Dead alternator? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-12-2009, 10:41 PM   #1
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Default Dead alternator?

Started my 91 Bonneville SSE up for the first time in a couple months today, put a brand new battery in, all seemed fine, ran very nicely. Did about a 2 mile trip and the check battery light came on, and the voltage gauge was right around the 1/4 mark. When I got home I did the "turn stuff on and see what happens" test, turning on the radio did nothing, but turning on the headlights, the gauge just plummeted down to the 8 mark. Car was still running off of battery im assuming as it didnt die. Turned it off for a bit and came back out, it started up fine, but turning anything on inside resulted in the gauge once again plummeting down. I have access to a 94 Cutlass with a good alternator, and was wondering if it will work in my Bonneville? Or if this even sounds like an alternator issue...
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Old 05-12-2009, 10:46 PM   #2
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