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Sorry Mike,I don't know how GM wired up the Caprice.
I'd need a schematic to figure it out.
Almost sounds like a one wire set-up,in the way the charge wire goes directly to the battery.
I can't see GM useing a 1 wire set-up though.
I'm sure there is a load signal getting to the ECM somehow.
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension.
Petrolia,Ontario,Canada but working in Port Huron,MI.
See ALL my Blazer pic's HERE
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