Electrical Gremlin

[Peter Golledge]

On 3/3/2013 11:04 PM, Brian Pleet wrote:
> My 95.5 S6 has been a model of reliability with accessories for the last 17
> years, until...
>
> Three, seemingly unrelated issues at once;
>
> 1) Horn quit working - could hear the relay working so I checked the fuse
> and it was blown. 8 years ago I replaced one of the two standard horns with
> an aftermarket air horn, now only the original single horn is working
>
> 2) Windows - upon starting the car no window will operate, then after  a 5
> to 15 minute drive they start working again. Thought wiring was the likely
> cause so last week I pulled the accordion rubber between the frame and the
> driver's door and found 2 broken wires. Several more are showing wear from
> the constant bending. Even with the 2 broken wires, the windows would not
> work, then work again. Today I repaired the two broken wires and the
> windows are still working intermittently.
Splice in new wires for every connection going through the door, BTDT 
with a 200 and urS6.  One they are all done things just work. :-)  Make 
sure you use enough length to keep the splices clear of any movement.

>
> 3) A/C- control panel will often not allow a temperature change, or a fan
> speed change as if the panel is frozen. Compressor will often not respond
> on or off so when needing defrost I turn the whole system off with the fan
> button, then restart with Auto and the compressor and A/C works fine.
> Sometime the control panel works perfectly. I pulled a code using Ross-Tech
> of:
> 01271 - Positioning Motor for Positioning Flap (V68)
>     41-10  -  Blocked or No Voltage - Intermittent
Cold solder joints in the CC head cause the panel button issue, pull CC 
head (do the bulbs while in there) and reflow the joints on the 
connector.  HOWTO: http://forums.quattroworld.com/s4s6/msgs/60008.phtml

Flap issue is like a servo with tired/dry grease.   You can pull the 
motor and regrease or replace, the servos in the firewall area are easy 
to get to... the ones on the side.. might as well just replace the 
heater core and fan while you are in there. :-)
>
> I'm too old to start believing in Gremlins, so please tell me where the
> logic link may be or how to diagnose the unrelated root cause(s).

Just old cars getting older...
>
>
> Thanks,
>
>
> Brian
> 95.5 S6
> 02 TT Roadster
> 90 90Q
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