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v2rocket_aka944 v2rocket_aka944 is offline
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Join Date: Mar 2008
Location: Rancho Cucamonga, CA
Posts: 3,462
believe the mechanism is nominally 12V but the lightbulb provides a certain amount of resistance which the alternator uses to figure how much output it needs to make.

so you might be able to bypass it for testing by measuring the resistance of the lightbulb, then getting a radio-shack resistor of that value (or just use the lightbulb on a test wire) between the alternator and battery +.
Old 12-05-2017, 08:27 AM
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