Re: SS Dash Conversion- Amp gauge question
I'm sure someone else can tell you how the originals were hooked up but given what you said here is what I think. If the alt is hooked to the junction block current will flow from the alt to the battery. Since the meter is across the junction block and horn relay it will never sense this current flow. When the alt is not charging enough, battery drain, the meter will see this, a voltage drop between these two points. Since current never flows from horn relay to junction block in your setup the meter will never show charging. The alternator positive would have to be hooked to the horn relay to sense current flow in both directions, charge/discharge. Not saying that is how it should be hooked, I'd have to look in the factory assembly manual to verify.
70 Chevelle SS396(454), M20, 3.73
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