E-C1(continued)CLR-GA WIRE NAME POS TERM/PLUG1 8T-8737WH-18 G828-E1 2 180-9340GN-18 G829-E5 3 180-93404 8T-87375 8T-87376 8T-87377 8T-8737BU-18 G850-E9 8 180-93409 8T-873710 8T-873711 8T-873712 8T-873713 8T-8737GY-18 A747-E10 14 180-934015 8T-873716 8T-8737PK-18 C991-E49 17 180-9340PK-18 G833-E11 18 180-934019 8T-873720 8T-873721 8T-873722 8T-873723 8T-8737GY-18 994-E16 24 180-9340BR-18 G849-E17 25 180-934026 8T-873727 8T-873728 8T-873729 8T-873730 8T-873731 8T-8737BU-18 995-E18 32 180-934033 8T-873734 8T-8737BU-18 C967-E20 35 180-9340GY-18 A701-E21 36 180-9340E-C2CLR-GA WIRE NAME POS TERM/PLUGWH-18 G828-E2 1 180-9340GN-18 G829-E8 2 180-9340GY-18 A747-E10 3 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 230-4013E-C3CLR-GA WIRE NAME POS TERM/PLUGWH-18 G828-E3 1 180-9340GN-18 G829-E7 2 180-9340PK-18 A746-E25 3 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 230-4013E-C4CLR-GA WIRE NAME POS TERM/PLUGRD-18 C987-E44 A 116-6159BU-18 G850-E42 B 116-6159ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 116-61582 SEAL 100-66741 RETAINER 111-24221 CAP 116-6161E-C5CLR-GA WIRE NAME POS TERM/PLUGBR-18 G826-E14 1 180-9340BU-18 G827-E49 2 180-9340GY-18 994-E16 3 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 237-0227E-C6CLR-GA WIRE NAME POS TERM/PLUGBU-18 995-E18 1 180-9340PK-18 G833-E12 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 230-4011E-C7CLR-GA WIRE NAME POS TERM/PLUGBU-18 C967-E20 1 180-9340PK-18 G833-E13 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 230-4011E-C8CLR-GA WIRE NAME POS TERM/PLUGRD-18 C987-E44 1 180-9340BU-18 G850-E43 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C9CLR-GA WIRE NAME POS TERM/PLUGWH-18 G828-E4 1 180-9340GN-18 G829-E6 2 180-9340BR-18 G849-E17 3 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 237-0227E-C11CLR-GA WIRE NAME POS TERM/PLUGGY-18 A701-E21 1 180-9339PU-18 A702-E22 2 180-9339BR-18 A703-E23 3 180-9339GN-18 A704-E24 4 180-9339BU-18 A705-E40 5 180-9339GY-18 A706-E41 6 180-9339YL-18 L985-E35 7 180-9339YL-18 L985-E34 8 180-9339OR-18 L984-E30 9 180-9339OR-18 L984-E31 10 180-9339WH-18 L983-E29 11 180-9339WH-18 L983-E28 12 180-9339ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 3E-51791 WEDGE 3E-5180E-C12CLR-GA WIRE NAME POS TERM/PLUGBK-18 E963-E39 A 111-1567WH-18 E964-E38 B 111-1567ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 100-3320E-C13CLR-GA WIRE NAME POS TERM/PLUGBU-18 E965-E37 A 111-1567YL-18 E966-E36 B 111-1567ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 111-2416E-C14CLR-GA WIRE NAME POS TERM/PLUGWH-18 M795-E99 1 180-9340BK-18 C211-E98 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C15CLR-GA WIRE NAME POS TERM/PLUGPK-18 G854-E45 1 180-9340PU-18 G855-E46 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C16CLR-GA WIRE NAME POS TERM/PLUGBR-18 G826-E19 1 180-9340BU-18 G827-E50 2 180-9340PK-18 C991-E49 3 