GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Accelerator Pedal (AP) (Gasoline)

To the left of center, on the lower bulkhead

Engine Controls Component Views in Engine Controls -7.4L

Engine Controls Connector End Views in Engine Controls -7.4L

Air Intake Heater Relay (Cat® Diesel)

On the top right side of the cylinder head

Engine Controls Component Views

Engine Controls Connector End Views

C1 (ring terminal)

On the vehicle's engine harness, to the air intake heater relay

Engine Controls Component Views

Engine Controls Connector End Views

C2 (4 cavities) (C127)

On the Cat® diesel engine harness, to the air intake heater relay

Engine Controls Component Views

Engine Controls Connector End Views

C3 (ring terminal)

On the Cat® diesel engine harness, to the air intake heater relay

Engine Controls Component Views

Engine Controls Connector End Views

Automatic Engine Shutdown/ Engine Coolant Temperature (ECT) Switch (Cat® Diesel)

On the right side of the engine, on the left rear side of the coolant outlet housing

Engine Controls Component Views

Engine Controls Connector End Views

Automatic Transmission (AT) Modulator (Cat® Diesel)

On the lower left side of the transmission

Engine Controls Component Views

Engine Controls Connector End Views

Automatic Transmission (AT) Modulator (Gasoline)

On the lower left side of the transmission

Engine Controls Component Views in Engine Controls -7.4L

Engine Controls Connector End Views in Engine Controls -7.4L

Automatic Transmission (AT) 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 (Cat® Diesel)

On the clutch pedal bracket

Engine Controls Component Views

Engine Controls Connector End Views

Clutch Pedal Position (CPP) Switch Jumper Harness (C227, 2 cavities) (Automatic Transmission) (Cat® Diesel)

In the IP harness, to the clutch pedal position (CPP) switch connector, near the brake pedal

Engine Controls Component Views

Engine Controls Connector End Views

Clutch Pedal Position (CPP) Switch Jumper Harness (C227, 2 cavities) (Automatic Transmission) (Gasoline)

In the IP harness, to the clutch pedal position (CPP) switch connector, near the brake pedal

Engine Controls Component Views in Engine Controls -7.4L

Inline Harness Connector End Views in Wiring Systems

Cruise Control Clutch Switch

Under the IP on the left side of the steering column

Engine Controls Component Views in Engine Controls -7.4L

Engine Controls Connector End Views in Engine Controls -7.4L

Cruise Control Switch

On the left side of the steering column

Engine Controls Component Views

Engine Controls Connector End Views

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) (Cat® Diesel)

Under the left side of the IP

Data Link Communications Component Viewsin Data Link Communications

Power and Grounding Connector End Views in Wiring Systems

Data Link Connector (DLC)

Under the left side of the IP

Engine Controls Component Views

Engine Controls Connector End Views

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

C1 (11 cavities)

In the IP harness, to the DIC

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

C2 (11 cavities)

In the IP harness, to the DIC

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

Driver Information Center (DIC) (Gasoline)

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

C1 (11 cavities)

In the IP harness, to the DIC

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

C2 (11 cavities)

In the IP harness, to the DIC

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

C1 (11 cavities)

In the IP harness, to the DIC

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

C2 (11 cavities)

In the IP harness, to the DIC

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) (ABS-Air)

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

C1 (30 cavities)

In the electronic brake control harness, to the EBCM

Air Antilock Brake System Component Views in Air Antilock Brake Systems

Air Antilock Brake System Connector End Views in Air Antilock Brake Systems

C2 (18 cavities)

In the electronic brake control harness, to the EBCM

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) (ABS-Hydraulic)

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

C1 (2 cavities)

In the electronic brake control harness, to the EBCM

Antilock Brake System Component Views in Antilock Brake Systems

Antilock Brake System Connector End Views in Antilock Brake Systems

C2 (24 cavities)

In the electronic brake control harness, to the EBCM

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 (Cat® Diesel)

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) Gauge Sensor (Gasoline)

In the right hand cylinder head, above the spark plugs, between the #5 and #7 cylinder

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) Sensor (Gasoline)

On the intake manifold water jacket behind the thermostat housing outlet

Engine Controls Component Views in Engine Controls - 7.4L

Engine Controls Connector End Views in Engine Controls - 7.4L

Engine Coolant Temperature (ECT) Switch (Cat® Diesel)

