Re: Output Wiring? CS 130
I believe one of your problems is the battery is too small and secondly, its not a daily driver.
As undee suggests, a smaller alt pulley is needed. Get a stock size and smaller length belt. Or, get a larger crankshaft pulley.
As far as the battery, 650 CCA is too small. The fan uses 20 amps for normal running, 20 amps continuously. Doesn't take long for the battery to become discharged.
A 1000 CCA battery would be better served along with a battery tender plugged in when not in use. Or a second battery, just in case, and alternate batteries with daily driver.
Better yet, if car is trailered, which I doubt, you could hook up a quick disconnect between the car and towing vehicle and allow the towing vehicle to charge battery and run fans during cooldown.
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