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You need to trace the hot wire to the compressor to see where circuit is crossed.
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∙ 14y ago
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Why would the heater-AC control panel not light up when the headlights are turned on in a 1998 Subaru Outback?
I had this problem about a year ago. Turned out to be all the bulbs were burnt out on mine. There's 3 (or 4) miniture bulbs that are accessed by removing the heater control.
Why would a 2002 Pontiac Grand Am be making a clicking noise whenever the heater or AC is turned on?
you may have leaves in the fan
Rad fan not turning on when over heating but turns on with ac turned on?
You may have a bad or weak cooling fan sensor.
Why does your blower to your ac and heater fan go on and off?
Why does your ac and heater fan turn off and on
Ac and heater turns on only sometimes?
I had the same thing happening and it was the blower motor. It would come on occasionally and the finally the whole thing died.
What could cause a loud noise from near the back tire well when the AC or heater is turned on in an SUV?
Sounds like the fan for rear air/heater. usually found behind the inner cover.
Why would your car heater not work Car radiator giving bubbles but they go away when you turn AC on or when radiator fan turns on?
There is only one thing you can do if your Heater in your car is not working. You will have to take it to the dealership and have them look at it.
G Cherokee 1999 - The AC is on when the air bower is turned on for heat any ideas?
have you checked the engine thermostat. I have a similar problem..no heat or air. according to a service manual there is a door at the heater core that is supposed to open when the heater switch is turned on. this could be the cause for both of our problems. any ideas for getting to the heater core?
How do you replace a ac heater knob on 05 accent?
how do you replace ac heater knob in a 05 accent
What should be checked when the AC is turned on and there is an electrical smell?
I had this problem in my 1991 Suburban. It turned out being the A/C, Vent, Heater switch having burned contacts. Had the switch replaced and smell went away.
Why does your ac go in and out in your 1997 Toyota tercel?
In some autos, the AC compressor cuts in and out according to the temperature setpoint inside the car. Much like your heater/cooling system in a house, the system, when it reaches temperature, turns off.
99 escort lx idle low when heater is turned on Just started to do this after i replaced the serpentine belt yes i have the belt routing correct. i think possibly the timing belt needs replaced?
timing belt has absolutely nothing to do with the heater, there is an idle-up solenoid that keeps the idle from decreasing when the fan is turned on(whether it is the heater or AC), check this solenoid
