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ELECTRICAL SYSTEMS 4 FWIRING DIAGRAMS IndexTable of Contents PageWiring Colors for MerCruiser 4F1Engine 4F2 MCM Stern Drive 4F2 MIE Inboard Models 4F13 MCM Stern Drive 4F13 MIE Inboard 4F16 Dual Station Wiring Using a Neutral Safety Switch in Only One Remote Control 4F18 Dual Station Wiring Using A Neutral Safety Switch In Both Remote Controls 4F19 Dual Station Wiring Using a Neutral Safety Switch in Engine Wiring Harness 4F20 MultiPort Injection Wiring Diagram Chart 1 Of 4 4F21 MultiPort Injection Wiring Diagram Chart 2 Of 4 4F22 MultiPort Injection Wiring Diagram Chart 3 Of 4 4F23 MultiPort Injection Wiring Diagram Chart 4 Of 4 4F24 Throttle Body Injection Wiring Diagram Chart 1 Of 4 4F25 Throttle Body Injection Wiring Diagram Chart 2 Of 4 4F26 Throttle Body Injection Wiring Diagram Chart 3 Of 4 4F27 Throttle Body Injection Wiring Diagram Chart 4 Of 4 4F28 Index4F0 WIRING DIAGRAMS 908232242 796Wiring Colors for MerCruiserNOTE Color codes listed below DO NOT apply to fuel injection system harnesses BIA COLOR CODE AND ABBREVIATIONS WHERE USEDBLACK BLK All GroundsBROWN BLU Reference Electrode ORN Anode BLUEWHITE LT BLUWHT Trim Up SwitchGRAY GRY Tachometer GRNWHT Trim Down SwitchTAN TAN Water Temperature Sender to GaugeLIGHT BLUE LIT BLU Oil Pressure Sender to GaugePINK PNK Fuel Gauge Sender to BRNWHT Trim Sender to Trim PURWHT Trim Trailer SwitchRED RED Unprotected Wires from REDPUR Protected Fused Wires from REDPUR Protected 12V to Trim PanelORANGE ORN Alternator PURYEL Ballast BypassPURPLE PUR Ignition Switch 12V Starter Switch to Starter Solenoid to Neutral StartYELLOWRED YELRED Switch Index908232242 796 WIRING DIAGRAMS 4F1EngineMCM Stern IV WITH IGNITION MODULE MOUNTED ON EXHAUST ELBOW 1 3 3 2 1 2 3 3 2 1 1 6 5 4 2 3 50844A Ignition And Choke System C Audio Warning System1 Distributor 1 Oil Pressure Sender2 Ignition Module 2 Water Temperature Sender3 Ignition Coil 3 Trim SenderB Starting And Charging System D System1 Alternator 1 Water Temperature2 Ground Stud 2 Oil Pressure Switch3 Battery 3 Drive Unit Oil Bottle Old And New Style4 Starter Motor5 Circuit Breaker6 Starter Slave Solenoid Index4F2 WIRING DIAGRAMS 908232242 796THUNDERBOLT IV WITH IGNITION MODULE MOUNTED ON DISTRIBUTOR 1 3 3 C 1 2 A WHTRED WHTGRN GRY PUR 3 2 2 1 D 1 6 4 5 2 3 B 72936A Ignition And Choke System C Audio Warning System1 Distributor With Ignition Module 1 Oil Pressure Sender2 Ignition Module 2 Water Temperature Sender3 Ignition Coil 3 Trim SenderB Starting And Charging System D System1 Alternator 1 Water Temperature2 Ground Stud 2 Oil Pressure Switch3 Battery 3 Drive Unit Oil Bottle Old And New Style4 Starter Motor5 Circuit Breaker6 Starter Slave Solenoid Index908232242 796 WIRING DIAGRAMS 4F3THUNDERBOLT V 1 3 C A 2 1 4 3 2 3 1 2 D 1 7 3 5 6 2 4 B 73996A Ignition And Choke System C Audio Warning System1 Distributor