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 237-0227BU-18 A705-E40 54 180-9340GY-18 A706-E41 55 180-934056 8T-873757 8T-8737YL-18 E966-E36 58 180-9340BU-18 E965-E37 59 180-934060 8T-8737PK-18 G854-E45 61 180-9340PU-18 G855-E46 62 180-9340WH-18 M795-E99 63 180-9340BK-18 C211-E98 64 180-934065 8T-873766 8T-873767 8T-873768 8T-873769 8T-873770 8T-8737ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 160-76902 STRAP 3S-20931 ENDBELL 126-1774PU-18 A702-E22 37 180-9340BR-18 A703-E23 38 180-9340GN-18 A704-E24 39 180-9340PK-18 A746-E25 40 180-9340BR-18 G826-E26 41 180-9340BU-18 G827-E47 42 180-934043 8T-8737WH-18 L983-E27 44 180-9340OR-18 L984-E32 45 180-9340YL-18 L985-E33 46 180-934047 8T-8737WH-18 E964-E38 48 180-9340BK-18 E963-E39 49 180-934050 8T-873751 8T-873752 8T-873753 8T-8737E-C1RENR7872-018 PageConnector and Splice Locations for Harness 222-5905 and 222-5907Engine CoolantTemperatureE-C6Injection ActuationPressure ControlValveE-C15Inlet Air HeaterRelayE-C8Intake ManifoldAir TemperatureE-C7Injection ActuationPressureE-C9Engine OilPressureE-C5TurboWastegateSolenoidE-C14 Primary EngineSpeed/Timing(Top)E-C12Secondary EngineSpeed/Timing(Bottom)E-C13BoostPressureE-C3AtmosphericPressureE-C2InjectorHarnessConnectorE-C11EngineControlModule(P2)E-C1Inlet Air HeaterLampE-C4E-S3(G833 PK-18)E-S4(L983 WH-18)E-S5(L984 OR-18)E-S6(L985 YL-18)E-S7(G850 BU-18)E-S2(G829 GN-18)E-S1(G828 WH-18)Injector HarnessConnectorE-C11Engine CoolantTemperatureE-C6Engine OilPressureE-C5TurboWastegateSolenoidE-C14FuelPressureE-C16AtmosphericPressureE-C2Intake ManifoldAir TemperatureE-C7Inlet AirHeater RelayE-C8Injection ActuationPressure ControlValveE-C15Inlet AirHeater LampE-C4BoostPressureE-C3InjectionActuationPressureE-C9E-S3(G833 PK-18)E-S4(L983 WH-18)E-S5(L984 OR-18)E-S6(L985 YL-18)E-S7(G850 BU-18)E-S2(G829 GN-18)E-S8(G826 -18)E-S9(G827 BU-18)E-S1(G828 WH-18)EngineControlModule(P2)E-C1Connector and Splice Locations for Harness 266-7696 and 266-7698E-C1CLR-GA WIRE NAME POS TERM/PLUG1 8T-8737WH-18 G828-E1 2 180-9340GN-18 G829-E5 3 180-93404 8T-87375 8T-87376 8T-87377 8T-8737BU-18 G850-E9 8 180-93409 8T-873710 8T-873711 8T-873712 8T-873713 8T-8737GY-18 A747-E10 14 180-934015 8T-873716 8T-873717 8T-8737PK-18 G833-E11 18 180-934019 8T-873720 8T-873721 8T-873722 8T-873723 8T-8737GY-18 994-E16 24 180-9340BR-18 G849-E17 25 180-934026 8T-873727 8T-873728 8T-873729 8T-873730 8T-873731 8T-8737BU-18 995-E18 32 180-934033 8T-873734 8T-8737BU-18 C967-E20 35 180-9340GY-18 A701-E21 36 180-9340PU-18 A702-E22 37 180-9340BR-18 A703-E23 38 180-9340GN-18 A704-E24 39 180-9340PK-18 A746-E25 40 180-9340BR-18 G826-E26 41 180-9340BU-18 G827-E27 42 180-934043 8T-8737WH-18 L983-E27 44 180-9340OR-18 L984-E32 45 180-9340YL-18 L985-E33 46 180-934047 8T-8737WH-18 E964-E38 48 180-9340BK-18 E963-E39 49 180-934050 8T-873751 8T-873752 8T-873753 8T-8737E-C12CLR-GA WIRE NAME POS TERM/PLUGBK-18 E963-E39 