Re: About to rewire my 70 c10 need help please
They go to the factory ammeter in the gauge cluster. One wire comes from the battery, the other from the alternator. Both wires should have a 4 amp fuse. There's been a ton written on them here on the site. A quick search should tell you all you want to know and probably some more!
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72 Chevy 2WD Blazer
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