| Re: alternator/charging system wiring help
The alt n wiring is the same; no big changes happen cause of engine.
Now what the problem is, you have a short or bad activation wire.
See an alt doesn’t "work" until it get 12volts [which happens soon as the key it turned on], if a wire is broke on the inside of that or a lose connection, it will blow the alt as you can't energize an alt while it spinning.
I know this cause my buddy had 2 of them to power his stereo system.
He had the 2nd one switched on the dash to power it.
Why? Cause he could decide if it would take away engine power or not, as when energized it take some away to spin it. When it has no power, it just free spins.
He could turn it off at anytime and it didn't matter but if he forgot and was already driving when he turned it on POP warranty time.
Also make sure nothing is rubbin on it.
My FSTB would rub mine on a sharp turn down a grade, and the bar touching the spinning pulley for just a sec, just that much drag would kill it. Happened twice till I ground a 1/8in off the bar in that area so not to rub. | 
