Express 1 Ton Van V8-5.7L VIN R (1999)
Control Module HVAC: Locations
Front Auxiliary HVAC Control Module (Cargo)
^ On the front of the overhead console
Front Auxiliary HVAC Control Module (Passenger)
^ On the front of the overhead console
Rear Auxiliary HVAC Control Module
^ In the interior of the headliner, in the center of the vehicle