On the right side of the engine, to the rear of the coolant outlet, the top switch

Engine Controls Component Views

Engine Controls Connector End Views

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 (Cat® Diesel)

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 (Cat® Diesel)

On the left side of the engine block, on a tee, pointing to the rear

Engine Controls Component Views

Engine Controls Connector End Views

Flasher/ Relay Center

In the right side of the IP

Power and Grounding Component Views in Wiring Systems

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Fuel Heater (Cat® Diesel)

On the left side of the engine, part of the fuel/ water separator (fuel filter)

Engine Controls Component Views

Engine Controls Connector End Views

Fusible Link N (rust) (Cat® Diesel)

In the engine harness, to the generator B+ stud

--

--

Fusible Link R (gray) (ABS-Hydraulic)

On the positive battery cable end

--

--

Generator (Cat® Diesel)

On the right side of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C1 (ring terminal)

In the engine harness, to the generator Bat terminal

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C2 (ring terminal)

In the engine harness, to the generator R terminal

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C3 (2 cavities)

In the engine harness, to the generator

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Generator (Gasoline)

On the upper right side of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C1 (ring terminal)

In the engine harness, to the generator Bat terminal

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C2 (4 cavities)

In the engine harness, to the generator

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C1 (ring terminal)

In the engine harness, to the generator Bat terminal

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

C2 (4 cavities)

In the engine harness, to the generator

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

HI IDLE Switch (Cat® Diesel)

On the left side of the IP, to the right of the steering column, on the left IP accessory trim plate

Engine Controls Component Views

Engine Controls Connector End Views

HI IDLE Switch (Gasoline)

On the center of the IP

Engine Controls Component Views in Engine Controls - 7.4L

Engine Controls Connector End Views in Engine Controls - 7.4L

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 (Cat® Diesel)

On the right side of the radiator, on the lower left bottom side of the radiator surge tank

Engine Controls Component Views

Engine Controls Connector End Views

Low Engine Coolant Level Indicator Switch (Cat® Diesel)

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) (Cat® Diesel)

In the center of the IP harness, behind the right access panel

Engine Controls Component Views

Engine Controls Connector End Views

C1 (16 cavities)

In the IP harness, to the MFAM

Engine Controls Component Views

Engine Controls Connector End Views

C2 (4 cavities) (with Automatic Engine Shutdown)

In the IP harness to the MFAM

Engine Controls Component Views

Engine Controls Connector End Views

Multifunction Alarm Module (MFAM) (Gasoline)

In the center of the IP, behind the right access panel

Engine Controls Component Views in Engine Controls - 7.4L

Engine Controls Connector End Views in Engine Controls - 7.4L

Multifunction Alarm Module (MFAM) Jumper (Shunt) (Cat® Diesel w/ out Automatic Engine Shutdown)

In the IP harness, taped to the main harness, between the IP fuse block and MFAM breakouts.

Engine Controls Component Views

Engine Controls Connector End Views

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

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM) (Gasoline)

Under the left front cowel in front of driver

Engine Controls Component Views in Engine Controls-7.4L

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Powertrain Control Module (PCM) - C1 (Gasoline) (32 cavities)

Under the left front cowel in front of driver

Engine Controls Component Views in Engine Controls-7.4L

Engine Controls Connector End Views in Engine Controls-7.4L

Powertrain Control Module (PCM) - C2 (Gasoline) (24 cavities)

Under the left front cowel in front of driver

Engine Controls Component Views in Engine Controls-7.4L

Engine Controls Connector End Views in Engine Controls-7.4L

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 (Cat® Diesel)

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 (Cat® Diesel and HD Starter w/ Overcrank Protection)

On the lower right side of the engine

Engine Electrical Component Views in Engine Electrical

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Starter Motor (Gasoline)

On the lower right side of the engine

Engine Electrical Component Views in Engine Electrical

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Starter Solenoid (Cat® Diesel)

On the lower right side of the engine

Engine Electrical Component Views in Engine Electrical

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C1 (ring terminal)

On the positive battery cable to the starter solenoid Bat stud, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C2 (ring terminal)

In the engine harness, to the starter solenoid Bat stud, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C4 (ring terminal)

