Re: Electrical gremlins (elves?): summary

[Chris Newbold <Chris_Newbold@transarc.com>]

I wrote:
 
> Looks like the Audi Santa, er God, of electricity has come early this
> year... I've got some weirdness with things driven off the driver's door
> jam switch.
> 
> As in most Audis, the driver's door jam switch drives a number of things:
>   o dome light
>   o radio on binger
>   o lights on binger
>   o alarm
>   o interrupt power windows (first time door is opened after ignition
>     switched off)
>
> In the last few days, things haven't worked right; at first I figured
> that the switch must be worn or corroded. However, I've noticed that
> the failures affect a random collection of the items above.
> 
> Tonight, for example, the dome light did not go on when I opened the
> door, but the lights-on and radio-on binger worked, and so did the
> power-window interrupt. This morning, I had dome lights, but no
> binger.

Thanks to all for the replies. Here's the scoop: I had two problems.

The door switches actually have two contacts (three connections, including
ground), though they both engage at the same time. A disassembly revealed
no corrosion, but a thorough cleaning solved the problems with the dome
light, etc.

It also looks like there's a bad connection somewhere on the IC PCB,
which is causing the intermittent and "scratchy" sounding binger. I still
have to track this one down and repair it.

-Chris
1993 90CS 5sp 72k miles