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Air cond comp clutch not engauging when switched on.it works direct from batt. with jumper wire also a warning light on the dash lights up indicating a nocharge state but as soon as i switch on the headlamps it goes to normal that is the warning light goes out

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Have a look at the AC switch or or the relay if there is one incorporated in the system, one of them could be faulty. If the alternator is overcharging it could show up in the warning light and this would go out when something like the headlights reduce the voltage from the alternator. Have the charging system checked, or put a volt meter on the battery with the engine running at about 2000 rpm, the meter should read no more than 14.5 volts. If it does, replace the regulator.

Posted on Apr 08, 2011

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Posted on Jan 02, 2017

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