In the engine harness, to the starter solenoid Sol stud, at the starter motor

Engine Electrical Component Views in Engine Electrical

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Starter Solenoid (Cat® Diesel and HD Starter w/ Overcrank Protection)

On the lower right side of the engine

Engine Electrical Component Views in Engine Electrical

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C2 (ring terminal)

In the engine harness, to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C4 (ring terminal)

In the engine harness, to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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Starter Solenoid (Gasoline)

On the lower right side of the engine

Engine Electrical Component Views in Engine Electrical

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C1 (ring terminal)

On the positive battery cable to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C2 (ring terminal)

In the engine harness, to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C4 (ring terminal)

In the engine harness, to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C1 (ring terminal)

On the positive battery cable to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C2 (ring terminal)

In the engine harness, to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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C4 (ring terminal)

In the engine harness, to the starter solenoid, at the starter motor

Engine Electrical Component Views in Engine Electrical

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Stoplamp Switch (ABS-Air)

On the brake pedal support

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

C1 (4 cavities)

In the IP harness, to the stoplamp switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

C2 (2 cavities)

In the IP harness, to the stoplamp switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Stoplamp Switch (ABS-Hydraulic)

On the brake pedal support

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

C1 (4 cavities)

In the IP harness, to the stoplamp switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

C2 (2 cavities)

In the IP harness, to the stoplamp switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Stoplamp Switch Interface Module (Cat® Diesel)

In the IP, left of the IP fuse block

Engine Controls Component Views

Engine Controls Connector End Views

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

Vehicle Speed Sensor (VSS) (Gasoline)

On the lower right side of the transmission tailshaft housing

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Engine Controls Connector End Views in Engine Controls - 7.4L

Vehicle Speed Sensor (VSS) (Gasoline)

On the lower right side of the transmission tailshaft housing

Engine Controls Component Views in Engine Controls - 7.4L

Engine Controls Connector End Views in Engine Controls - 7.4L

Vehicle Speed Sensor (VSS) (Cat® Diesel)

On the lower right side of the transmission tailshaft housing

Engine Controls Component Views

Engine Controls Connector End Views

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 (7 cavities) (ABS-Air)

In the IP harness, to the chassis jumper harness (ABS-Air), approximately 33 cm  (13 in) from P100

--

Inline Harness Connector End Views in Wiring Systems

C112 (2 cavities) (Cat® Diesel)

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 (7 cavities) (Cat® Diesel)

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

C119 (7 cavities) (Gasoline)

In the engine 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 (Cat® Diesel

On the engine harness, to the Cat® diesel engine harness, near the air intake heater relay

--

Inline Harness Connector End Views in Wiring Systems

C127

On the engine harness, to the fuel injector harness, at the rear of the engine

--

Inline Harness Connector End Views in Wiring Systems

C200 (56 cavities) (Cat® Diesel)

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) (Gasoline)

In the IP harness, to the engine harness, under the right side of the IP

--

Inline Harness Connector End Views in Wiring Systems

C202 (6 cavities) (Cat® Diesel)

In the IP harness, to the IP-to-chassis jumper harness (ABS-air), under the IP, on the right side of the steering column

--

Inline Harness Connector End Views in Wiring Systems

C202 (6 cavities) (Gasoline)

In the IP harness, to the IP-to-chassis jumper harness (ABS-air), under the IP, on the right side of the steering column

--

Inline Harness Connector End Views in Wiring Systems

C217 (8 cavities) (Cat® Diesel)

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 (2 cavities) (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 (2 cavities) (Manual Transmission)

In the IP harness, to the clutch pedal position (CPP) switch jumper, near the brake pedal

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Inline Harness Connector End Views in Wiring Systems

C234 (7 cavities) (ABS-Hydraulic)

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 (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.

