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'86 Chevy Blazer 4x4 2.8L Alternator Problems: Please Help
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Bryan J. Wey
Mar 17, 2001, 7:57:37 PM3/17/01
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I have a 1986 Chevy Blazer 4x4 2.8L. I was driving along, when I noticed my
voltage drop, about 20 seconds later, the charging system idiot light came
on. I replaced the battery today, and it wasn't the problem, since the
idiot light is still on. I tested for field magnetism, which seems to be
working, but the alternator/regulator isn't putting out enough juice to
recharge the battery (13.66V engine running, 13.21V battery only). I don't
have any fancy tools, just my good ol' ratchets, and a few multimeters...how
can I test the alternator itself? Should I just scrap the alternator for
one from a junk yard, or get a mechanic to do it? If a mechanic does it,
how much will the parts be (reman or new)?
voltage drop, about 20 seconds later, the charging system idiot light came
on. I replaced the battery today, and it wasn't the problem, since the
idiot light is still on. I tested for field magnetism, which seems to be
working, but the alternator/regulator isn't putting out enough juice to
recharge the battery (13.66V engine running, 13.21V battery only). I don't
have any fancy tools, just my good ol' ratchets, and a few multimeters...how
can I test the alternator itself? Should I just scrap the alternator for
one from a junk yard, or get a mechanic to do it? If a mechanic does it,
how much will the parts be (reman or new)?
Please respond via my email:
brya...@hotmail.com
Thank You In Advance
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