With Ignition Module 1 Oil Pressure Sender2 Timing Lead 2 Water Temperature Sender3 Knock Sensor 3 Trim Sender4 Ignition Coil D SystemB Starting And Charging System 1 Water Temperature1 Alternator 2 Oil Pressure Switch2 Electric Choke 3 Drive Unit Oil Bottle Old And New Style3 Ground Stud4 Battery5 Starter Motor6 Circuit Breaker7 Starter Slave Solenoid Index4F4 WIRING DIAGRAMS 908232242 796ALL MCM THROTTLE BODY MULTIPORT INJECTION STARTING AND CHARGING DIAGRAM B 2 2 1 C 3 2 1 6 1 c 5 3 b 2 A 4 a d 71693A Charging And Starting System C System1 Alternator 1 Oil Pressure Sender2 Ground Stud 2 Water Temperature Sender3 Starter Motor 3 Trim Sender4 Battery5 Circuit Breaker6 Starter Slave Solenoid a Positive 12V Power Wire To Furl Injection System HarnessB Audio Warning System Power Reduction b Harness Connector To Fuel Injection System HarnessCircuit Not Present On 1996 And Newer Models c Auxiliary Tachometer Lead1 Oil Pressure d 90 Amp Fuse DO NOT Remove2 Drive Unit Oil Level Bottle New And Old Style Index908232242 796 WIRING DIAGRAMS 4F5ALL THROTTLE BODY MULTIPORT INJECTION INBOARD AND SKI ENGINES A 2 1 B NOTE 1 2 1 5 4 c 1 6 b 3 2 a C dNOTE 1 Taped back BROWN and BLACK wire may be used for an accessory LOAD MUST NOT EXCEED 5AMPSA Audio Warning System C Charging And Starting System1 Oil Pressure Switch 1 Alternator2 Transmission Fluid Temperature 2 Ground StudB System 3 Starter 4 Circuit Breaker1 Oil Pressure Sender 5 Starter Slave Solenoid2 Water Temperature Sender 6 Neutral Safety Switch a Positive 12V Power Wire To Fuel Injection System Harness b Harness Connector To Fuel Injection System Harness c Auxiliary Tachometer Lead d 90 Amp System Fuse Index4F6 WIRING DIAGRAMS 908232242 796MCM 74LX MIE 74L THROTTLE BODY INJECTION NOTE 1 3 8 4 12 9 10 2 6 7 16 11 5 17 14 18 13 15 19 1 75001Note All BLACK Wires With A Ground Symbol Are Interconnected Within The Fuel Injection System HarnessNOTE 1 As a mid year 9612 model change the Throttle Body and MultiPort Injection models have the lanyard stop connector removed from the wiring harness The dual engine capability is relocated by routing the YELwire to the Data Link Connector DLC1 Fuel Pump 11 Engine Coolant Temperature ECT Sensor2 Throttle Body 12 Electronic Control Module ECM3 Distributor 13 Fuel Pump Relay4 Coil 14 IgnitionSystem Relay5 Electronic Spark Control KS Module 15 Fuse 15 Amp Fuel Pump6 Data Link Connector DLC 16 Fuse 15 Amp ECMDLCBattery7 Manifold Absolute Pressure MAP Sensor 17 Fuse 10 Amp Module8 Knock Sensor 18 Harness Connector To Harness9 Idle Air Control IAC 19 Positive Power Wire To Engine Circuit Breaker10 Throttle Position TP Sensor Index908232242 796 WIRING DIAGRAMS 4F774L 74LX 454 502 MULTIPORT MAGNUM ENGINE DIAGRAM MODELS WITH VST NOTE 1 1 3 7 8 4 2 9 11 10 13 20 6 18 12 5 17 21 19 15 14 16 22 71692NOTE 1 As a mid year 9612 model change the Throttle Body and Multi Port Injection