A 111-1567WH-18 E964-E38 B 111-1567ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 100-3320E-C13CLR-GA WIRE NAME POS TERM/PLUGBU-18 E965-E37 A 111-1567YL-18 E966-E36 B 111-1567ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 111-2416E-C4CLR-GA WIRE NAME POS TERM/PLUGRD-18 C987-E44 A 116-6159BU-18 G850-E42 B 116-6159ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 116-61582 SEAL 100-66741 RETAINER 111-24221 CAP 116-6161E-C14CLR-GA WIRE NAME POS TERM/PLUGWH-18 M795-E99 1 180-9340BK-18 C211-E98 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C3CLR-GA WIRE NAME POS TERM/PLUGWH-18 G828-E3 A 180-9340GN-18 G829-E7 B 180-9340PK-18 A746-E25 C 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22671 WEDGE 155-2276E-C8CLR-GA WIRE NAME POS TERM/PLUGRD-18 C987-E44 1 180-9340BU-18 G850-E43 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C15CLR-GA WIRE NAME POS TERM/PLUGPK-18 G854-E45 1 180-9340PU-18 G855-E46 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C9CLR-GA WIRE NAME POS TERM/PLUGWH-18 G828-E4 A 180-9339GN-18 G829-E6 B 180-9339BR-18 G849-E17 C 180-9339ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 3E-33701 WEDGE 3E-3371E-C2CLR-GA WIRE NAME POS TERM/PLUGWH-18 G828-E2 A 180-9340GN-18 G829-E8 B 180-9340GY-18 A747-E10 C 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22671 WEDGE 155-2276E-C5CLR-GA WIRE NAME POS TERM/PLUGBR-18 G826-E26 A 180-9340BU-18 G827-E27 B 180-9340GY-18 994-E16 C 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22671 WEDGE 155-2276E-C6CLR-GA WIRE NAME POS TERM/PLUGBU-18 995-E18 1 180-9340PK-18 G833-E12 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261E-C11CLR-GA WIRE NAME POS TERM/PLUGGY-18 A701-E21 1 180-9339PU-18 A702-E22 2 180-9339BR-18 A703-E23 3 180-9339GN-18 A704-E24 4 180-9339BU-18 A705-E40 5 180-9339GY-18 A706-E41 6 180-9339YL-18 L985-E35 7 180-9339YL-18 L985-E34 8 180-9339OR-18 L984-E30 9 180-9339OR-18 L984-E31 10 180-9339WH-18 L983-E29 11 180-9339WH-18 L983-E28 12 180-9339ACCESSORY TABLEQTY PART NAME P/N1 RECEPTACLE AS. 3E-51791 WEDGE 3E-5180E-C7CLR-GA WIRE NAME POS TERM/PLUGBU-18 C967-E20 1 180-9340PK-18 G833-E13 2 180-9340ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 155-22691 WEDGE 155-2261BU-18 A705-E40 54 180-9340GY-18 A706-E41 55 180-934056 8T-873757 8T-8737YL-18 E966-E36 58 180-9340BU-18 E965-E37 59 180-934060 8T-8737PK-18 G854-E45 61 180-9340PU-18 G855-E46 62 180-9340WH-18 M795-E99 63 180-9340BK-18 C211-E98 64 180-934065 8T-873766 8T-873767 8T-873768 8T-873769 8T-873770 8T-8737ACCESSORY TABLEQTY PART NAME P/N1 PLUG AS. 160-76902 STRAP 3S-20931 ENDBELL 126-1774E-C1 (continued)Connector Tables for Harness 222-5905 and 222-5907Connector Tables for Harness 266-7696 and 266-7698Primary EngineSpeed/Timing(Top)E-C12Secondary EngineSpeed/Timing(Bottom)E-C132006 CaterpillarAll Rights ReservedPrinted in U.S.A. RENR7872-01January 