Name | Location | Locator View | Connector End View |
|---|---|---|---|
Ambient Air Temperature Sensor | In the front of the cab, under the hood | ||
Accelerator Pedal Sensor | Mounted on a bracket near the accelerator pedal | ||
Automatic Transmission Modulator | On the left side of the transmission, near the backup lamps switch | ||
Automatic Transmission Modulator Relay | In relay center 2, in the center of the lower IP, behind the panel | Power and Grounding Component Views in Wiring Systems | -- |
Check Connector | Behind the right seat, near the floor | -- | -- |
Clutch Switch | On the clutch pedal bracket | -- | Engine Electrical Connector End Views in Engine Electrical |
Control Resister | Behind the left side of the IP | -- | -- |
Diagnosis Switch | Behind the right seat, near the floor | -- | -- |
Data Link Connector | On the left side of the lower IP | Data Link Communications Component Views in Wiring Systems | Data Link Communications Connector End Views in Wiring Systems |
Electronic Brake Control Module (EBCM) (ABS-Hydraulic) C1 (2 cavities) | In the front chassis harness, mounted to the first crossmember | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System |
Electronic Brake Control Module (EBCM) (ABS-Hydraulic) C2 (24 cavities) | In the front chassis harness, mounted to the first crossmember | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System |
Electronic Brake Control Module (EBCM) (ABS-Air) | On the left rear of the cab bridge, near the MaxiFuse® Block | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System |
Engine Control Module (ECM) | Under the right seat, beneath a metal cover | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console | -- |
Engine Control Module (ECM) C1 (40 cavities) | In the engine-cab harness, under the right seat, beneath a metal cover | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console | |
Engine Control Module (ECM) C2 (80 cavities) | In the engine-cab harness, under the right seat, beneath a metal cover | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console | |
Engine Coolant Temperature Gauge Sensor | At the left front side of the engine, in the side of the cylinder head, below the water inlet | ||
Engine Speed Sensor | At the rear of the engine, on top of the bell housing | ||
Engine Oil Pressure Gauge Sensor | On the right side of the engine block | ||
Exhaust Brake Switch | In the center of the IP | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Exhaust Brake Relay | In relay center 3, in the right side of the lower IP, in front of the blower motor, behind the panel | -- | |
Exhaust Brake Disable Relay | Behind the cab, on the lower left side, mounted on the same bracket as the MaxiFuse® Block | ||
Exhaust Brake Solenoid Valve | On the left rear side of the #2 crossmember | ||
Fuel Temperature Sensor | On the left side of the engine in fuel supply line, above the air intake manifold | ||
Fuel Pressure Sensor | On the left side of the engine in front side of the fuel rail | ||
Fuel Transfer Pump | On the right frame rail, to the rear of the back-of-cab crossmember, inboard of the fuel tank | ||
Fuel Transfer Pump Relay | On the left frame rail, inboard of the fuel tank | ||
Fuel Sender and Balance Pump Control Module (Dual Fuel Tanks) | On the left frame rail, on the fuel tank bracket | ||
Fuel Tank Sender, Left Hand Side (Primary) | On the outboard side of the left frame rail, in the fuel tank | ||
Fuel Tank Sender, Right Hand Side | On the outboard side of the right frame rail, in the fuel tank | ||
Low Engine Coolant Level Indicator Switch | On the left side of the cab bridge, on the bottom of the radiator surge tank | 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 |
Generator | On the right side of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Glow Plugs (1-6) | On the left side of the cylinder head | -- | |
Glow Plug Relay | Under the left side of the IP | -- | |
Hi Idle Switch | In the center of the IP, above the radio | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Ignition Switch | On the right side of the steering column | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Ignition Main Relay | Behind the right seat | -- | |
Injection Pump Speed Sensor | Near the lower left side of the enigne, in the fuel injection pump housing | ||
IP Cluster | On the left side of the IP | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console | -- |
IP Harness Connector C1 (15 cavities) | On the left side of the IP | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console |
IP Harness Connector C2 (9 cavities) | On the left side of the IP | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console |
IP Harness Connector C3 (17 cavities) | On the left side of the IP | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console |
IP Fuse Block | In the right top of the IP, under the access panel | Power and Grounding Component Views in Wiring Systems | -- |
Low Engine Coolant Level Indicator Switch | On the left side of the cab bridge, on the bottom of the radiator surge tank | ||
Memory Clear Switch | Behind the right seat | -- | -- |
Pressure Control Valve 1 and 2 | On the left rear side of engine | ||
Pressure Control Valve Relay | Behind the right seat | -- | |
Relay Center 2 | In the center of the lower IP, behind the panel | Power and Grounding Component Views in Wiring Systems | -- |
Speedometer | In the left side of the IP, part of the instrument panel cluster | 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 |
Speedo Adapter | Under the right seat | ||
