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Mercedes Benz
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1996
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S 420 (140.043) V8-4.2L (119.981)
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Repair and Diagnosis
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Starting and Charging
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Charging System
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Testing and Inspection
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Alt Lamp on at Idle & Gets Darker at Higher Speed
Alt Lamp on at Idle & Gets Darker at Higher Speed
1.
Faulty stator winding.
2.
Faulty negative
diode
.
3.
Faulty
alternator
.