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Would a bad "ignition switch" or "fan ignition switch" break rear defrost?

I

irex511

New member
Would a bad "ignition switch" or "fan ignition switch" break rear defrost?

Hey All,

I have an '02 GTP where the rear defrost isn't working. The light on the Heater/AC Control Board just flickers on briefly when the button is pressed.

The only information that I've seen thus far with problems with Heater/AC Control boards is that the "ignition switch" or "fan ignition switch" could be bad. Anyone know if this could affect the rear defroster, too?

Thanks,

Mike
 


Re: Would a bad "ignition switch" or "fan ignition switch" break rear defrost?

I cannot comment 100% on your car. However my 99 has a rear defogger module, in the back part of the headliner. You have to lower the headliner a little to see the module. It is located right at the roof line, where the metal roof meets the rear glass. If it goes bad, of course the defogger will not work.

This module is also my antennea signal booster too, and that is what I do not know if your car has or not.

Also, if any or the main line on the rear window is broken, the defrogger will not work. Most of the time the lines are repairable. All except if like a small dog was pawling at the window and broke all the lines! I have seen this before!
 
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