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Re: Stock alternator to 12 SI alternator
Quote:
Originally Posted by dmjlambert
It depends on what you mean by "the amp gauge". That site does not show how to wire the stock amp gauge from a 67-72 Chevy/GMC truck. It covers how to wire an amp gauge that has a built-in shunt, so that would be an aftermarket or some other model year or make amp gauge. The stock amp gauge for 67-72 uses an external shunt. The shunt is the 12 gauge red wire that runs between the battery and alternator, and in order for that to show all charging and discharging of the battery, no accessories are connected at the battery or starter.
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Oops, thanks for clarifying that. I found that site a while ago and bookmarked it for when I wanted to tackle getting my gauges straightened out.
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1969 GMC Short Step Side
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