Starter Solenoid | On the lower right side of the engine, part of the starter motor assembly | Engine Electrical Component Views in Engine Electrical | -- |
Starter Motor | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | -- |
Turbocharger Boost Pressure Sensor | On the front of the cab bridge, on the left side | -- | |
Two Speed Rear Axle Switch (Automatic Transmission) | In the center of the IP | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls |
Two Speed Rear Axle Switch (Manual Transmission) | On the transmission shift lever | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls |
Two Speed Rear Axle Shift Motor | Mounted on the left side of the rear axle | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls |
Two Speed Rear Axle Shift Motor Relay | Mounted on the crossmember forward of the rear axle | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls |
Vehicle Speed Sensor (Automatic) | In the transmission rear tailshaft housing | ||
Vehicle Speed Sensor (Manual) | In the transmission rear tailshaft housing | ||
C112 (6 cavities) | In the timing and injection rate control system (TICS) harness from the engine, behind the lower left front of the front bumper, in the engine controls connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C113 (4 cavities) | In the timing and injection rate control system (TICS) harness from the engine, behind the lower left front of the front bumper, in the engine controls connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C114 (2 cavities) | In the timing and injection rate control system (TICS) harness from the engine, behind the lower left front of the front bumper, in the engine controls connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C116 (8 cavities) | In the front chassis harness, to the engine harness, at the right front of the engine | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C118 (2 cavities) | In the front chassis harness, to the engine harness, at the right front of the engine | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C121(2 cavities) | In the starter harness, to the BLU and BLK fusible links, starter solenoid C3 | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C122 (Fuel Injectors Connector) | On the left side of the engine next to the valve cover | ||
C123 (Fuel Injectors Connector) | On the left side of the engine next to the valve cover | ||
C200 (56 cavities) | In the lower IP harness, to the front chassis harness, in the left center of the cab, in the cab interface connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C202 (56 cavities) | In the lower IP harness, to the front chassis harness, in the left center of the cab, in the cab interface connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C205 (1 cavities) | In the lower IP harness, to the front chassis harness, in the left center of the cab, in the cab interface connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C207 (1 cavities) | In the lower IP harness, to the front chassis harness, in the left center of the cab, in the cab interface connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C211(6 cavities) | In the lower IP harness, to the dash harness, under the hood, on the right side | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C212 (84 cavities) | In the lower IP harness, to the upper IP harness, in the left center of the IP at the floor | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C215 (2 cavities) | In the lower IP harness jumper, under the right seat | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C217 (16 cavities) | In the lower IP harness, to the engine-cab harness, near the ECM | -- | Inline Harness Connector End Views in Wiring Systems |
C218 (20 cavities) | In the lower IP harness, to the engine-cab harness, near the ECM | -- | Inline Harness Connector End Views in Wiring Systems |
C402 (8 cavities) | In the front chassis harness, to the rear chassis and taillamps harness, on the inboard side of the right frame rail, inboard of the batteries | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C404 (3 cavities) | In the front chassis harness, to the rear chassis and taillamps harness, on the inboard side of the right frame rail, inboard of the batteries | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C407 (14 cavities) (Automatic Transmission) | In the front chassis harness, to the starter harness, on the bell housing mounting bracket | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C407 (14 cavities) (Manual Transmission) | In the front chassis harness, capped, on the bell housing mounting bracket | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C410 (6 cavities) | In the rear chassis and taillamps harness, to the fuel tanks harness, at the right frame rail forward of the back of the cab crossmember | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C412 (8 cavities) | In the front chassis harness, to the transmission harness or connector C412 jumper, behind the engine, at the top of the bell housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C417 (2 cavities) | In the starter harness, to the front chassis harness, on the bell housing mounting bracket | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C420 (2 cavities) | In the front chassis harness, inline to transmission wiring, next to the starter harness | -- | Inline Harness Connector End Views in Wiring Systems |
C703 (3 cavities) | On the right frame rail, forward of the rear axle | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
