Control Units

CONTROL UNITS LOCATION

Component	Location
Accelerator Pedal Position (APP) Module (6.5L VIN F)	Below dash, attached to accelerator pedal. See Figure .
Auxiliary HVAC Control Module (cargo) (Front)	Front of overhead console.
Auxiliary HVAC Control Module (pass) (Front)	Front of overhead console.
Auxiliary HVAC Control Module (Rear)	Interior Headliner, center of vehicle.
Cruise Control Module	Front of engine compartment, near left fender.
Daytime Running Lamp Control Module	Under left side of dash, taped to dash harness.
Electronic Brake Control Module	Left frame rail near center of vehicle.
Fuel Solenoid Driver (6.5L VIN F)	Top left side of engine. See Figure .
Glowplug Controller (6.5L VIN F)	Top right side of engine.
Heater & A/C Control Logic Module	Front interior roof panel, behind front auxiliary HVAC controller.
Ignition Coil Driver (4.3L VIN W)	Top right side of engine. See Figure .
Ignition Coil Driver (5.0L VIN M) (5.7L VIN R)	Top right side of engine. See Figure .
Ignition Coil Driver (7.4L VIN J)	Top rear of engine. See Figure .
Illuminated Entry Module	Right lower kick panel.
Inflatable Restraint Control Module	Under left front seat.
Inflatable Restraint Dash Module	Right side of dash.
Inflatable Restraint Steering Wheel Module	Center of steering wheel.
Low Engine Coolant Level Indicator Module (6.5L VIN F)	Under left side of dash.
Multi-Function Alarm Module	Under left side of dash.
P/B Booster Fluid Flow Alarm Delay Module	Under left side of dash.
Power Door Lock Control Module	Upper right Kick panel.
Powertrain Control Module (PCM) (6.5L VIN F)	Behind center of dash. See Figure .
Vehicle Control Module (VCM) (4.3L VIN W)	Left side of engine compartment. See Figure .
Vehicle Control Module (VCM) (5.0L VIN M) (5.7L VIN R)	Left side of engine compartment. See Figure .
Vehicle Control Module (VCM) (7.4L VIN J)	Left side of engine compartment. See Figure .