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Old 04-06-2011, 05:28 PM   #9
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: CS-144 140amp alternator upgrade howto

Excellent upgrade.
AC Delco makes two adapters. My part numbers differ from the OP.

Resistor use if you have a volt gauge.
AC Delco 8078/GM 12102921

No Resistor use if you have an "idiot" light.
AC Delco 8077/GM 12083462
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