That all makes sense... I figured that once the D+ pushed power back to the light that the power would effectively cancel itself out and the light go off. What seems to be the problem is that it's getting power even when the ignition is off and the ignition switch seems to be functioning fine in all other ways. I just can't figure out why the D+ on the alternator would be live when the ignition switch is off.
Perhaps if someone else could pull their D+ wire and put a test light or meter on the terminal to see if theirs is also showing power when the ignition is off.
No word yet from the alternator shop...
Thanks for the input and trouble shooting suggestions.
MH
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