[Vwdiesel] temp gauge doesn't

[Kurt Nolte]

I believe it's one of the small sensors. Not owning a Jetta, I'd hazard 
a guess that two of the wires are involved in the AC system's switch, 
and you have two smaller single-wire sensors? On the Quantum wreck I 
gutted, one of these small sensors supplied a reading for the gauge, the 
other for the glow plug relay.

-Kurt


Kneale Brownson wrote:
> I have a nonfunctional coolant temp gauge in my 1994 Jetta TD.
>    
>   Any way other than pulling the instrument cluster to test the gauge?
>    
>   Which wire of the four coming off the connector at the top of the coolant flange neck goes to the gauge?
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