Question about 2002 Mercury Sable

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My Air cond, heat and vent doesn't work at all on my car. I have replaced fuses and the blower motor. Whenever I put the new motor in it would run then blow the fuses. Could it be the compressor?

Posted by dreamcatc688 on

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Todd Arndt

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  • Mercury Master
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No, the compressor will NOT cause these fuses to blow. You have a SHORT in your electrical system. you have a HOT wire getting into the Ground for that system

Posted on Apr 09, 2013

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5 Related Answers

freetek

Steve Allison

  • 5569 Answers

SOURCE: HEAT/AC blower motor stopped working

It's even odd that you were getting a step-type voltage when you first checked.
Many speed regulators are simple tapped resistors with the switch selecting which tap is connected to the motor.
More elegant controls would use a semiconductor (transistor) and a few other components to supply step-variable voltage to the motor.

To determine which is used on your car, you will at least need the electrical diagram for it, preferably an aftermarket service manual - Haynes or Chilton should be available at least in the US and Canada.
Those will contain not only the electrical info you now lack but possibly instructions that will aid in locating the controlling circuit.
I suspect that circuit is faulty; if the resistor type, it will be a device with mulitple taps, if solid state, a few parts on a small board.

Posted on Jun 18, 2008

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darjr

Darial Jr Lasaria

  • 379 Answers

SOURCE: My air condition is not blowing air out the vents.

Sparking meaning your socket maybe not secure or lose connection. sometime the carbon brushes in blower worn out and need to change.

Posted on Jun 09, 2009

Anonymous

  • 223 Answers

SOURCE: 1995 Mercury Villager Air Conditioning problem

You may need a new compressor.

Posted on Jun 17, 2009

Anonymous

  • 14 Answers

SOURCE: 200 Cougar blowing headlight fuses

First look for a short or where a wire is exposed and fix that with electrical tape.

If you can not find it, then often I will put a Re-set fuse that does not blow but resets and costs about $5 at Autozone.

Good luck, J

Posted on Jul 09, 2009

bill

  • 234 Answers

SOURCE: No AC, heat, or vent

its sounds like the Blower speed controller, its located under the hood on the heater case. reach down a wiggle the connector, its under the heater hoses and attached to the case. If it starts the blower fan working get it replaced as it has a bad board.

Posted on Aug 09, 2009

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1 Answer

Heat or A/C does not work in my car?


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