2006C7On-highwayEngineElectricalSystemYPG1-UPC7T1-UP12105-9344PinSocketFuseComponentPart NumberPin or SocketNumberReceptacle PlugConnector ReferenceDesignatorSingle Wire GroundConnection ConnectorHarness And Wire Symbols325-AG135 PK-14P2741117898J2743E5179P1741306795CircuitNumberIdentificationWireColorWireGaugeJ1741306795200-L32 BK-14325-A135 PK-14Part Number ForConnector AssemblyHarness identification codeThis example indicateswire 135 in harness "AG".Related Electrical Service ManualsForm NumberSENR9517RENR7572TitleTroubleshootingSystems Operation / Testing and AdjustingPID-FMI FlashCode Description PID-FMI FlashCode DescriptionN/A 55 No Diagnostic Code Detected 102-04 25 Boost Pressure voltage low001-11 72 Cylinder #1 Injector current fault 102-07 25 Boost Pressure not responding002-11 72 Cylinder #2 Injector current fault 105-00 64 High Intake Manifold Air Temperature Warning003-11 73 Cylinder #3 Injector current fault 105-03 38 Intake Manifold Air Temperature voltage high004-11 73 Cylinder #4 Injector current fault 105-04 38 Intake Manifold Air Temperature voltage low005-11 74 Cylinder #5 Injector current fault 105-11 64 Very High Intake Manifold Air Temperature006-11 74 Cylinder #6 Injector current fault 108-03 26 Barometric Pressure voltage high022-11 42 Primary to Secondary Engine Speed Signal Calibration 108-04 26 Barometric Pressure voltage low022-13 42 Engine Speed Signal Calibration Not Performed 110-00 61 High Coolant Temperature Warning030-08 29 PTO Throttle signal invalid 110-03 27 Coolant Temperature voltage high030-13 29 PTO Throttle out of calibration 110-04 27 Coolant Temperature voltage low032-05 33 Turbo Wastegate Solenoid current low 110-11 61 Very High Coolant Temperature032-06 33 Turbo Wastegate Solenoid current high 111-01 62 Low Coolant Level Warning032-11 33 Turbo Wastegate Solenoid current mismatch 111-02 12 Coolant Level signal invalid038-03 Second Fuel Level voltage high 111-03 12 Coolant Level voltage high038-04 Second Fuel Level voltage low 111-04 12 Coolant Level voltage low041-03 21 8 Volt Supply voltage high 111-11 62 Very Low Coolant Level041-04 21 8 Volt Supply voltage low 111-14 62 Low Coolant Level Warning042-11 18 Injection Actuation Pressure output fault 128-03 44 Secondary Fuel Level voltage high043-02 71 Key Switch Fault 128-04 44 Secondary Fuel Level voltage low064-02 34 Secondary Engine Speed loss of signal 164-00 17 Excessive Injection Actuation Pressure064-11 34 Secondary Engine Speed no pattern 164-02 15 Injection Actuation Pressure Signal Erratic070-05 49 Inlet Air Heater current low 164-03 15 Injection Actuation Pressure Voltage High070-06 49 Inlet Air Heater current high 164-04 15 Injection Actuation Pressure Voltage Low071-00 01 Idle Shutdown Override 164-11 39 Injection Actuation Pressure system fault071-01 47 Idle Shutdown 168-00 51 Excessive ECM Battery Power071-11 00 Engine Shutdown