Name | Location | Locator View | Connector End View |
|---|---|---|---|
Accelerator Pedal Position (APP) Sensor | To the left of center, on the lower bulkhead | ||
Air Intake Heater Relay | On the top right side of the cylinder head | ||
Automatic Engine Shutdown/ Engine Coolant Temperature (ECT) Switch | On the right side of the engine, on the left rear side of the coolant outlet housing | ||
Automatic Transmission (A/T) Modulator | On the lower left side of the transmission | ||
Automatic Transmission (A/T) Modulator Relay | In the flasher/ relay center, position 2-B | -- | -- |
Automatic Transmission (AT) Selector Control | On the left side of the IP, to the right of the steering column, on the center accessory trim plate | 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 |
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 |
Clutch Pedal Position (CPP) Switch | On the clutch pedal bracket | ||
Clutch Pedal Position (CPP) Switch Jumper Harness (C227, 2 cavities) (Automatic Transmission) | In the IP harness, to the clutch pedal position (CPP) switch connector, near the brake pedal | ||
Cruise Control Clutch Switch | Under the IP on the left side of the steering column | ||
Cruise Control Switch | On the left side of the steering column | ||
Cruise Control Switch | On the left side of the steering column | Cruise Control Component Views in Cruise Control | Cruise Control Connector End Views in Cruise Control |
Data Link Connector (DLC) | Under the left side of the IP | Data Link Communications Component Viewsin Data Link | Power and Grounding Connector End Views in Wiring Systems |
Data Link Connector (DLC) | Under the left side of the IP | ||
Driver Information Center (DIC) | On the left side of the IP, part of the instrument panel cluster (IPC) | 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 |
Electronic Brake Control Module (EBCM) (JE5) | On a bracket, on the left side, upper exterior bulkhead, on the top of the air brake application valve | Air Antilock Brake System Component Views in Air Antilock Brake Systems | Air Antilock Brake System Connector End Views in Air Antilock Brake Systems |
Electronic Brake Control Module (EBCM) (JE3) | On the inboard side of the left frame rail, to the rear of number one crossmember, on the bracket | Antilock Brake System Component Views in Antilock Brake Systems | Antilock Brake System Connector End Views in Antilock Brake Systems |
Engine Coolant Temperature (ECT) Gauge | On the left side of the IP, part of the instrument panel cluster (IPC) | 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 |
Engine Coolant Temperature (ECT) Gauge Sensor | On the right side of the engine, on the right rear side of the coolant outlet housing | 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 |
Engine Coolant Temperature (ECT) Switch | On the right side of the engine, to the rear of the coolant outlet, the top switch | ||
Engine Exhaust (EE) Brake/ Air Interlock Relay | In the flasher/ relay center, position 2-B | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust |
Engine Exhaust (EE) Brake Solenoid Valve | On the left rear side of the back-of-the-cab crossmember | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust |
Engine Exhaust (EE) Brake Switch | On the center of the IP | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust |
Engine Oil Pressure (EOP) Gauge | On the left side of the IP, part of the instrument panel cluster (IPC) | 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 |
Engine Oil Pressure (EOP) Gauge Sensor | On the left side of the engine block, on a tee, pointing up | 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 |
Engine Oil Pressure (EOP) Indicator Switch | On the left side of the engine block, on a tee, pointing to the rear | ||
Flasher/ Relay Center | In the right side of the IP | Power and Grounding Component Views in Wiring Systems | -- |
Fuel Heater | On the left side of the engine, part of the fuel/ water separator (fuel filter) | ||
Fusible Link N (rust) | In the engine harness, to the generator B+ stud | -- | -- |
Fusible Link R (gray) (JE3) | On the positive battery cable end | -- | -- |
Generator | On the right side of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
