Sunroof Problems Bentley let me down

[Huw Powell]

> Patient is an ’89 100q. Sunroof suddenly stopped in
> mid-stroke. Power windows continue to work.
>
> Upon disassembly of the dome light/sunroof control
> assembly, I find there is no power at any of the leads
> to the sunroof switch, but there is power to the dome
> roof light.

that's because they are on totally different circuits.

> If my guess is right, the hot should come into my
> switch at terminal #5 on a black with blue tracer. By
> the way, my switch is part #443 959 561B. If I put 12
> volts on that lead, I can get the sunroof to work.

that's a good sign, all you have to do is figure out where that wire
gets its power now, right?

> I also read in the Bentley and in my owner’s manual
> and have seen in a recent thread, that there is some
> overload circuit breaker for the sunroof. I don’t see
> it in this schematic, though. Any idea where it is
> located?

should be in the aux relay panel over the driver's knees.  Little 1" by
1/4" or so silvery metal can(s).  There might/should be a couple, one
for the windows, one for the sunroof.

--
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/