[s-cars] Mysterious Elec Problem - Temperature Warning Light always on

[FvAMI at aol.com]

In a message dated 1/20/05 8:55:32 AM Pacific Standard Time, 
mdbishoff at comcast.net writes:


> Folks - The warning light on my '92 S4 comes on and starts blinking after
> about 15 seconds. This happens whether the car is cold or not. I checked the
> anti-freeze level and it's well within the acceptable range. I replaced the
> multi-failure sensor on the engine knowing that was causing my gauge not to
> work, but that didn't solve the warning light problem. I removed the
> electrical coupling from the bottom of the anti-freeze tank thinking there
> may be an issue with that particular sensor. I jumped the contacts as well
> as kept the contacts open, each time starting the car and each time getting
> the same warning light. I went as far as disconnecting the battery in case
> some error code was hung up in the ECU. No luck.
> 
> 

Probably a loose connection inside the Dash or a broken wire. The "overflow" 
switch is the one that triggers this one.

regards