1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Does anyone know signs of a bad alternator.

Old 12-25-2007, 11:26 PM
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And that'* exactly how we all learn.
Old 12-26-2007, 01:19 PM
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Alternators get weak when there is grease or carbon tracking on the armeter brush path.
They fail completely when the brush hits bottom or a rectifier or regulator goes out.
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