models have the lanyard stop connector removed from the wiring harness The dual engine capability is relocated by routing the YELwire to the Data Link Connector DLCNOTE 2 All BLACK wires with a ground symbol are interconnected within the fuel injection system harness1 Vapor Separator Tank 12 Engine Coolant Temperature ECT Sensor2 Throttle Body 13 Electronic Control Module ECM Sensor3 Distributor 14 Fuel Pump Relay4 Coil 15 Ignition Relay5 Knock Sensor KS Module 16 Fuel Pump Relay 15 Amp6 Data Link Connector DLC 17 Injector Fuse 15 Amp ECM DLC Battery7 Manifold Absolute Pressure MAP Sensor 18 ECM Fuse 10 Amp ECM Ignition Injectors Knock Sen8 Intake Air Temperature IAT Sensor sor Module9 Knock Sensor KS 19 Harness Connector To Starting Charging Harness10 Idle Air Control IAC 20 Harness Connector To Lanyard Stop Switch Optional11 Throttle Positive Sensor TP 21 Harness Connector For Dual Engine Data Link Cable 22 Positive Power Wire To Engine Circuit Breaker Index4F8 WIRING DIAGRAMS 908232242 79674L 74LX 454 502 MULTIPORT MAGNUM ENGINE DIAGRAM MODELS WITH COOL FUELSYSTEM 3 7 4 2 8 12 10 9 6 17 18 11 5 16 14 13 15 19 1 75146NOTE All BLACK wires with a ground symbol are interconnected within the EFI system harness1 Fuel Pump 11 Engine Coolant Temperature ECT Sensor2 Throttle Body 12 Electronic Control Module ECM3 Distributor 13 Fuel Pump Relay4 Coil 14 IgnitionSystem Relay5 Electronic Spark Control KS Module 15 Fuse 15 Amp Fuel Pump6 Data Link Connector DLC 16 Fuse 15 Amp ECMDLCBattery7 Manifold Absolute Pressure MAP Sensor 17 Fuse 10 Amp Module8 Knock Sensor 18 Harness Connector To Harness9 Idle Air Control IAC 19 Positive Power Wire To Engine Circuit Breaker10 Throttle Position TP Sensor Index908232242 796 WIRING DIAGRAMS 4F9MIE Inboard IV WITH IGNITION MODULE MOUNTED ON EXHAUST ELBOW 1 C A 1 2 3 2 1 D 3 2 NOTE 1 7 5 6 4 B 2 3 50773NOTE Taped Back BROWNWHITE wire may be used for an accessory LOAD MUST NOT EXCEED 5 AMPSA Ignition And Choke System C Audio Warning System1 Distributor 1 Water Temperature2 Ignition Module 2 Oil Pressure3 Ignition Coil 3 Transmission Fluid TemperatureB Starting And Charging System D System1 Alternator 1 Oil Pressure Sender2 Ground Stud 2 Water Temperature Sender3 Battery4 Starter Motor5 Circuit Breaker6 Neutral Start Safety Switch7 Starter Slave Solenoid Index4F10 WIRING DIAGRAMS 908232242 796THUNDERBOLT IV IGNITION MODULE MOUNTED ON DISTRIBUTOR A C 1 1 3 2 WHTRED WHTGRN GRY PUR 1 D 2 NOTE 2 1 7 5 4 6 B 2 3 72937NOTE Taped Back BROWNWHITE wire may be used for an accessory LOAD MUST NOT EXCEED 5 AMPSA Ignition And Choke System C Audio Warning System1 Distributor 1 Water Temperature2 Ignition Module 2 Oil Pressure3 Ignition Coil 3 Transmission Fluid TemperatureB Starting And Charging System D System1 Alternator 1 Oil Pressure Sender2 Ground Stud 2 Water Temperature Sender3 Battery4 Starter Motor5 Circuit Breaker6 Neutral Start