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#1
10-17-2005, 01:13 PM
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1992 Bonneville headlight problem
Good Day, Own a 1992 Pontiac Bonneville with a rebuilt starter, alternator. It also has a one year old battery. Problem I am having when I acclerate the headlights get brighter and when I lay off the gas the headlights go dimmer. I just checked the battery and the alternator and both check out OK. The battery terminals are clean, if that matters. Any suggestions? Thanks-
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#2
10-20-2005, 09:56 PM
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Re: 1992 Bonneville headlight problem
Voltage fluctuations. Alternator speed is proportional to voltage output. do you have a voltmeter on the instrument panel? Does voltage increase & decrease with engine speed? Maybe voltage regulator malfunction.
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Mark 2003 Pontiac Bonneville SSEi, 1999 Ford Escort SE, 5 Speed IBEW Local 261 Groton, CT  
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