[Vwdiesel] Glow Plug Relay troubles
82 Diesel Westy
dieselwesty at yahoo.com
Tue Jan 9 10:20:39 EST 2007
on my very simple 1.9na setup in my van, the glow plug
relay is controlled by a coolant temp sensor in the
inlet bracket for coolant getting back to the head.
There are several of these sensors that exist, all M10
thread but different color plastic indicated the temp.
that will trigger them. On old stuff, you can not see
the color of the sensor plastic or whatever material
it is, anymore. Some have a Celsius degree stamped on
them. This could be your issue if it is faulty and
triggering you relay to turn the glows on?
Bryan
--- David Cook <vwdieselbunny at yahoo.com> wrote:
> I installed my glow plugs this afternoon, as well as
> finally getting the cold start handle in! Woo Hoo,
> the conversion is finally complete after two plus
> years!
>
> Anyway, the reason the GPs burned out is that the
> relay will very quickly trigger on and off, causing
> the indicator light to flash and the GPs to get
> power
> and have it cut off very quickly over and over. It
> happens so fast it sounds like a cicadia is under
> the
> dash buzzing or something.
>
> My theory on why this was happening is that the
> wiretap I did to get the signal to turn the plugs on
> from the ignition switch was bad. Today, I redid
> that
> connection and it still did it once while driving.
>
> I also noticed that sometimes when the car is
> started,
> the indicator light will flash, though I can't hear
> or
> feel the relay clicking. Revving it so the
> alternator
> will start usually makes that stop, but not every
> time.
>
> It does it with two different relays, one VW and one
> aftermarket.
>
> Any ideas on what to investigate now?
>
> David
>
>
> David Cook
> Red '86 Cabriolet Diesel Powered
> Red '90 g60 Corrado
> Brown and White '78 Westy Campmobile "Bear"
> and others in various states of disrepair
> Pictures here:
> community.webshots.com/user/superdave5599
>
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