Safety Switch7 Starter Slave Solenoid Index908232242 796 WIRING DIAGRAMS V A 3 C 1 2 1 4 3 2 1 D 2 NOTE 1 7 5 8 6 2 3 4 B 74160NOTE Taped Back BROWNWHITE wire may be used for an accessory LOAD MUST NOT EXCEED 5 AMPSA Ignition And Choke System C Audio Warning System1 Distributor With Ignition Module 1 Water Temperature Sender2 Timing Lead 2 Oil Pressure Sender3 Knock Sensor 3 Transmission Fluid Temperature4 Ignition Coil D SystemB Starting And Charging System 1 Water Temperature1 Alternator 2 Oil Pressure Switch2 Electric Choke3 Ground Stud4 Battery5 Starter Motor6 Circuit Breaker7 Starter Slave Solenoid8 Neutral Start Safety Switch Index4F12 WIRING DIAGRAMS 908232242 796Quicksilver Stern DriveEARLIER STYLE CONTROL AND AUDIO WARNING BUZZER 1 2 3 4 5 6 8 7 NOTES 1 2 72938Refer to gauge manufacturers instructions for specific 1 Connect wires together with screw and hex nut Apply Liquid Neoprene to connection and slide rubbersleeve over connectionNOTE 2 Power for a fused accessory panel may be taken from this connection Load MUST NOT exceed 3540amps Panel ground wire MUST BE connected to instrument terminal that has an 8 gauge BLACK Ground harness wire connected to it1 Audio Warning Buzzer If So Equipped 5 Battery Meter2 Tachometer 6 Ignition Switch3 Oil Pressure 7 Trim Indicator4 Water Temperature 8 20 Amp Fuse Index908232242 796 WIRING DIAGRAMS 4F13454502 MAGNUM MULTIPORT INJECTION WITH EARLIER STYLE CONTROLS AND AUDIOWARNING BUZZER 1 2 3 4 5 8 6 7 NOTES 1 2 71695Refer to gauge manufacturers instructions for specific 1 Connect wires together with screw and hex nut Apply Liquid Neoprene to connection and slide rubbersleeve over connectionNOTE 2 Power for a fused accessory panel may be taken from this connection Load MUST NOT exceed 40amps Panel ground wire MUST BE connected to instrument terminal that has an 8 gauge BLACK Ground harness wire connected to it1 Audio Warning Buzzer If Equipped 5 Battery Meter2 Tachometer 6 Ignition Switch3 Oil Pressure 7 Trim Indicator4 Water Temperature 8 20 Amp Fuse Index4F14 WIRING DIAGRAMS 908232242 796LATER STYLE CONTROLS AND AUDIO WARNING BUZZER 1 2 3 4 5 6 8 NOTE 2 7 NOTE 1 NOTE 1 NOTE 1 74046Refer to gauge manufacturers instructions for specific 1 Connect wires together with screw and hex nut Apply Liquid Neoprene to connection and slide rubbersleeve over connectionNOTE 2 Power for a fused accessory panel may be taken from this connection Load MUST NOT exceed 40amps Panel ground wire MUST BE connected to instrument terminal that has an 8 gauge BLACK Ground harness wire connected to it1 Audio Warning Buzzer If Equipped 5 Battery Meter2 Tachometer 6 Ignition Switch3 Oil Pressure 7 Trim Indicator4 Water Temperature 8 20 Amp Fuse Index908232242 796 WIRING DIAGRAMS 4F15MIE InboardEARLIER STYLE AUDIO WARNING BUZZER 1 2 3 4 5 6 7 B S I 72939Refer to gauge manufacturers instructions for specific 1 Connect wires together