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1992 toyota pickup A/C electrical problem?

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Old 25 Aug 2010, 06:40 pm   #1 (permalink)
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Default 1992 toyota pickup A/C electrical problem?
there is a short in the A/C electrical system where when you step on the brake pedal it seems to short out the compressor















I'm looking for a wiring diagram of the A/C system or any intelligent ideas on how or why the brake pedal has anything to do with the problem
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Old 25 Aug 2010, 06:54 pm   #2 (permalink)
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Doesnt seem like they shouild have any connection. May be some kind of "feedback" loop. Usually when this happens some ground wire anchor points are corroded. Try to find as many ground attachment points as you can and loosen - tighten - polish up the terminals - and make sure you have good ground contacts.
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