Thanks to all who responded so quickly to my Blinking LED questions.  Appears
that I had a bad ground connection on the brown wire to the sensor.  All is
fine now and the engine is running nicely.

Maynard

On Sunday, June 23, 2002 10:09 PM, Maynard Southard [SMTP:echomhs@gis.net]
wrote:
> Ok, I just replaced the head gasket in my '86 Diesel Double Cab.  Now the
Low-
> Level Coolant Indicator is blinking away.  It did not do this before the head
> gasket replacement.  The reservoir and level indicator are fairly new (3
> months).  I flushed all the old coolant out (it looked fine - no sediment or
> rust).  I chose NOT to use the VW blue coolant (I'm using regular Prestone).
>  I've bled all the air from the system.  Reservoir is full to the cap.  The
> temperature gauge reads as it always has (just to the right of the blinker).
>  The radiator fan comes on every once in a while, as usual.  Everything seems
> fine, except that dang blinking LED!
>
> If I bypass the sensor, should the LED stop blinking?  What else could be
> causing blinking?  Any suggestions for what else to check?
>
> Thanks,
>
> Maynard Southard  (OvO) '79
> '86 Double Cab Diesel "Col. Potter"
> '82 Westy Diesel "Reinhardt"
> '82 Vanagon GL Diesel "Sluggo"
> '93 EV GL "Klinger"
> '00 Golf GLS TDI "WooHoo"
> '84 Jetta GL TD "Donor"