Name | Location | Locator View | Connector End View |
|---|---|---|---|
Ammeter | On the left side of the IP, to the right of the steering column, in the right accessory trim plate, the bottom gauge | ||
Battery | On the top of the crossmember or relocated by the upfitter | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Battery, Center (Triple Batteries) | On the top of the crossmember, between the left battery and the right battery, or relocated by the upfitter | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Battery, Left (Dual Batteries) | On the top of the crossmember, the left battery, or relocated by the upfitter | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Battery, Left (Triple Batteries) | On the top of the crossmember, the left battery, or relocated by the upfitter | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Battery, Right (Dual Batteries) | On the top of the crossmember, the right battery, or relocated by the upfitter | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Battery, Right (Triple Batteries) | On the top of the crossmember, the right battery, or relocated by the upfitter | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Clutch/ Starter Interlock Switch (LG5) | On the clutch pedal bracket | ||
Clutch/ Starter Interlock Switch (LP4/L21) | On the clutch pedal bracket | ||
Clutch/ Starter Interlock Switch Jumper Harness (C215, 2 cavities) (Automatic Transmission) (LG5) | On the clutch switch jumper, to the IP harness, at the clutch pedal support bracket | ||
Clutch/ Starter Interlock Switch Jumper Harness (C215, 2 cavities) (Automatic Transmission) (LP4/L21) | On the clutch switch jumper, to the IP harness, at the clutch pedal support bracket | ||
Ether Injection Control Valve (LG5) | In the engine compartment, on the right side of the bulkhead | ||
Ether Injection/ Engine Coolant Temperature (ECT) Switch (LG5) | On the rear of the engine, on the cylinder head | ||
Flasher/ Relay Center | In the right side of the IP | Power and Grounding Component Views in Wiring Systems | Engine Exhaust Brake Connector End Views in Engine Exhaust |
Fusible Link N (rust) (LG5) | In the engine harness, to the generator B+ stud | -- | -- |
Fusible Link P (blue) | In the engine harness, in the main harness at starter solenoid C2, B+ stud | -- | -- |
Fusible Link S (blue) (LG5) | In the engine harness, in the main harness, approximately 35 cm (14 in) from the breakout to the starter solenoid | -- | -- |
Fusible Link S (blue) (LP4/L21) | In the engine harness, in the main and starter harness breakout, at the breakout to the starter solenoid | -- | -- |
Generator (LG5) | On the right side of the engine | ||
C1 (ring terminal) | In the engine harness, to the generator Bat terminal | ||
C2 (ring terminal) | In the engine harness, to the generator R terminal | ||
C3 (2 cavities) | In the engine harness, to the generator | ||
Generator (LP4/L21) | On the upper right side of the engine | ||
C1 (ring terminal) | In the engine harness, to the generator Bat terminal | ||
C2 (4 cavities) | In the engine harness, to the generator | ||
C1 (ring terminal) | In the engine harness, to the generator Bat terminal | ||
C2 (4 cavities) | In the engine harness, to the generator | ||
Generator Fuse | Taped to the engine harness at the rear of the generator | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Hourmeter | On the left side of the IP, to the right of the steering column, on the center accessory trim plate, the top gauge | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
IP Fuse Block | In the center of the IP, to the left of the instrument panel cluster (IPC) | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Ignition Switch | On the top side of the lower steering column | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
C1 (5 cavities) | In the IP harness, to the ignition switch | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
C2 (4 cavities) | In the IP harness, to the ignition switch | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Instrument Panel Cluster (IPC) | In the left side of the IP | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Fuse Block/ Mini-Relay Center | On the right side of the IP, under the access cover | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Fuse Block 1 | On the right side of the IP, under the access cover, on the left side of the Fuse block/ mini-relay center | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Fuse Block 2 | On the right side of the IP, under the access cover, on the center of the Fuse block/ mini-relay center | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Multifunction Alarm Module (MFAM) (LG5) | In the center of the IP harness, behind the right access panel | Engine Controls Component Views in Engine Controls 7.2L (Caterpillar®) | Engine Controls Connector End Views in Engine Controls 7.2L (Caterpillar®) |
