GMC Savana G2500 (1996-2013) wht Wiring diagrams

AIRBAG FUSE 37 BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 35 CRUISE CONTROL MODULE (IF EQUIPPED) THROTTLE ACTUATOR CONTROL MODULE CTSY LP RELAY 26 (RV/UPFITTER) CTSY LP/SEO FUSE 3 DK GRN WIRE FR PRK FUSE 22 FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUSE 39 FUSE 40 HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEAVY DUTY IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT PASSENGER AIRBAG OFF/ON INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (LIGHT DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE ISRVM FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LIGHT DUTY LOCK LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PARK PARK LP RELAY 29 PARK/ NEUTRAL POSITION (PNP) SWITCH REVERSE PCM IGN 1 FUSE 38 PNK WIRE RED/BLK WIRE RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT MARKER LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SPARE FUSE 25 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH (BLUNT CUT) (NOT USED) TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRK FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (ENG 2 FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING CUTAWAY TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

4.3L AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 3 CRANK FUSE 27 ENG 1 FUSE 23 ENG 2 FUSE 21 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXCEPT 4.3L EXCEPT 4.3L 4.3L EXCEPT 4.3L 4.3L 4.3L FR WPR FUSE 47 FROM ENG 1 FUSE 23 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (AIR BAG FUSE 37) (DIAGRAM 3 OF 6) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 7 FUEL INJECTOR 6 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 8 IGN 0 FUSE 6 IGN E FUSE 22 IGNITION COIL IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 7 IGNITION COIL 5 IGNITION COIL 8 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL MODULE INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) NCA WIRE NOT USED NOT USED PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL STOP LAMP SWITCH CRUISE CONTROL ON/OFF SWITCH TBC ACCY FUSE 46 TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) A/C RELAY 54 WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

AIRBAG FUSE 37 BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 35 CRUISE CONTROL MODULE (IF EQUIPPED) THROTTLE ACTUATOR CONTROL MODULE CTSY LP RELAY 26 (RV/UPFITTER) CTSY LP/SEO FUSE 3 DK GRN WIRE FR PRK FUSE 22 FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUSE 39 FUSE 40 HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEAVY DUTY IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT PASSENGER AIRBAG OFF/ON INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (LIGHT DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE ISRVM FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LIGHT DUTY LOCK LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PARK PARK LP RELAY 29 PARK/ NEUTRAL POSITION (PNP) SWITCH REVERSE PCM IGN 1 FUSE 38 PNK WIRE RED/BLK WIRE RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT MARKER LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SPARE FUSE 25 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH (BLUNT CUT) (NOT USED) TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRK FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (ENG 2 FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING CUTAWAY TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

4.3L AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 3 CRANK FUSE 27 ENG 1 FUSE 23 ENG 2 FUSE 21 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXCEPT 4.3L EXCEPT 4.3L 4.3L EXCEPT 4.3L 4.3L 4.3L FR WPR FUSE 47 FROM ENG 1 FUSE 23 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (AIR BAG FUSE 37) (DIAGRAM 3 OF 6) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 7 FUEL INJECTOR 6 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 8 IGN 0 FUSE 6 IGN E FUSE 22 IGNITION COIL IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 7 IGNITION COIL 5 IGNITION COIL 8 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL MODULE INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) NCA WIRE NOT USED NOT USED PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL STOP LAMP SWITCH CRUISE CONTROL ON/OFF SWITCH TBC ACCY FUSE 46 TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) A/C RELAY 54 WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

AIRBAG FUSE 37 BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 35 CRUISE CONTROL MODULE (IF EQUIPPED) THROTTLE ACTUATOR CONTROL MODULE CTSY LP RELAY 26 (RV/UPFITTER) CTSY LP/SEO FUSE 3 DK GRN WIRE FR PRK FUSE 22 FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUSE 39 FUSE 40 HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEAVY DUTY IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT PASSENGER AIRBAG OFF/ON INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (LIGHT DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE ISRVM FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LIGHT DUTY LOCK LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PARK PARK LP RELAY 29 PARK/ NEUTRAL POSITION (PNP) SWITCH REVERSE PCM IGN 1 FUSE 38 PNK WIRE RED/BLK WIRE RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT MARKER LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SPARE FUSE 25 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH (BLUNT CUT) (NOT USED) TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRK FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (ENG 2 FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING CUTAWAY TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

4.3L AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 3 CRANK FUSE 27 ENG 1 FUSE 23 ENG 2 FUSE 21 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXCEPT 4.3L EXCEPT 4.3L 4.3L EXCEPT 4.3L 4.3L 4.3L FR WPR FUSE 47 FROM ENG 1 FUSE 23 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (AIR BAG FUSE 37) (DIAGRAM 3 OF 6) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 7 FUEL INJECTOR 6 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 8 IGN 0 FUSE 6 IGN E FUSE 22 IGNITION COIL IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 7 IGNITION COIL 5 IGNITION COIL 8 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL MODULE INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) NCA WIRE NOT USED NOT USED PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL STOP LAMP SWITCH CRUISE CONTROL ON/OFF SWITCH TBC ACCY FUSE 46 TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) A/C RELAY 54 WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

