overcharge problem on my bonni sse 1989 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-19-2004, 02:30 PM   #1
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Default overcharge problem on my bonni sse 1989

:(

hello here everything go , in the dash my battery gadge it reading 18 at the max
so this is not right ... i change my alternator , still the same , change my battery , still the same , and to put it worst now my compas and driver info digital screen are gone
can someone help me , am out of option now ......
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Old 01-19-2004, 03:03 PM   #2
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First, don't trust that gauge. Get a real voltage reading by using a multimeter or something similar.
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Old 01-19-2004, 05:47 PM   #3
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maybe there'* a short?
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Old 01-19-2004, 10:25 PM   #4
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Default Re: overcharge problem on my bonni sse 1989

Quote:
Originally Posted by rayven2929
:(

hello here everything go , in the dash my battery gadge it reading 18 at the max
so this is not right ... i change my alternator , still the same , change my battery , still the same , and to put it worst now my compas and driver info digital screen are gone
can someone help me , am out of option now ......
My former H-Body was a 1989 Buick LeSabre and the SES light came once. The Buick(like my present Olds) did not come with any guages. A friend of mine had a Scan Tool and it showed the Alternator pumping out 19 Volts. He didn't think this was possible and surmised that it was probably the computer. Since you can't buy a computer and just return it if that does not solve the problem, we "borrowed" my mother-in-laws identicle 1989 LeSabre and swapped computers. Sure 'nuff, the same problem appeared in her car and mine was fine. I bought a new(rebuilt) computer and that was that. It'* worth a shot if you are "all out of options", but remember I had the "luxury" of borrowing a good computer.
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