C1 (16 cavities) | In the IP harness, to the MFAM | Engine Controls Component Views in Engine Controls 7.2L (Caterpillar®) | Engine Controls Connector End Views in Engine Controls 7.2L (Caterpillar®) |
C2 (4 cavities) (with Automatic Engine Shutdown) | In the IP harness to the MFAM | Engine Controls Component Views in Engine Controls 7.2L (Caterpillar®) | Engine Controls Connector End Views in Engine Controls 7.2L (Caterpillar®) |
Multifunction Alarm Module (MFAM) (LP4/L21) | In the center of the IP, behind the right access panel | Engine Controls Component Views in Engine Controls 7.4L (Gasoline) | Engine Controls Connector End Views in Engine Controls 7.4L (Gasoline) |
Multifunction Alarm Module (MFAM) Jumper (Shunt) (LG5 w/ KQR) | In the IP harness, taped to the main harness, between the IP fuse block and MFAM breakouts. | Engine Controls Component Views in Engine Controls 7.2L (Caterpillar®) | Engine Controls Connector End Views in Engine Controls 7.2L (Caterpillar®) |
Neutral Switch (Automatic Transmission) | On the lower right side of the transmission | ||
Starter Solenoid (LG5) | On the lower right side of the engine | -- | |
C1 (ring terminal) | On the positive battery cable to the starter solenoid Bat stud, at the starter motor | -- | |
C2 (ring terminal) | In the engine harness, to the starter solenoid Bat stud, at the starter motor | -- | |
C4 (ring terminal) | In the engine harness, to the starter solenoid Sol stud, at the starter motor | -- | |
Starter Solenoid (LG5 w/ KQR) | On the lower right side of the engine | -- | |
C2 (ring terminal) | In the engine harness, to the starter solenoid, at the starter motor | -- | |
C4 (ring terminal) | In the engine harness, to the starter solenoid, at the starter motor | -- | |
Starter Solenoid (LP4/L21) | On the lower right side of the engine | -- | |
C1 (ring terminal) | On the positive battery cable to the starter solenoid, at the starter motor | -- | |
C2 (ring terminal) | In the engine harness, to the starter solenoid, at the starter motor | -- | |
C4 (ring terminal) | In the engine harness, to the starter solenoid, at the starter motor | -- | |
C1 (ring terminal) | On the positive battery cable to the starter solenoid, at the starter motor | -- | |
C2 (ring terminal) | In the engine harness, to the starter solenoid, at the starter motor | -- | |
C4 (ring terminal) | In the engine harness, to the starter solenoid, at the starter motor | -- | |
Starter Thermal Switch (LG5 and HD Starter w/KQR) | On the lower right side of the engine, on the end of the starter motor | ||
Upfitter Connector (C212, 23 cavities) | Under the left side of the IP, by the left kick panel | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Upfitter Connector Jumper (Shunt) (23 cavities) | Under the left side of the IP, by the left kick panel | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
C106A (1 cavity) (LG5) | In the engine harness, to the engine harness, near the starter solenoid breakout | -- | Inline Harness Connector End Views in Wiring Systems |
C106A (1 cavity) (LG5 and HD Starter w/KQR) | In the starter motor overcrank protection jumper harness, to the engine harness, near the starter solenoid breakout | -- | Inline Harness Connector End Views in Wiring Systems |
C106B (1 cavity) (LG5) | In the engine harness, to the engine harness, near the starter solenoid breakout | -- | Inline Harness Connector End Views in Wiring Systems |
C106B (1 cavity) (LG5 and HD Starter w/KQR) | In the starter motor overcrank protection jumper harness, to the engine harness, near the starter solenoid breakout | -- | Inline Harness Connector End Views in Wiring Systems |
C200 (56 cavities) (LG5) | In the IP harness, to the engine harness, under the right side of the IP | -- | Inline Harness Connector End Views in Wiring Systems |
C200 (56 cavities) (LP4/L21) | In the IP harness, to the engine harness, under the right side of the IP | -- | Inline Harness Connector End Views in Wiring Systems |
C215 (2 cavities) (Automatic Transmission) | In the IP harness, to the clutch/ starter interlock switch jumper, near the brake pedal | -- | Inline Harness Connector End Views in Wiring Systems |
C235 (1 cavity) | In the engine harness, between C200 and P100 | -- | Inline Harness Connector End Views in Wiring Systems |