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Inline Harness Connector End Views in Wiring Systems

C401 (2 cavities) (Cat® Diesel)

On the positive battery cable harness, to the engine harness, near the battery

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Inline Harness Connector End Views in Wiring Systems

C401 (2 cavities) (Gasoline)

On the positive battery cable, to the engine harness, behind the left rear side of the engine

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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

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Inline Harness Connector End Views in Wiring Systems

C407 (2 cavities) (Cat® Diesel)

In the engine harness, to the automatic transmission (A/T) modulator harness, at the right frame rail, near the starter

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Inline Harness Connector End Views in Wiring Systems

C409 (8 cavities) (Cat® Diesel)

In the engine harness, to the transmission harness, on the left side of the engine, at the bellhousing

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Inline Harness Connector End Views in Wiring Systems

C409 (8 cavities) (Gasoline)

In the engine harness, to the transmission harness, on the left side of the engine, at the bellhousing

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Inline Harness Connector End Views in Wiring Systems

D200 (Charge Indicator Diode) (Cat® Diesel)

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

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G101 (Cat® Diesel)

From the starter motor end ground stud (G101) to the right frame rail ground (G100)

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G102 (Cat® Diesel)

From the engine harness, to the lower right front side of the engine

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G102 (Gasoline)

From the engine harness, to the back of the left cylinder head

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--

P100

On the right side of the bulkhead

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--

P103

On the left side of the bulkhead

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--

S122

In the engine harness, approximately 36 cm (14.2 in) from the starter solenoid breakout

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--

S122 (Cat® Diesel)

In the engine harness, approximately 18 cm (7.1 in) from the G401 G402 breakout

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--

S138

In the engine harness, approximately 4 cm (1.6 in) from the generator harness breakout

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--

S138 (Cat® Diesel)

In the engine harness, approximately 11 cm (4.3 in) from the main harness, toward the forward lamps harness connector

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--

S142 (Cat® Diesel)

In the engine harness, approximately 4 cm (1.6 in)

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--

S169 (Cat® Diesel)

In the engine harness, approximately 4 cm (1.6 in) before from the first breakout toward P100 and P103

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S182

In the engine harness, approximately 4 cm (1.6 in) from the generator breakout

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--

S182 (Cat® Diesel)

In the engine harness, approximately 16 cm (6.3 in) from generator terminal C1

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--

S203

In the IP harness, approximately 4 cm (1.6 in) from the IP fuse block breakout

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S203 (Cat® Diesel)

In the IP harness, approximately 4 cm (1.6 in) from the IP fuse block breakout

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S210

In the IP harness, approximately 4 cm (1.6 in) to the right of the hazard warning switch breakout

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S214

In the IP harness, approximately 25 cm (9.8 in) to the right of the data link connector (DLC) breakout

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S220

In the IP harness, approximately 15 cm (5.9 in) to the right of the data link connector (DLC) breakout

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S221

In the IP harness, approximately 12 cm (4.7 in) to the right of the data link connector (DLC) breakout

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S222

In the IP harness, approximately 11 cm (4.3 in) to the right of the data link connector (DLC) breakout

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S225 (Cat® Diesel)

In the IP harness, at the anode (+) end of the charge indicator diode (D200), approximately 4 cm (1.6 in) to the right of the data link connector (DLC) breakout

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S226 (Cat® Diesel)

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

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S230

In the IP harness, approximately 4 cm (1.6 in) to the right of the instrument panel cluster (IPC) connector breakout

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--

S231

In the IP harness, approximately 66 cm (26.0 in) from the main harness, toward the IP harness connector

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S232

In the IP harness, approximately 59 cm (23.2 in) from the main harness, toward the IP harness connector

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--

S234

In the IP harness, approximately 4 cm (1.6 in) to the right of the daytime running lights (DRL) module breakout

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S247 (Cat® Diesel)

In the IP harness, approximately 15 cm (5.9 in) to the left of the multifunction alarm module (MFAM) breakout

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--

S248 (Cat® Diesel)

In the IP harness, approximately 12 cm (4.7 in) to the left of the multifunction alarm module (MFAM) breakout

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S249 (Cat® Diesel)

In the IP harness, approximately 20 cm (7.9 in) to the left of the multifunction alarm module (MFAM) breakout

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S250 (Cat® Diesel and ABS-Air Brakes)

In the IP harness, approximately 16 cm (6.3 in) from the exhaust brake/ air interlock relay connector, by the MaxiFuse® block/ mini-relay center

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S252 (Cat® Diesel)

In the IP harness, approximately 9 cm (3.5 in) from MaxiFuse® block 1, toward the flasher/ relay center

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S404

In the positive battery cable connector, at the end of the gray fusible link R

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