITCH 5 TOW/ HAUL SW SIG TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION INPUT SHAFT SPEED (ISS) TRANSMISSION INPUT SPEED SENSOR (ISS) SIGNAL TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION OUTPUT SPEED SENSOR (OSS) SIGNAL TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE

2500 440 5991 2364 23 6141 6399 1439 COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM APP SIG 1 5 VOLT REF 5 VOLT REF BLK WIRE BLU WIRE BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG CUTAWAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 (MIDDLE OF DIESEL PARTICULATE FILTER) EXHAUST TEMPERATURE SENSOR 4 GRY WIRE GRY/BLK WIRE INJ HIGH CTRL A/C CLUTCH RLY CTRL LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MASS AIR FLOW (MAF)/INTAKE AIR TEMP (IAT) SENSOR (ATTACHED TO AIR INTAKE DUCT) NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT AIR FLOW SENS SIG GENERATOR TURN ON SIG LOW REF WIRE PNK PNK 7 8 WIRE PNK WIRE PPL PPL 1 2 PPL 28 29 PPL PNK 24 25 WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM WHT LT BLU/ WIRE WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION (APP) SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUTAWAY DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER DISPLAY GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - IGN VOLT IND INSTRUMENT CLUSTER LOGIC IND CTRL LOW ENGINE OIL PRESSURE IND LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MIL SER CTRL DATA NITROGEN OXIDES SENSOR 1 (TOP LEFT REAR SIDE OF ENGINE) NITROGEN OXIDES SENSOR 2 (MIDDLE OF DIESEL PARTICULATE FILTER) ORG/BLK WIRE ORG/WHT WIRE PNK 10 11 WIRE PNK 12 13 14 WIRE PNK PNK 7 8 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 1 2 PPL 28 29 PPL PNK 24 25 WIRE PPL/WHT WIRE RED/WHT WIRE REDUCTANT SENSOR MODULE (ABOVE REDUCTANT TANK) REDUCTANT TANK HEATER SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT TAN WIRE TAN/BLK WIRE WAIT TO 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