Oxidation on a connector perhaps.

In article >,
says...
> I just want to take the time to thank everyone who replied to my post.
> At your suggestions my mechanic checked every electrical connection
> and although he couldn't visibly spot a loose ground wire, the action
> of removing each connection and putting it back has solved this
> problem. The lights no longer flicker and I can run all the
> accesories (a/c, defroster, wipers, headlights, etc) without the ABS
> system shutting down.
> My guy spoke to mechanics who do a lot of work on Saturns, and this
> loose ground is a common problem on Saturns. In any case, my car is
> running better than it has in over a year.
>
> Thanks
>