HI IDLE Switch | On the left side of the IP, to the right of the steering column, on the left IP accessory trim plate | ||
Ignition Relay | In the mini-relay center, position A | 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 |
Low Engine Coolant Level Indicator Switch | On the right side of the radiator, on the lower left bottom side of the radiator surge tank | ||
Low Engine Coolant Level Indicator Switch | On the right side of the radiator, on the lower left bottom side 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 |
MaxiFuse® 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 |
MaxiFuse® Block 1 | On the right side of the IP, under the access cover, on the left side of the MaxiFuse® 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) | In the center of the IP harness, behind the right access panel | ||
Multifunction Alarm Module (MFAM) (LP4/L21) | In the center of the IP, behind the right access panel | ||
Multifunction Alarm Module (MFAM) Jumper (Shunt) (KPJ) | In the IP harness, taped to the main harness, between the IP fuse block and MFAM breakouts. | ||
Multifunction Switch | On the left side of the steering wheel (contains the turn signal, windshield wiper, and windshield washer switches and controls the headlamps dimmer switch) | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Powertrain Control Module (PCM) | On the left rear side of the engine block | ||
Speedo Adapter | In the right side of the IP under the MaxiFuse® block/ mini-relay center | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Engine Electrical Connector End Views in Engine Electrical |
Speedometer | On the left side of the IP, part of the instrument panel cluster (IPC) | 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 |
Starter Motor | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Starter Motor and HD Starter (KQR) | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | -- |
Starter Solenoid | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | -- |
Starter Solenoid (KQR, LG5) | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | -- |
Stoplamp Switch (JE5) | On the brake pedal support | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Stoplamp Switch (JE3) | On the brake pedal support | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Stoplamp Switch Interface Module | In the IP, left of the IP fuse block | ||
Upfitter Connector (C212) | 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 |
Vehicle Speed Sensor (VSS) | On the lower right side of the transmission tailshaft housing | ||
Voltmeter | On the left side of the IP, part of the instrument panel cluster (IPC) | 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 |
C107 (JE5) | In the IP harness, to the chassis jumper harness (JE5), approximately 33 cm (13 in) from P100 | -- | Inline Harness Connector End Views in Wiring Systems |
C112 | In the engine harness, to the engine exhaust brake harness, near the frame rail, by the starter | -- | Inline Harness Connector End Views in Wiring Systems |
C119 (JE3) | In the ABS-hydraulic jumper harness, to the ABS-hydraulic chassis harness, in the engine compartment, on the left side of the bulkhead | -- | Inline Harness Connector End Views in Wiring Systems |
C127 (LG5) | On the engine harness, to the Cat® diesel engine harness, near the air intake heater relay | -- | Inline Harness Connector End Views in Wiring Systems |
C200 | In the IP harness, to the engine harness, under the right side of the IP | -- | Inline Harness Connector End Views in Wiring Systems |
C202 (JE5) | In the IP harness, to the IP-to-chassis jumper harness (JE5), under the IP, on the right side of the steering column | -- | Inline Harness Connector End Views in Wiring Systems |
C217 | In the IP harness, to the engine harness, near the right side of the interior bulkhead | -- | Inline Harness Connector End Views in Wiring Systems |
C227 (Automatic Transmission) | In the IP harness, to the clutch pedal position (CPP) switch shunt, near the brake pedal | -- | Inline Harness Connector End Views in Wiring Systems |
C227 (Manual Transmission) | In the IP harness, to the clutch pedal position (CPP) switch jumper, near the brake pedal | -- | Inline Harness Connector End Views in Wiring Systems |
