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Home >> GMC >> 1998 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Component Tests 6.5L Turbo Diesel >> Component Locations
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Component Locations

NOTE: Component location illustrations are not available at time of publication.
COMPONENT LOCATIONS (VIN F & S)

Component Location
A/C Compressor Relay In Power Distribution Box At Left Rear Of Engine Compartment
A/C Low Pressure Cutoff Switch Top Of Compressor, In High Pressure Refrigerant Line
A/C High Pressure Cut-Off Switch On Rear Of A/C Compressor
Balance Fuel Pump On Inside Left Frame Rail, Near Front Of Rear Tank
Balance Fuel Pump Relay On Balance Fuel Pump
Crankshaft Position (CKP) Sensor Lower Left Front Of Engine, Near Crankshaft Pulley
Data Link Connector (DLC) Under Left Side Of Instrument Panel
EGR Control Pressure/Baro Sensor On Bulkhead To Right Of Steering Column
EGR Solenoid Left Rear Top Of Engine, Above Valve Cover
Electronic Fuel Injection Pump Top Of Engine, Near ECT Sensor
Engine Coolant Temperature (ECT) Sensor Lower Front Of Engine
Fuel Pump Oil Pressure Switch Under Intake Manifold, At Center Of Engine
Fuel Pump Prime Connector At Instrument Panel Harness, Near instrument Panel Fuse Box
Fuel Pump Relay In Power Distribution Box
Glow Plug Relay Left Rear Of Engine, Near Bulkhead
Intake Air Temperature (IAT) Sensor On Air Intake Duct
Mass Airflow (MAF) Sensor On Air Intake Duct
Power Distribution Box Left Rear Of Engine Compartment, On Wheelwell
Powertrain Control Module (PCM) Under Right Side Of Instrument Panel, Above Blower Motor
Wastegate Solenoid Left Rear Top Of Engine, Above Valve Cover