1970 C10 Battery/Alternator/External regulator issue
I’ve got a ‘70 C10, battery keeps going dead when I’m running lights. Here’s what I’ve gotten so far..
1. Alternator is 2 wire external regulator, running, the battery leads show 12.8 volts, lights on it drops to 12.5V..
2.Battery is new, holding at 13V charged and unhooked.
I need to know, where does the original wiring w the external regulator, the brown wire goes where? The ignition switch? I’ve had overheating issues with the wiring, which is why I don’t currently have it plugged in at #4 on the regulator.
What’s the problem? Alternator or regulator?
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