Check the wires

William Magliocco magliocc at rocketmail.com
Wed Oct 20 14:28:15 PDT 2010


If you think you have a bad low pressure switch on a ~25 year old car, try 
checking the connecting wires themselves.

This same thing happened to me on my 1993 Audi 100 last year.  The switch was 
fine but the wiring wasn't.  It broke ~6" from the connection to the switch.  I 
knew my pressure was OK from the dash gauge, as its behavior was consistent as 
ever.



      


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