with screw and hex nut Apply Liquid Neoprene to connection and slide rubbersleeve over connectionNOTE 2 Power for a fused accessory panel may be taken from this connection Load MUST NOT exceed 40amps Panel ground wire MUST BE connected to instrument terminal that has an 8 gauge BLACK Ground harness wire connected to it1 Audio Warning Buzzer If So Equipped 5 Battery Meter2 Tachometer 6 Ignition Switch3 Oil Pressure 7 20 Amp Fuse4 Water Temperature Index4F16 WIRING DIAGRAMS 908232242 796LATER STYLE AUDIO WARNING BUZZER 7 2 1 3 4 5 6 B S I 8 74274Refer to gauge manufacturers instructions for specific 1 Connect wires together with screw and hex nut Apply Quicksilver Liquid Neoprene to connection andslide rubber sleeve over connectionNOTE 2 Power for a second fused accessory panel may be taken from this connection Load MUST NOT exceed 3540 amps Panel ground wire MUST BE connected to instrument terminal that has an 8 gauge BLACKground harness wire connected to it1 Audio Warning Buzzer If So Equipped 5 Battery Meter2 Tachometer 6 Ignition Switch3 Oil Pressure 7 To 12 Volt Source PURPLE Wire Connection4 Water Temperature 8 20 Amp Fuse Index908232242 796 WIRING DIAGRAMS 4F17Dual Station Wiring Using a Neutral Safety Switch in Only One RemoteControl A 1 2 3 4 5 L GND T SW UNSW GND L GND L GND L 12V T 12V T 12V T 12V SEND SEND SEND SIG PUR GRY LT BLU PUR PUR PUR BLK BLK BLK BLK BLK TAN YELRED GRY PUR NOTE 3 YELRED NOTE 1 1 2 3 5 REDPUR 4 BRNWHT GND L B T SW UNSW SI GND L GND GND L L 7 12V T 12V T 12V T 12V SEND SEND SEND SIG REDPUR PUR PUR TAN BLK BLK LT BLU REDPUR BLK YELRED BLK GRY PUR NOTE 2 PUR PUR YELRED NOTE 3 NOTE 3 NOTE 3 NOTE 1 BRNWHT YELRED B YELRED 6 72940NOTE 1 BROWNWHITE wire is taped back at instrument end If installing on boat that is equipped with MerCruiser stern drive BROWNWHITE wire is connected to trim sender terminal block If installing on BROWNWHITE wire is taped back at engine end or it may be used for an accessory limit 5 amperesNOTE 2 An accessory fuse panel may be connected at this location The combined current draw of the primarystation and secondary station MUST NOT exceed 35 amperesNOTE 3 Connect wires together with screw and hex nut Apply Quicksilver Liquid Neoprene to connection andslide rubber sleeve over connectionB Secondary Station B Primary Station1 Start Stop Panel 1 Ignition Switch2 Tachometer 2 Tachometer3 Oil Pressure 3 Oil Pressure4 Water Temperature 4 Water Temperature5 Battery Meter 5 Battery Meter Index4F18 WIRING DIAGRAMS 908232242 796Dual Station Wiring Using A Neutral Safety Switch In Both Remote Controls A 2 1 3 4 5 L GND T SWUNSW L L GND L GND GND 12V T T T 12V 12V 12V SEND SEND SEND SIG PUR YELRED GRY LT BLU PUR PUR PUR BLK BLK BLK BLK BLK TAN YELRED GRY PUR NOTE 3 NOTE 3 YELRED NOTE 1 1 2 3 5 REDPUR 4 BRNWHT GND L B T SW UNSW S L GND L GND L GND I T 12V T 12V T 12V 12V 7 SIG SEND SEND SEND ORN REDPUR BLK