AC Not Working, Could It Be The Blower Resistor? - Forums at Modded Mustangs
 
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post #1 of 8 Old October 4th, 2006, 05:38 PM Thread Starter
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AC Not Working, Could It Be The Blower Resistor?

So I'm going down the street and the AC is kicking, then suddenly stops.

I turn the switch and nothing happens at all, no noise, no click, no blower, nothign at all.

After a little Googling, I figure it could either be a fuse or the resistor. How would I know if the resistor is bad? I pulled the old one off and it just looks a little rusty.

I recently had my heater core go out, maybe some of that coolant crap rusted it up and could have caused it.

Much thanks if anyone could let me know if this is my problem. If it's just the resistor I'll get it fixed, but I can't afford to go and buy a part for nothing, and still have no AC.
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post #2 of 8 Old October 4th, 2006, 05:50 PM
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if the a/c works for one minute then stops the next you need to check your a/c cycle switch and how much of a charge your system has

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post #3 of 8 Old October 4th, 2006, 05:50 PM
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Use a multimeter to test the switch, or try a new one from a parts store. As long as you don't beat up on the new switch you should be able to take it back if it doesn't work (ask them first).
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post #4 of 8 Old October 4th, 2006, 05:59 PM Thread Starter
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it doesn't work at all now. It was working, but then stopped and hasn't shown a sign of life since.

I'll check into the switch thing, thanks guys.
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post #5 of 8 Old October 4th, 2006, 06:05 PM
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you could also need to charge your a/c. if the sytem gets to low the compessor wont turn on.

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post #6 of 8 Old October 4th, 2006, 06:13 PM Thread Starter
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Would the blower still go if it just needed to be charged up?

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post #7 of 8 Old October 4th, 2006, 06:15 PM
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Yes, the fan would still come on (only the clutch wouldn't kick in or air blow cold). If the blower motor doesn't come on at all, then it's likely a fuse, relay, switch, or the motor.
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post #8 of 8 Old October 4th, 2006, 06:18 PM Thread Starter
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thanks a lot people!

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