90q self activating diff lock

[David Torrey]

No, I haven't spent time trying to troubleshoot this problem.  It became much too, cold and my garage is unheated.  I ruled out the switch because the temperature inside the car is 70 degrees.  Perhaps this is a false assumption.  Seems as though the resistance of an electrical component is changing with increased temperature and engaging the diff.  
   
  Regards,
  David

Huw Powell <audi at humanspeakers.com> wrote:
  

> It may not be the switch. Mine turns itself on in air temperatures
> above 55 - 60 degrees. Now that cold temperatures are here the diff
> lock never comes on. Wish I could help more. I'll be trying to
> trouble shoot mine in the spring. Mine is a '93 100 CSQ avant with
> 172k miles.

How do you know that isn't the switch having a problem? Did you ever 
figure out what was causing the anomolous activation at higher temps?

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/


       
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