Override Switch Occurrence 168-01 51 Low ECM Battery Power071-14 47 PTO Shutdown 168-02 51 ECM Battery Power Intermittent084-00 41 Vehicle Overspeed Warning 173-00 16 High Exhaust Gas Temperature Derate084-01 31 Vehicle Speed loss of signal 173-11 16 Very High Exhaust Gas Temperature Derate084-02 36 Vehicle Speed signal invalid 186-04 00 PTO Engine Shutdown Switch Voltage Low084-08 36 Vehicle Speed signal out of range 186-14 47 PTO Engine Shutdown Switch Occurrence084-10 36 Vehicle Speed signal rate of change 190-00 35 Engine Overspeed Warning084-14 00 Quick Stop Occurrence 190-02 34 Primary Engine Speed loss of signal091-08 32 Throttle Position Invalid 190-11 34 Primary Engine Speed no pattern091-13 28 Throttle Position out of Calibration 224-11 00 Theft Deterrent Active094-01 37 Fuel Pressure Low - engine cranking 224-14 00 Theft Deterrent Active with Engine Cranking094-03 37 Fuel Pressure Voltage high 231-02 58 J1939 Data Incorrect094-04 37 Fuel Pressure Voltage low 231-11 58 J1939 Data Link Fault094-11 Fuel Pressure Low - engine running 231-12 00 J1939 Device not responding096-03 00 Fuel Level Voltage High 231-14 57 Transmission Data Link Derate096-04 00 Fuel Level Voltage Low 232-03 21 5 Volt Supply voltage high100-01 46 Low Oil Pressure Warning 232-04 21 5 Volt Supply voltage low100-03 24 Oil Pressure voltage high 246-11 00 Brake Pedal Switch #1 Fault100-04 24 Oil Pressure voltage low 247-11 00 Brake Pedal Switch #2 Fault100-11 46 Very Low Oil Pressure 252-11 59 Engine Software Incorrect102-01 25 Low Boost Pressure 253-02 56 Check Customer or System Parameters102-02 25 Boost Pressure signal erratic 253-14 56 Truck Manufacturer Not Programmed102-03 25 Boost Pressure voltage high N/A 55 No Diagnostic Code DetectedDiagnostic Code ListingRENR7872-018Page,Color2SENSOR / ACTUATOR SUPPLYSIGNAL PLUS TO ECM(+) BATTERY SWITCHEDSIGNAL MINUS TO ECM(+) BATTERY(-) BATTERY / SENSOR RETURNSTARTING CIRCUITCAT DATA LINKCONTROL PLUS FROM ECMCONTROL MINUS FROM ECMJ1939 DATA LINKENGINESPEED/TIMING SENSORS245-4630ENGINE HARNESS WIRING DIAGRAMTYPICAL VEHICLE HARNESS WIRING DIAGRAM994-E16 GY-18G849-E17BR-18994-E16GY-18995-E18 BU-18995-E18 BU -18994-E16 GY -18G826-E19BR -18995-E18 BU-18A701-E21 GY-18A701-E21 GY-18A701-E21 GY-18A702-E22 PU-18A702-E22 PU-18A702-E22 PU-18A703-E23 BR-18A703-E23 BR-18A703-E23 BR-18A704-E24 GN-18A704-E24 GN-18A704-E24 GN-18A705-E40 BU-18A705-E40 BU-18A705-E40 BU-18A706-E41 GY-18A706-E41 GY-18A706-E41 GY-18E963-E39 BK-18E963-E39 BK-18E963-E39 BK-18E964-E38 WH-18G827-E47 BU-18G826-E26 BR-18E964-E38 WH-18G850-E9 BU-18E964-E38 WH-18E966-E36 YL-18E965-E37 BU-18E965-E37 BU-18E965-E37 BU-18E966-E36 YL-18E966-E36 YL-18G850-E9 BU-18G828-E1 WH-18G828-E1 WH-18L983-E27 WH-18L984-E32 OR-18L985-E33 YL-18G828-E2 WH-18G826-E14BR-18G828-E2WH-18G828-E3 WH-18G828-E4 WH-18G828-E3 WH-18G829-E5 GN-18G829-E5 GN-18G827-E27BU-18G829-E6 GN-18G829-E8GN-18G829-E7 