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Old 12-19-2020, 01:50 PM   #6
gmc684x4
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Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
Re: Help with alternator

It will be using 73 up c10 alternator in a 10 or 12 si configuration

If you want to step up from the si to a cs alternator nappa has a ec82 adapter plug kit with resistor

As for the cs 130 and 144 i am not sure which vehicle work with v belt setups both i have are from a 92 and a 99 trucks setup for serpentine belt
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