G105 | On the left front of the #1 crossmember | Power and Grounding Component Views in Wiring Systems | -- |
G107 | From the front chassis harness, on the left frame rail, approximately 25 cm (9.8 in) to the rear of the front shock absorber | Power and Grounding Component Views in Wiring Systems | -- |
G407 | From the rear chassis and taillamps harness, to the inboard side of the right frame rail, in the ground block, part of the negative battery cable | Power and Grounding Component Views in Wiring Systems | -- |
G408 | From the rear chassis and taillamps harness, to the inboard side of the right frame rail, in the ground block, part of the negative battery cable | Power and Grounding Component Views in Wiring Systems | -- |
P100 | On the front chassis harness, under the hood, in the center of the bulkhead, in the cab interface connector housing | Harness Routing Views in Wiring Systems | -- |
P103 | On the timing and injectio rate controls system (TICS) harness, under the hood, in the center of the bulkhead, to the right of the cab interface connector housing | Harness Routing Views in Wiring Systems | -- |
Splice Pack 2 | Part of the upper IP harness, under the top of the IP, row 2 | -- | -- |
Splice Pack 3 | Part of the upper IP harness, under the top of the IP, row 3 | -- | -- |
Splice Pack 5 | Part of the lower IP harness, Below the left side of the IP, to the right of the steering column, row 2 | -- | -- |
S26 | In the upper IP harness | -- | -- |
S103 | In the front chassis harness, approximately 7 cm (2.8 in) to the rear of the main harness breakout | -- | -- |
S107 | In the front chassis harness, approximately 4 cm (1.6 in) to the ABS harness breakout | -- | -- |
S108 | In the front chassis harness, approximately 11 cm (4.3 in) to the ABS harness breakout | -- | -- |
S130 | In the front chassis harness, approximately 17 cm (6.7 in) to the left of the starter harness breakout | -- | -- |
S150 | In the front chassis harness, approximately 31 cm (12.2 in) from the brake harness breakout | -- | -- |
S183 | In the front chassis harness, approximately 3 cm (1.2 in) forward of the engine oil pressure switch breakout | -- | -- |
S221 | In the upper IP harness | -- | -- |
S227 | In the upper IP harness, under the IP, approximately 6 cm (2.4 in) to the left of the fuse block breakout | -- | -- |
S239 | In the lower IP harness | -- | -- |
S240 | In the lower IP harness | -- | -- |
S243 | In the upper IP harness, approximately 13 cm (5.1 in) from the IP connector toward the main harness | -- | -- |
S260 | In the upper IP harness, in the main harness, at the speedometer harness breakout | -- | -- |
S267 | In the upper IP harness, approximately 15 cm (5.9 in) to the left of the speedometer harness breakout | -- | -- |
S268 | In the upper IP harness, at the speedometer harness breakout | -- | -- |
S269 | In the upper IP harness, in the main harness, approximately 21 cm (8.3 in) from the upper IP connector C212 (84 cavities) | -- | -- |
S279 | In the lower IP harness, approximately 5 cm (2.0 in) to the right of relay center 1 harness breakout | -- | -- |
S280 | In the lower IP harness, in the main branch, at the frame harness breakout | -- | -- |
S281 | In the lower IP harness, approximately 5 cm (2.0 in) toward relay center 2 from the upper IP harness breakout | -- | -- |
S282 | In the lower IP harness, approximately 5 cm (2.0 in) toward relay center 2 from the upper IP harness breakout | -- | -- |
S286 | In the lower IP harness, in the main branch, at the fuse block harness breakout | -- | -- |
S287 | In the lower IP harness, in the main branch, approximately 22 cm (8.7 in) to the right of the fuse block harness breakout | -- | -- |
S294 | In the lower IP harness, in the main branch, at the C200 (56 cavities) and C202 (56 cavities) breakout | -- | -- |
S295 | In the lower IP harness, in the main branch, at the C200 (56 cavities) and C202 (56 cavities) breakout | -- | -- |
S297 | In the upper IP harness | -- | -- |
S324 | In the lower IP harness | -- | -- |
S325 | In the lower IP harness | -- | -- |
S326 | In the lower IP harness | -- | -- |
S327 | In the lower IP harness | -- | -- |
S328 | In the lower IP harness | -- | -- |
S333 | In the lower IP harness | -- | -- |
S402 | In the lower IP harness | -- | -- |
S404 | In the lower IP harness | -- | -- |
S410 | In the front chassis harness, approximately 17 cm (6.7 in) from the ABS module | -- | -- |
S411 | In the front chassis harness, approximately 4 cm (1.6 in) to the left of the starter motor relay breakout | -- | -- |
S412 | In the cab, part of the engine-cab harness | -- | -- |
S413 | In the cab, part of the engine-cab harness | -- | -- |
S414 | In the cab, part of the engine-cab harness | -- | -- |
S415 | In the cab, part of the engine-cab harness | -- | -- |
S415 (Dual Fuel Tanks) | In the dual fuel tank harness, on the main branch, approximately 11 cm (4.3 in) from the fuel sender and the balance pump control module breakout | -- | -- |
S416 | In the cab, part of the engine-cab harness | -- | -- |
S417 | In the cab, part of the engine-cab harness | -- | -- |
S417 (Dual Fuel Tanks) | In the dual fuel tank harness, on the main branch, approximately 4 cm (1.6 in) from the fuel sender and the balance pump control module breakout | -- | -- |
S418 | In the lower IP harness | -- | -- |
S419 | In the cab, part of the engine-cab harness | -- | -- |
S420 | In the engine-u2 harness | -- | -- |
S421 | In the engine-u2 harness | -- | -- |
S422 | In the cab, part of the engine-cab harness | -- | -- |
S423 | In the cab, part of the engine-cab harness | -- | -- |
S424 | In the lower IP harness | -- | -- |