AIRBAG FUSE 37 BRN WIRE BTSI/BU FUSE 36 CTSY LP RELAY 26 (RV/UPFITTER) CTSY LP/SEO FUSE 3 DK GRN WIRE ECM/TCM/ GLOW PLUG FUSE 38 ENGINE CONTROL MODULE (ECM) FR PRK FUSE 22 FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUEL HEATER FUEL HTR FUSE 25 GLOW PLUG CONTROL MODULE (GPCM) HEAVY DUTY IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT PASSENGER AIRBAG OFF/ON INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (LIGHT DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSIDE REARVIEW MIRROR (W/ TEMP DISPLAY) BODY CONTROL MODULE (BCM) ISRVM FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LICENSE LAMP LIGHT DUTY LOCK LT GRN WIRE LT GRN/BLK WIRE NOT USED NOT USED ORG/ WIRE PARK PARK LP RELAY 29 PARK/ NEUTRAL POSITION (PNP) SWITCH PNK WIRE RED/BLK WIRE REVERSE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SPARE FUSE 35 SPARE FUSE 39 SPARE FUSE 40 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRK FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (SPARE FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING CUTAWAY TRANSMISSION CONTROL MODULE (TCM) TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

A/C RELAY AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CRANK FUSE 27 ENG 1 FUSE 23 ENGINE CONTROL MODULE (ECM) FR WPR FUSE 47 FROM ENG 1 FUSE 23 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (AIR BAG FUSE 37) (DIAGRAM 3 OF 6) GLOW PLUG CONTROL MODULE (GPCM) IGN 0 FUSE 6 IGN E FUSE 22 INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) NCA WIRE NOT USED NOT USED PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE PPL SPARE FUSE 21 STOP LAMP SWITCH CRUISE CONTROL ON/OFF SWITCH TBC/TCM ACCY FUSE 46 TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WINDSHIELD WIPER MOTOR TRANSMISSION CONTROL MODULE (TCM) YEL WIRE

+BC BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) CLASS 2 SERIAL DATA COMPOSITE SEALED COMPOSITE+ DIMMER SWITCH SIGNAL DK GRN WIRE FLASH TO PASS SIGNAL FTP FUSIBLE LINK 2 GRY WIRE HDLP- HI BEAM RELAY HDLP- LO BEAM RELAY HEAD HEADLAMP DIMMER SWITCH HEADLAMP ON IND HEADLAMP ON SIGNAL HEADLAMP, PANEL DIMMER SWITCH HIGH BEAM INDICATOR HIGH BEAM RELAY CONTROL HOT AT ALL TIMES IGN CLASS 2 INSTRUMENT PANEL CLUSTER LED DIMMING SIGNAL LEFT HI BEAM FUSE 44 LEFT HIGH BEAM HEADLAMP LEFT HEADLAMP LEFT LO BEAM FUSE 43 LEFT LOW BEAM HEADLAMP LOGIC CLASS 2 SERIAL DATA LOW BEAM RELAY CONTROL LT GRN WIRE OFF PARK PNK HEADLAMP ON IND CONTROL WIRE PNK WIRE PNK/WHT WIRE PPL/WHT WIRE RED WIRE RIGHT HEADLAMP RIGHT HI BEAM FUSE 45 RIGHT HIGH BEAM HEADLAMP RIGHT LO BEAM FUSE 42 RIGHT LOW BEAM HEADLAMP SEALED SPLICE PACK TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

225 7076 STARTING/CHARGING SYSTEM 23 1786 STARTING/ CHARGING SYSTEM TRANSMISSION SYSTEM 2501 6399 COMPUTER DATA LINES SYSTEM 5985 2500 COMPUTER DATA LINES SYSTEM 6141 2700 2365 1271 419 459 COOLING FANS SYSTEM A/C REFRIGERANT PRESSURE SENSOR ACC WAKE SER DATA SER DATA BUS + AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK/WHT WIRE BLOCK BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK GRN/WHT WIRE ECM RELAY CTRL TAC MTR CTRL 1 IGN VOLT EGR MTR HI CTRL LOW REF A/C REFRIG SENS SIG FUEL LEVEL SENSOR SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL PRESSURE GAUGE FUEL GAUGE FUEL LEVEL SENSOR (ON LEFT FRAME RAIL) FUEL PUMP RLY CTRL LOW REF FUEL RAIL TEMPERATURE (FRT) SENSOR (ON TOP LEFT SIDE OF ENGINE) GEN TURN ON SIG CHARGE IND CTRL GENERATOR SIG PARK/NEUTRAL SIG GRN WIRE GRY WIRE IND INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW ENGINE OIL PRESSURE IND LOW REF LT BLU WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL A/C CLUTCH RLY CTRL ORG/ WIRE ORG/BLK WIRE PNK PNK PNK 1 2 3 WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL SER DATA BUS - TOS SIG TACHOMETER TAN WIRE TAN/BLK WIRE TRANSMISSION SYSTEM VEHICLE SPEED SIG WAIT TO WAIT TO START IND CTRL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE