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Audi
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1983
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4000 Base
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Testing
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Hall Generator Check
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Quick Check
Quick Check
Connect a voltmeter or a test lamp between ignition coil terminal 15 and ground. Start engine. Observe voltmeter or test lamp.
If voltmeter needle pulsates or test lamp flickers, the Hall sender and control unit are probably OK.