REDPUR PUR PUR TAN LT BLU BLK BLK GRY YELRED PUR NOTE 2 BLK PUR PUR 6 NOTE 3 YELRED NOTE 1 YELRED NOTE 3 BRNWHT NOTE 3 YELRED B YELRED 72941NOTE 1 BROWNWHITE wire is taped back at instrument end If installing on boat that is equipped with MerCruiser stern drive BROWNWHITE wire is connected to trim sender terminal block If installing on BROWNWHITE wire is taped back at engine end or it may be used for an accessory limit 5 amperesNOTE 2 An accessory fuse panel may be connected at this location The combined current draw of the primarystation and secondary station MUST NOT exceed 35 amperesNOTE 3 Connect wires together with screw and hex nut Apply Quicksilver Liquid Neoprene to connection andslide rubber sleeve over connectionA Secondary Station B Primary Station1 Start Stop Panel 1 Ignition Switch2 Tachometer 2 Tachometer3 Oil Pressure 3 Oil Pressure4 Water Temperature 4 Water Temperature5 Battery Meter 5 Battery Meter 6 To Engine 7 20 Ampere Fuse Index908232242 796 WIRING DIAGRAMS 4F19Dual Station Wiring Using a Neutral Safety Switch in Engine Wiring Harness A 1 2 3 4 5 L GND T SW UNSW L L GND L GND 12V GND T T T 12V 12V 12V SEND SEND SEND SIG PUR GRY LT BLU PUR PUR PUR BLK BLK BLK BLK BLK TAN YELRED GRY PUR NOTE 3 YELRED NOTE 1 1 2 3 4 5 REDPUR BRNWHT GND L B T SW UNSW S L GND L GND L GND I T T 12V 12V T 12V 12V 7 SIG SEND SEND SEND REDPUR BLK BLK PUR PUR TAN LT BLU REDPUR BLK PUR GRY YELRED BLK PUR NOTE 2 PUR 6 YELRED NOTE 3 NOTE 3 NOTE 1 YELRED BRNWHT NOTE 3 B 72942NOTE 1 BROWNWHITE wire is taped back at instrument end If installing on boat that is equipped with MerCruiser stern drive BROWNWHITE wire is connected to trim sender terminal block If installing on BROWNWHITE wire is taped back at engine end or it may be used for an accessory limit 5 amperesNOTE 2 An accessory fuse panel may be connected at this location The combined current draw of the primarystation and secondary station MUST NOT exceed 35 amperesNOTE 3 Connect wires together with screw and hex nut Apply Quicksilver Liquid Neoprene to connection andslide rubber sleeve over connectionA Secondary Station B Primary Station1 Start Stop Panel 1 Ignition Switch2 Tachometer 2 Tachometer3 Oil Pressure 3 Oil Pressure4 Water Temperature 4 Water Temperature5 Battery Meter 5 Battery Meter 6 To Engine 7 20 Ampere Fuse Index4F20 WIRING DIAGRAMS 908232242 796MultiPort Injection Wiring Diagram Chart 1 Of 4 INJECTORS 2 3 5 8 467 DK BLU 10A 15A INJECTORS 1 4 6 7 DK GRN PORT FUEL JUMPER IS CONNECTED ONLY IN MPI APPLICATIONS R 15A 87a 30 85 86 87 BLK 441 BLUWHT IDLE AIR 442 BLUBLK CONTROL IAC VALVE 443 GRNWHT 444 GRNBLK C BLK DUAL ENGINE DATA LINK MULTIPLE ENGINE B 916 YEL J15 MASTERSLAVE APPLICATION SOME MODELS A SOME MODELS WILL HAVE THE 461 ORNBLK DUAL ENGINE 916 YEL DATA LINK BLK DLC MOVED TO THE DLC TO ECMBAT FUSE 15A 440 ORN MALFUNCTION INDICATOR LAMP Index908232242 796 WIRING DIAGRAMS 4F21MultiPort