Re: [Classic Mustang] '67 lighting/electrical problem

The alternator wiring is different depending on whether
you have an idiot light or a factory gauge.... with a
gauge there is no wire on the stator terminal ...
I'm guessing you have a light since you have a wire
on the S terminal

See attached diagram(s)

Walt

Matthew wrote:
>
>
> OK I have an update:
>
> I checked and cleaned as many harnesses as i could find. this did not
> make the flickering any better. I next pulled the cover off the
> regulator and started the car. i noticed that the top contact was
> clicking on and off at the same rate the lights were flickering. i
> held this contact down momentarily and voila, the engine rpm
> stabilized and the flickering stopped. I pulled out my ohm/voltage
> meter and started checking for grounding problems. I also pulled the
> + cable off the battery and the engine continued to run around 15
> volts. I next started checking the alternator. I noticed there was a
> loose wire on the alternator on the post labeled "STA" i assume this
> stands for stator??? I tried tightening the wire but the entire post
> spun. I checked for voltage on this post and there was none. I pulled
> the alternator and took the case apart to find the plastic insulation
> surrounding this post burnt to a crisp. I went back to the car and
> tested the wire that was hooked up to the "STA" post. it is a ground
> wire. SO to make a long story short, i think i may have found my
> problem. I only have three wires hooked up to the back of the
> alternator. is it possible the "STA" post is not supposed to have a
> wire attached to it and the ground wire that was originally on it
> should be attached to the "GND" post???
>
> thanks for your help.
>
> matt

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