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i think what you are refering to is a blower staying on all the time, if so the blower motor has shorted the control module, you need to replace the blower motor and control module.
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∙ 17y ago
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Why does the heat not shut off in a 1995 Chrysler Concorde?
If the AC control is always blowing hot air, the AC control head has failed.
Why does ac compressor cycle on and off when heat is on in a 98 ford explorer?
If you have the heat on in the defrost position , the air conditioning compressor will cycle on and off to help dehumidify the air if the outside temperature is about 50 degrees Fahrenheit or warmer
Why does Ac work but heat is on too?
The AC runs to remove moisture from the air inside your vehicle. Moisture causes the fog inside of your windows. The ac runs to remove the moisture and the heater runs to heat the air.
What do air to air heat pumps have that standard air conditioners do not?
Heat pumps have the ability to heat your home in the winter, standard ac just cools in the summer.
Ac works but no heat blows cold air?
Bad Thermostat
My speedometer does not work when I turn on my air conditioner or if you turn off my heat why?
It seems as if there is a problem with the wiring between your speedometer and AC/heat unit. A licensed repairman can determine and fix the cause of this problem.
Why is the air coming out of the air conditioner not cold?
This usually happens because the AC is set to heat and not cool. If it is set to cool then get it checked out by a qualified AC technician.
Your Nissan 300zx ac wont blow out no air no heat and no air will come out?
Have you checked the 30 Amp fuse ?
How heat pump used to heat the building?
Imagine a window AC unit installed backwards, rejecting heat indoors while air conditioning the world, this is a heat pumps heat mode. As the unit is air conditioning in the cool outdoors eventually the outdoor coil will ice up requiring a defrost cycle, defrost is the AC mode except the outdoor fans off to assist with the defrosting. A defrost cycle is time and temperature initiated, time or temperature terminated.
What is an evaporator in a car?
The evaporator is part of the ac system. It removes heat energy from the air.
Why the walls of houses often are filled with insulatio?
This is so heat (or AC air) will stay in.
Why does ac remain on all the time even when regular air is selected in my 1998 Mazda B2500 standard truck 2WD?
I believe the AC clutch will engage if the defrost is selected. You can add haet but the dryer on AC is used to remove moisture in the air for the defrost application. Try changing to floor heat and see if compressor goes off.
