[V8] V8 Sunroof Problem

dsaad at icehouse.net dsaad at icehouse.net
Wed Jun 23 15:00:49 EDT 2004

Look at group 60 in the manual. It has pretty specific instructions for testing
the sunroof stuff.
On the electrical diagrams, spend some time looking at the first few pages -
this explains how the schematics work. Once you get the hang of it, you can
trace through circuits pretty quickly.


Quoting Brad Hartman <brad at speakoutpro.com>:

> First of all, this is Brad Hartman, long-time member of the V8 list.  I had
> to resubscribe under a different email address because I became unsubscribed
> some time ago when my mailbox became full.  All attempts to resubscribe were
> fruitless because it said I was already a registered member, but then I
> could never get the digests again.  I reported this bug to the webmaster
> some time ago but have not received a reply.
> Now, to my problem.
> My sunroof is not operating.  I opened the access to it and discovered that
> there is no power to the sunroof via the Red and Black wire that connects to
> the sunroof mechanism via a connector.  I applied 12 volts to the connector
> and the actual sunroom mechanism works fine, so it's not at fault.
> There is no fuse for the sunroof, just a relay (#1, I believe).  This relay,
> however, also operates the power windows (I think) which all work fine, so
> I'm guessing the relay is OK.
> Any idea where that Red and Black wire goes from the sunroof area?
> Somewhere there's an open circuit, I'm guessing.  I have the Audi manual
> (hundreds of pages) including all wiring diagrams, but it's really hard to
> determine where the wires go from reading this.
> Any suggestions?
> Thanks
> Brad Hartman
> 1990 V8
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