[Vwdiesel] glow plug indicator light - follow-up

[Erik Lane]

One sensor is for the temperature gauge and the other is for the glow
plug controller.

If your gauge and the controller are both working fine then there is
no need to replace the other one. I guess you just got lucky with
which one you replaced! :)

Erik

On Sat, Jun 14, 2008 at 6:43 PM, Craig Osborn <cosborn at epix.net> wrote:
> Thanks to all who made suggestions.  As a few of you guessed - it was indeed
> the temperature sender.  One follow-up question --  I thought that there was
> only one sensor, but I see there are two 180 degrees opposed on the fitting.
> Should I have replaced both?  It is working correctly after replacing one.
>
>
>
> Craig
>
>
>
>>>My 81 recently started doing a peculiar thing.  The yellow glow plug
> indicator light will light when the ignition key is turned, but will NEVER
> turn off until the engine is started.  The engine will start (even in cold
>
> temperatures) in the usual manner if I wait for a period of time equivalent
> to the time in the past when it was functioning properly.  After the engine
> is started, the yellow indicator light will turn off. It acts the same way
> even if the engine is at normal operating temperature and I perform a
> restart. I replaced the glow plug relay with a new one and it did not fix
> the condition.  Any suggestions?
>
>
>
>
>
> Craig
>
>
>
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