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Engine Controls - System & Component Testing - 6.5L: Component Locations Chevrolet Tahoe I

RELAY LOCATION

ApplicationLocation
"C" & "K" SeriesIn Underhood Fuse/Relay Center, Near Anti-Lock Brake Control Module

A/C COMPRESSOR CLUTCH RELAY LOCATION

WARNINGVehicles may be equipped with a PCM using an Electronically Erasable Programmable Read Only Memory (EEPROM). When replacing PCM, the new PCM must be programmed.

Note. To help save diagnostic time, ALWAYS check for blown fuses or fusible links before proceeding with any testing. If fuses are blown, locate and repair short circuit before replacing fuses. Ensure all related relay and wire harness connections are clean and tight. Repair as necessary.

COMPONENT LOCATIONS

ComponentLocation
Balance Fuel PumpOn Inside Left Frame Rail, Near Front Of Rear Tank
Balance Fuel Pump RelayOn Balance Fuel Pump
Crankshaft Position (CKP) SensorLower Left Front Of Timing Chain Cover
Data Link Connector (DLC)Under Left Side Of Instrument Panel
EGR Control Pressure/Baro SensorOn Bulkhead, Right Of Steering Column
EGR SolenoidLeft Rear Top Of Engine, Above Valve Cover
Electronic Fuel Injection PumpTop Of Engine Near ECT Sensor
Engine Coolant Temperature (ECT) SensorLower Front Of Engine
Fuel Pump Oil Pressure SwitchUnder Intake Manifold, Center Of Engine
Fuel Pump Prime ConnectorAt Instrument Panel Harness, Near Fuse/Relay Center Breakout
Fuel Pump RelayIn Underhood Fuse/Relay Center
Glow Plug RelayLeft Rear Of Engine Near Bulkhead
Intake Air Temperature (IAT) SensorOn Air Intake Duct
Mass Airflow (MAF) SensorOn Air Intake Duct
Powertrain Control Module (PCM)Under Right Side Of Instrument Panel, Above Blower Motor
Underhood Fuse/Relay CenterLeft Rear Of Engine Compartment, On Wheelwell
Wastegate SolenoidLeft Rear Top Of Engine, Above Valve Cover

COMPONENT LOCATIONS