C400 (1 cavity) (Cat® Diesel) | On the positive battery cable harness, to the engine harness, near the battery. | -- | Inline Harness Connector End Views in Wiring Systems |
C402 (2 cavities) (Cat® Diesel) | On the positive battery cable harness, to the engine harness, near the battery | -- | Inline Harness Connector End Views in Wiring Systems |
C409 (8 cavities) (LG5) | In the engine harness, to the transmission harness, on the left side of the engine, at the bellhousing | -- | Inline Harness Connector End Views in Wiring Systems |
C409 (8 cavities) (LP4/L21) | In the engine harness, to the transmission harness, on the left side of the engine, at the bellhousing | -- | Inline Harness Connector End Views in Wiring Systems |
D101 (Ether Injection Diode) (LG5) | In the engine harness, in the main harness, approximately 20 cm (7.9 in) from P100, toward the engine | -- | -- |
D200 (Charge Indicator Diode) (LG5) | In the IP harness, in the main harness, the in-line generator diode, approximately 4 cm (1.6 in) to the left of the data link connector (DLC) breakout | -- | -- |
G101 (LG5) | From the starter motor end ground stud (G101) to the right frame rail ground (G100) | -- | -- |
G102 (LG5) | From the engine harness, to the lower right front side of the engine | -- | -- |
G102 (LP4/L21) | From the engine harness, to the back of the left cylinder head | -- | -- |
G117 (LG5) | The engine harness ground and generator ground strap, at the right side of the engine (G117) to the generator (G119) | -- | -- |
G117 (LP4/L21) | The generator ground strap, from the right side of the engine (G117) to the generator (G119) | -- | -- |
G119 (LG5) | The generator ground strap, from the right side of the engine (G117) to the generator (G119) | -- | -- |
G119 (LP4/L21) | The generator ground strap, from the right side of the engine (G117) to the generator (G119) | -- | -- |
G400 | From the negative battery cable to the right frame rail | -- | -- |
G400 | From the negative battery cable to the left frame rail | -- | -- |
G401 | From the negative battery cable to the right frame rail | -- | -- |
P100 | On the right side of the bulkhead | -- | -- |
S121 | In the engine harness, approximately 16 cm (6.3 in) from the starter solenoid terminal C3 | -- | -- |
S122 | In the engine harness, approximately 36 cm (14.2 in) from the starter solenoid breakout | -- | -- |
S122 (LG5) | In the engine harness, approximately 18 cm (7.1 in) from the G401 G402 breakout | -- | -- |
S123 | In the engine harness, approximately 10 cm (3.9 in) from the vacuum tube breakout | -- | -- |
S123 (LG5) | In the engine harness, approximately 34 cm (13.4 in) from the ground breakout | -- | -- |
S138 | In the engine harness, approximately 4 cm (1.6 in) from the generator harness breakout | -- | -- |
S138 (LG5) | In the engine harness, approximately 11 cm (4.3 in) from the main harness, toward the forward lamps harness connector | -- | -- |
S142 (LP4/L21) | In the engine harness, approximately 4 cm (1.6 in) from the throttle position (TP) sensor, toward the breakout | -- | -- |
S142 (LG5) | In the engine harness, approximately 4 cm (1.6 in) | -- | -- |
S182 | In the engine harness, approximately 4 cm (1.6 in) from the generator breakout | -- | -- |
S182 (LG5) | In the engine harness, approximately 16 cm (6.3 in) from generator terminal C1 | -- | -- |
S208 | In the IP harness, approximately 9 cm (3.5 in) to the right of the hazard warning switch breakout | -- | -- |
S211 | In the IP harness, approximately 4 cm (1.6 in) to the left of the hazard warning switch breakout | -- | -- |
S214 | In the IP harness, approximately 25 cm (9.8 in) to the right of the data link connector (DLC) breakout | -- | -- |
S220 | In the IP harness, approximately 15 cm (5.9 in) to the right of the data link connector (DLC) breakout | -- | -- |
S221 | In the IP harness, approximately 12 cm (4.7 in) to the right of the data link connector (DLC) breakout | -- | -- |
S226 (LG5) | In the IP harness, at the cathode (-) end of the charge indicator diode (D200), approximately 10 cm (3.9 in) to the right of the data link connector (DLC) breakout | -- | -- |
S230 | In the IP harness, approximately 4 cm (1.6 in) to the right of the instrument panel cluster (IPC) connector breakout | -- | -- |
S232 | In the IP harness, approximately 59 cm (23.2 in) from the main harness, toward the IP harness connector | -- | -- |
S245 | In the IP harness, approximately 4 cm (1.6 in) to the right of the break switch interface module breakout | -- | -- |
S404 | In the positive battery cable connector, at the end of the gray fusible link R | -- | -- |
