Water temp/Level Red LED

[Neal Tovsen <ntovsen@piper.hamline.edu>]

I just had this fixed at a local shop because I didn't want to mess with
it. When I found out that fixing that stupid light would involve either
messing with anti-freeze to change the sensor, or digging out the
instrument panel, I gladly paid the money to let them do it. In my case,
it DID happen to be the temperature sensor, and I'm
finally free of the most annoying flashing light I've ever known! If you
have already checked the temperature sensor (sounds like it), and that
wasn't it, I would suggest checking the circuit board behind the
instrument panel that the light is mounted to. The mechanic at the shop
told me that these tend to be fairly fragile and can cause the
intermittant blinking problem if one of the copper traces on the circuit
board has a crack in it.

good luck!
Neal
'88 16v

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The little red LED in the water temp gauge will not stop flashing in
my 87 Scrocco GTX with 1800cc "K" injection engine. When I turn the
ignition on it flashes then  goes out for a few seconds and comes back
on flashing for the rest of the journey. Looking at the Haynes manual
wiring diagram the LED has a controller strapped across the
temperature gauge. The gauge is fed from the voltage stabiliser. The
other side of the gauge goes to the temperature sensor and the coolant
level relay and that's it, simple I think. The LED controller also has
a ground connection. So I pull the level relay, top right relay on
fuse box extension, switch on and LED keeps flashing. So I also pull
the wire from the temperature sensor and LED keeps flashing. I ground
the sensor wire, gauge goes full swing LED flashing. Open sensor wire,
gauge goes to zero and LED is still flashing. So I admit defeat and
plead for help from any one who has had this problem or knows how to
get to the LED to snip the wire! Yes, I have checked the water level.
The temperature needle runs just past the LED as it always has. 

			Neal Tovsen

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