engine
The engine's thermostat controls the engine coolant temperature. The temperature control inside for the heater controls the cabin heat.
Heating and Air ConditioningNotes Blower Controls
Many of these controls are Vacuum operated. You may have a problem where the "Main" Vacuum line has broken. See if you can locate this line by using your manual and make sure that it is intact. TommyTrouble
It controls the flow of water from the engine cooling system into the passenger compartment heater core.
The heater fan relay for a 1993 Silverado 4x4 6.5 turbo diesel can be found using the engine diagram. The engine diagram will be provided by the car manufacturer upon inquiry.
The fuse for the heater and the CD player in Honda Prelude 1988 can be found using?æa fuse diagram. The diagram is available online and can be found by looking for '1998 prelude fuse panel diagram' on any search engine.
The vent door actuator is operated from the engine vacuum. If the vent control doesn't respond to your demand check the vacuum supply line from the engine, it may be damaged or disconnected. Do this before you tear apart the dash and HVAC box.
You need to find and fix what broke. The first places to start would be coolant level, engine temperature, and dash heater controls.
when you pick up the fuse cover under the motor there should be a diagram on the inside of the cover. # when you pick up the fuse cover under the motor there should be a diagram on the inside of the cover.
Yes, the overhead heater controls do light up.
The heater control valve on a GMC Savana van with a 305 engine is typically located in the engine compartment, along the heater hose that connects the engine to the heater core. It is usually mounted on or near the firewall, making it accessible for maintenance. To confirm its exact position, refer to the vehicle’s service manual or look for a valve that controls the flow of coolant to the heater core.