GN-18G829-E7 GN-18G829-E8 GN-18G833-E11 PK-18G849-E17 BR-18G833-E11 PK-18G833-E12 PK-18G833-E13 PK-18G833-E13 PK-18G833-E12 PK-18C967-E20 BU-18C967-E20 BU-18C967-E20 BU-18G850-E9 BU-18L983-E27 WH-18L983-E29 WH-18L983-E28 WH-18L983-E29 WH-18L984-E32 OR-18L984-E30 OR-18L984-E31 OR-18L984-E30 OR-18L985-E33 YL-18L985-E35 YL-18L983-E28 WH-18L984-E31 OR-18L985-E34 YL-18L985-E34 YL-18L985-E35 YL-18A746-E25 PK-18A746-E25 PK-18A746-E25 PK-18A747-E10 GY-18A747-E10 GY-18A747-E10GY-18P21607690P1160768912E-C11 A-C13E51793456789101112E-C52370227ABCE-C22304013E-C3230401312E-C7230401112E-C62304011E-C81552269E-C41166158111ENGINE OIL PRESSUREINJECTION ACT. PRESSURETIMING CALIBRATION(-)TIMING CALIBRATION(+)INJECTOR CYL 1PRESSURE SENSOR +5VATMOSPHERIC PRESSUREINJECTOR CYL 3BOOST PRESSUREENGINE OIL PRESSURE (+5V)ENGINE OIL PRESSURE COMMONINJECTOR COMMON CYL 3&4INJECTOR COMMON CYL 5&6SPEED/TIMING TOP(+)INJECTOR COMMON CYL 1&2SPEED/TIMING BOTTOM(+)INJECTOR CYL 6INJECTOR CYL 5SPEED/TIMING BOTTOM(-)IAP CONTROL VALVE(+)IAP CONTROL VALVE(-)TURBO WASTEGATE(+)TURBO WASTEGATE(-)SPEED/TIMING TOP(-)INJECTOR CYL 4INJECTOR CYL 2INTAKE MANIFOLD AIR TEMPENGINE COOLANT TEMPERATURETEMPERATURE SENSOR COMMONPRESSURE SENSOR COMMONINLET AIR HEATER RELAYENGINE CONTROL MODULE12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970L984-A8 OR-16A704-A7 GN-16A705-A9 BU-16A703-A5 BR-16A702-A3 PU-16A701-A1 GY-16L985-A10 YL-16L984-A6 OR-16A-C71539693A-C61539693A-C51539693A-C41539693A-C31539693A-C21539693NOTEXNOTEXNOTEXNOTEXNOTEXNOTEXL985-A12 YL-16L985-A10 YL-16L984-A8 OR-16L984-A6 OR-16L983-A4 WH-16L983-A2 WH-16L983-A4 WH-16L983-A2 WH-16A706-A11 GY-16A705-A9 BU-16A704-A7 GN-16A703-A5 BR-16A702-A3 PU-16A701-A1 GY-161552252SIGNALGROUNDENGINE COOLANTTEMPERATURE SENSOR256-6453SIGNALGROUNDINTAKE MANIFOLD AIRTEMPERATURE SENSOR256-6453+5VGROUNDSIGNAL123+5VGROUNDSIGNALABC+5VGROUNDSIGNALBOOSTPRESSURE SENSOR276-6793INJECTION ACTUATIONPRESSURE SENSOR248-2169ATMOSPHERICPRESSURE SENSOR274-6717ENGINE OILPRESSURE SENSOR274-6719G849-E17BR-18G828-E4WH-18G829-E6GN-18E-C92370227A BA BA BA BA BCYLINDERINJECTOR #2CYLINDERINJECTOR #3CYLINDERINJECTOR #4CYLINDERINJECTOR #5CYLINDERINJECTOR #6CYLINDERINJECTOR #1A BTO ECMMOUNTINGBOLTECM GND STRAPINJECTOR HARNESSCONNECTORG850-E9 BU-18C987-E44 RD-18G850-E43 BU-18BK-18BK-18ABK995-ORG850-E42 BU-18C987-E44 RD-1812INLET AIRHEATERINLET AIRHEATER GROUNDSTRAPINLET AIRHEATER RELAY209-5581ABE-C121003320 PRIMARYABE-C131112416SECONDARYG809-GNFLYBACKDIODEEXHAUST BRAKESOLENOIDTO ALLISON AT/MT/HT SHIFTMODULATOR FOR AUTOMATICTRANSMISSIONSCOOLING FAN SOLENOIDINLET AIRHEATER LAMPC987-RDACCELERATOR PEDAL POSITION SENSORBKRDWHJ403 P403ACCELERATOR PEDAL SENSOR/SWITCH SENSOR COMMON+8 VACCELERATOR PEDAL POSITIONBACL901-GYC977-BUG879-ORH795-PKH795-PKA/C HIGH PRESSURE SWITCH N/CE971-GN450-YL451-BRSIGNAL+SIGNAL-TACHOMETERINPUT SENSOR COMMON #1CLUTCH PEDAL POSITION