C234 (JE3) | In the IP harness, inline to the ABS-hydraulic brake harness, near the left side of the interior bulkhead | -- | Inline Harness Connector End Views in Wiring Systems |
C235 | In the engine harness, between C200 and P100 | -- | Inline Harness Connector End Views in Wiring Systems |
C400 | On the positive battery cable harness, to the engine harness, near the battery. | -- | Inline Harness Connector End Views in Wiring Systems |
C401 | On the positive battery cable harness, to the engine harness, near the battery | -- | Inline Harness Connector End Views in Wiring Systems |
C402 | On the positive battery cable harness, to the engine harness, near the battery | -- | Inline Harness Connector End Views in Wiring Systems |
C407 | In the engine harness, to the automatic transmission (A/T) modulator harness, at the right frame rail, near the starter | -- | Inline Harness Connector End Views in Wiring Systems |
C409 | 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 |
D200 (Charge Indicator Diode) | In the IP harness, in the main harness, the in-line generator diode, approximately 4 cm (2 in) to the left of the data link connector (DLC) breakout | -- | -- |
G101 | From the starter motor end ground stud (G101) to the right frame rail ground (G100) | -- | -- |
G102 | From the engine harness, to the lower right front side of the engine | -- | -- |
P100 | On the right side of the bulkhead | -- | -- |
P103 | On the left side of the bulkhead | -- | -- |
S122 | In the engine harness, approximately 18 cm (7 in) from the G401/ G402 breakout | -- | -- |
S138 | In the engine harness, approximately 11 cm (4 in) from the main harness, toward the forward lamps harness connector | -- | -- |
S142 | In the engine harness, approximately 4 cm (2 in) | -- | -- |
S169 | In the engine harness, approximately 4 cm (2 in) before from the first breakout toward P100 and P103 | -- | -- |
S182 | In the engine harness, approximately 16 cm (6 in) from generator terminal C1 | -- | -- |
S203 | In the IP harness, approximately 4 cm (2 in) from the IP fuse block breakout | -- | -- |
S210 | In the IP harness, approximately 4 cm (2 in) to the right of the hazard warning switch breakout | -- | -- |
S214 | In the IP harness, approximately 25 cm (10 in) to the right of the data link connector (DLC) breakout | -- | -- |
S220 | In the IP harness, approximately 15 cm (6 in) to the right of the data link connector (DLC) breakout | -- | -- |
S221 | In the IP harness, approximately 12 cm (5 in) to the right of the data link connector (DLC) breakout | -- | -- |
S222 | In the IP harness, approximately 11 cm (4 in) to the right of the data link connector (DLC) breakout | -- | -- |
S225 | In the IP harness, at the anode (+) end of the charge indicator diode (D200), approximately 4 cm (2 in) to the right of the data link connector (DLC) breakout | -- | -- |
S226 | In the IP harness, at the cathode (-) end of the charge indicator diode (D200), approximately 10 cm (4 in) to the right of the data link connector (DLC) breakout | -- | -- |
S230 | In the IP harness, approximately 4 cm (2 in) to the right of the instrument panel cluster (IPC) connector breakout | -- | -- |
S231 | In the IP harness, approximately 66 cm (26 in) from the main harness, toward the IP harness connector | -- | -- |
S232 | In the IP harness, approximately 59 cm (23 in) from the main harness, toward the IP harness connector | -- | -- |
S234 | In the IP harness, approximately 4 cm (2 in) to the right of the daytime running lights (DRL) module breakout | -- | -- |
S247 | In the IP harness, approximately 15 cm (6 in) to the left of the multifunction alarm module (MFAM) breakout | -- | -- |
S248 | In the IP harness, approximately 12 cm (5 in) to the left of the multifunction alarm module (MFAM) breakout | -- | -- |
S249 | In the IP harness, approximately 20 cm (8 in) to the left of the multifunction alarm module (MFAM) breakout | -- | -- |
S250 (JE5) | In the IP harness, approximately 16 cm (6 in) from the exhaust brake/ air interlock relay connector, by the MaxiFuse® block/ mini-relay center | -- | -- |
S252 | In the IP harness, approximately 9 cm (4 in) from MaxiFuse® block 1, toward the flasher/ relay center | -- | -- |
S404 | In the positive battery cable connector, at the end of the gray fusible link R | -- | -- |
