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Now, that red wire coming into the alternator from the battery/starter.. that looks like it's constant hot/ charging lead (aka the big wire bolted to the back).
That should, when you touch from the bolt on the alt to any metal with the two probes, be 12v. No matter what.
Orange must be a little wire on the harness it looks like. Should see 12v at run/start.
The other two wires look like "status" signal wires going to the computers.. I haven't dealt with those, and I'd only be guessing anywhere past there in the circuit. However.. if the regulator is all one unit with the alt, that should be irrelevant to the charging output. (that's my theory.. I guess) .
kfjsdlkjf I'm feelin a little shaky on just what it could be, ugg. Rig up a little test light, and go from ground to the bolt on the back of the alt.. does it light up with the car running? Does it still light up with the car off?
If it lights up with the car on, but then goes out when it's off, it's the fusible link on the big wire.
If it stays on when the car's off, the big red wire side of the circuit is ok...
hmmm, I really wanna get my hands on this car, it's easier than trying to explain lol.
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