Injection Wiring Diagram Chart 2 Of 4 INTAKE AIR TEMPERATURE INTAKE AIR IAT SENSOR SIGNAL TEMPERATURE THIS SENSOR IS NOT ON IAT 57L 350 CID ENGINES B C TP A ENGINE COOLANT TEMPERATURE ECT ENGINE COOL ANT TEMPERATURE ECT SENSOR SIGNAL Index4F22 WIRING DIAGRAMS 908232242 796MultiPort Injection Wiring Diagram Chart 3 Of 4 IC MODULE EST MODULE B A ELECTRONIC SPARK TIMING EST IGNITION CONTROL 430 PURWHT DIST REFERENCE HIGH BYPASS DIST REFERENCE LOW BRN 86 TO BUZZER TAN D 121 BLU TAN TO IGN PUR C 3 PNK TO AUDIO WARNING BLU B SWITCHES TAN TO TACH GRY A 121 WHT COOLANT OVERTEMP TO BUZZER LOW OIL PRESSURELOW IO FLUID TO BUZZER 931 J16 TO LOW OIL PRESSURE AND BRN GEAR LUBE SWITCHES OR TRANS TEMPERATURE Index908232242 796 WIRING DIAGRAMS 4F23MultiPort Injection Wiring Diagram Chart 4 Of 4 TO IGN COIL TERM B TO FUEL PUMP RELAY FUSE 15A TO INJECTORS SYSTEMIGNITION RELAY 8 8 6 5 8 7 ECM BAT FUSE 10A DLC 15A TO DLC CONNECTOR 439 PNKBLK KNOCK KNOCK SENSOR KS SENSOR KS MODULE LANYARD STOP A SWITCH CIRCUIT CONNECTOR NOT PRESENT OPTIONAL ON SOME MULTIPORT MODELS B BLK Index4F24 WIRING DIAGRAMS 908232242 796Throttle Body Injection Wiring Diagram Chart 1 Of 4 INJECTOR 467 DK BLU 10A 15A INJECTOR DK GRN R 15A 87a 30 85 86 87 BLK 441 BLUWHT IDLE AIR 442 BLUBLK CONTROL IAC VALVE 443 GRNWHT 444 GRNBLK C BLK DUAL ENGINE DATA LINK MULTIPLE ENGINE B 916 YEL J15 MASTERSLAVE APPLICATION SOME MODELS A SOME MODELS WILL HAVE THE 461 ORNBLK DUAL ENGINE 916 YEL BLK DATA LINK DLC MOVED TO THE DLC TO ECMBAT FUSE 15A 440 ORN MALFUNCTION INDICATOR LAMP Index908232242 796 WIRING DIAGRAMS 4F25Throttle Body Injection Wiring Diagram Chart 2 Of 4 B C TP A ENGINE COOL ANT ENGINE COOLANT TEMPERATURE TEMPERATURE ECT ECT SENSOR SIGNAL Index4F26 WIRING DIAGRAMS 908232242 796Throttle Body Injection Wiring Diagram Chart 3 Of 4 IC MODULE EST MODULE B A ELECTRONIC SPARK TIMING EST IGNITION CONTROL 430 PURWHT DIST REFERENCE HIGH BYPASS DIST REFERENCE LOW BRN 86 TO BUZZER TAN D 121 BLU TAN TO IGN PUR C 3 PNK TO AUDIO WARNING BLU B SWITCHES TAN TO TACH GRY A 121 WHT COOLANT OVER TEMP TO BUZZER LOW OIL PRESSURELOW IO FLUID TO BUZZER 931 J16 TO LOW OIL PRESSURE AND BRN GEAR LUBE SWITCHES OR TRANS TEMPERATURE Index908232242 796 WIRING DIAGRAMS 4F27Throttle Body Injection Wiring Diagram Chart 4 Of 4 TO IGN COIL TERM B TO FUEL PUMP RELAY FUSE 15A TO INJECTORS SYSTEMIGNITION RELAY 8 85 6 87 ECM BAT FUSE 10A DLC 15A TO DLC CONNECTOR 439 PNKBLK KNOCK KNOCK SENSOR KS SENSOR KS MODULE LANYARD STOP A SWITCH CIRCUIT CONNECTOR NOT PRESENT ON SOME EFI MODELS OPTIONAL B BLK Index4F28 WIRING DIAGRAMS 908232242 796 THIS PAGE IS INTENTIONALLY BLANK TO ALLOW FOR CORRECTIONS OR ADDITIONS AT A LATER DATE Index908232242 796 WIRING DIAGRAMS 4F29 THIS PAGE IS INTENTIONALLY BLANK TO ALLOW FOR CORRECTIONS OR ADDITIONS AT A LATER DATE Index4F30 WIRING DIAGRAMS 908232242 796


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