SWITCH+5VE793-BUE794-YLINPUT #12INPUT #11INPUT #7ENGINE COOLANT LEVEL NORMALENGINE COOLANT LEVEL LOWVEHICLE SPEED IN POSITIVEVEHICLE SPEED IN NEGATIVEINPUT #8 (REMOTE PTO ACCELERATOR)10A10A10A10A14 AWG GXL14 AWG GXL14 AWG GXL14 AWG GXLAP SENSOR/SWITCH COMMON+8VACCELERATOR PEDAL POSITIONOUTPUT #51822232464954PASSIVE MAGNETICVEHICLE SPEEDSENSORG808-BUG809-GNH795-PKH795-PKSET/RESUME SWITCHENGINEBLOCK6224409-ORE971-GNE793-BUE794-YLA249-BKK990-GNK900-YLA249-BKK990-GNK900-YLJ906-BRCOMPONENTS WITHIN THIS AREA ARE CATERPILLAR PROVIDED/OEM INSTALLEDCLUTCH PEDAL POSITION SWITCH N/CSERVICE BRAKE PEDAL POSITION SWITCH N/C(PEDAL RELEASED POSITION)CRUISE CONTROL ON/OFF SWITCHCHECK ENGINE LAMPWARNING LAMP+BAT.-BAT.J1587 -J1587 +J1939 -J1939 SHIELDJ1939 +12JH795-PKABH9 PIN CABCONNECTORGFEDC5466114151323368H795-PKC985-BUC986-BRG837-YLBA659-PKL994-YLG880-PKK998-BUCIRCUITS WITHIN THIS AREA ARE RECOMMENDATIONSSERVICE BRAKE PEDAL POSITION SWITCHINPUT #5INPUT #13INPUT #6+BAT.(TRANSMISSION IN GEAR)STARTONOFF452547646C992-PUG842-GYG882-WHG843-ORK995-ORC987-RD993-BRF713-ORSTARTERMOTORARCSUPPRESSORCRUISE CONTROL ON/OFF SWITCHINPUT #3INPUT #459607BATTERY 2C975-WHK982-YLG841-GNN/ORELAYH795-PKC985-BUC986-BRSETRESUMEINPUT #1 (PTO ON/OFF SWITCH)INPUT #2INPUT #18OUTPUT #8C978-BRC979-ORC977-BUC992-PUC975-WH354456584021C978-BRC979-ORK999-GNK980-PKL902-GNG840-PUKEY SWITCH659-PKGROUNDL994-YLALTERNATOR- 12V + - 12V + + 12V -BATTERY 3 BATTERY 1G808-BUG845-PUJ1587 DATA LINK NEGATIVEJ1587 DATA LINK POSITIVEJ1939 DATA LINK SHIELDJ1939 DATA LINK NEGATIVEJ1939 DATA LINK POSITIVEIGNITION KEY SWITCHUNSWITCHED +BATTERYUNSWITCHED +BATTERY-BATTERY-BATTERYOUTPUT #6OUTPUT #755636567692019101-RD101-RD14 AWG GXL14 AWG GXLUNSWITCHED +BATTERYUNSWITCHED +BATTERY101-RD101-RD229-BK14 AWG GXL-BATTERY 229-BK229-BK14 AWG GXL-BATTERY 229-BKG838-BRG839-BU9842345052487053TACHOMETER POSITIVETACHOMETER NEGATIVE38395743G844-PKINPUT #19 M990-ORC983-WHC984-YL450-YL451-BRC974-PUC973-GNC974-PUC973-GNSIGNAL+SIGNAL-SPEEDOMETERH795-PKFAST IDLE ENABLE SWITCHL902-GNN/O MOMENTARY SWITCHG880-PKFAST IDLE ENABLED LAMPORWAIT TO START LAMPN/O MOMENTARY SWITCHG844-PKSPEEDOMETER POSITIVEEXHAUST BRAKE ON/OFF SWITCHSPEEDOMETER NEGATIVEINPUT SENSOR COMMON #2INPUT #1436372726317DIAGNOSTIC ENABLE SWITCHH795-PK(PEDAL RELEASED POSITION)+BAT.29283031146110121315161G882-WHSERVICE BRAKE PEDAL POSITION SWITCH #2 N/O(PEDAL RELEASED POSITION)WARNING LAMPCHECK ENGINE LAMPENGINE CONTROL MODULEOUTPUT #1OUTPUT #9TRANSMISSION NEUTRAL SWITCH N/O409-OROUTPUT #2OUTPUT #3OUTPUT #4E718-PKE991-GYG836-WHC981-GYEXHAUST BRAKE ON/OFF SWITCH12E-C151552269INJECTION ACTUATIONPRESSURE CONTROL VALVE G855-E46 PU-18G854-E45 PK-18G855-E46 PU-18G854-E45 PK-18G855-E46 PU-18C211-E98 BK-18M795-E99 WH-18M795-E99 WH-18C211-E98 BK-18G854-E45 PK-1812E-C141552269TURBO WASTEGATE SOLENOID230-9944 C211-E98 BK-18M795-E99 WH-18INJECTOR HARNESSGROMMETIDENT HARNESS CHGE 266-7696 01 (J2 / ENGINE)E 266-7698 01 (J2 / ENGINE)E 222-5905 04 (J2 / ENGINE) EARLIER PRODUCTIONE 222-5907 04 (J2 / ENGINE) EARLIER PRODUCTIONA 222-5917 05 (INJECTOR)NOTE A: FUEL PRESSURE SENSOR AND ASSOCIATED HARNESS WIRINGNOT PRESENT ON EARLY PRODUCTION ENGINES USINGHARNESS 222-5905 OR 222-5907.NOTE X: USE KIT 156-7106 WHEN REPLACING CONNECTOR 153-9693.REFER TO REHS1809 FOR REPAIR AND INSTALLATION DETAILS.THIS SCHEMATIC IS FOR THE C7 ON-HIGHWAY ENGINE(S/N: YPG and C7T)LEFT-FRONT VIEWINLET AIR HEATER RELAY LOCATIONS VARYLEFT SIDE VIEWLEFT SIDE VIEWG841-GNL901-GYSerial DataComm PortSystem StatusAlarmResetSystem ProblemOver-Temp AlarmOver-Pressure AlarmCRT DIAGNOSTIC MODULE216-7987TYPICAL CRT DIAGNOSTIC MODULETMAMBERLAMP+BATTERY UNSWITCHEDRDWHRDWH BUGNBUBUGNGNYLRDYLRDYLRD+BATTERY SWITCHEDREDLAMPLAMPFLASHERTEMPERATURESENSOR+-AB AB+-G828-E2WH-18G829-E8GN-18A747-E10GY-18E-C21552267123+5VGROUNDSIGNALATMOSPHERIC PRESSURE SENSOR161-1703G828-E3 WH-18G829-E7 GN-18A746-E25 PK-18E-C31552267ABC+5VGROUNDSIGNALBOOST PRESSURE SENSOR161-1704994-E16GY-18G826-E26BR-18G827-E27BU-181552267ABC+5VGROUNDSIGNALENGINE OIL PRESSURE SENSOR161-1705E-C5OR-18YL-18GN-18ABC+5VGROUNDSIGNALINJECTION ACTUATIONPRESSURE SENSOR224-4536 G849-E17BR-18G828-E4WH-18G829-E6GN-18E-C93E3370ABC+5VGROUNDSIGNALG833-E13 PK-18C967-E20 BU-18 12E-C71552269SIGNALGROUNDINTAKE MANIFOLDAIR TEMPERATURE SENSOR130-9811995-E18 BU-18G833-E12 PK-1812E-C61552269SIGNALGROUNDENGINE COOLANTTEMPERATURE SENSOR130-9811C991-E49PK-18 (NOTE A)G826-E19BR-18 (NOTE A)G827-E50BU-18 (NOTE A)E-C162370227ABC+5VGROUNDSIGNALFUELPRESSURE SENSOR274-6719NOTE ANOTE AC991-E49 PK-18 (NOTE A)C991-E49 PK-18 (NOTE A) FUEL PRESSUREG826-E14BR -18NOTE AHARNESS 222-5905AND 222-5907HARNESS 222-5905AND 222-5907HARNESS 222-5905AND 222-5907HARNESS 222-5905AND 222-5907HARNESS 222-5905AND 222-5907HARNESS 222-5905AND 222-5907G827-E27 BU-18ENGINE OIL PRESSUENGINE OIL PRESSUR414243INJEBOOST PRESSUREINJECTOR COMMINJECTORINJECTOR COMMONINJECTOR CYL383940444546G827-E47 BU-181G826-E26 BR-18G826-E26 BR-18HARNESS 222-5905AND 222-5907G827-E27 BU-18HARNESS 222-5905AND 222-5907HARNESS 222-5905AND 222-5907G827-E27BU -18G827-E50BU -18Engine CoolantTemperatureSensorE-C6Injection ActuationPressure ControlValveE-C15Inlet Air Heater LampConnectorE-C4Intake ManifoldAir TemperatureSensorE-C7Injection ActuationPressureSensorE-C9Engine OilPressureSensorE-C5Primary EngineSpeed / TimingSensor(Top)E-C12Secondary EngineSpeed / TimingSensor(Bottom)E-C13BoostPressureSensorE-C3TurboWastegateSolenoidE-C14Inlet Air HeaterRelayE-C8AtmosphericPressureSensorE-C2InjectorHarnessConnectorE-C11InjectorHarnessGrommetJ 2E-C1EngineControlModuleJ1160-7689CBB B3E-3370AA111-2416 100-3320B AB A160-7690A B155-2269116-6158 153-96932 1CB A155-2267155-2252948512 112 1 673103E-5179948512 112 1 67310230-4013237-02271 2 31REDGRAY2 3230-40131RED2 3FuelPressureSensorE-C16