At 10:55 AM 1/10/2005, you wrote:
>check the resistance of the coolant sender with a multimeter and compare
>your values to the ones in the manual.  additionally check the resistance
>between the case near the sender and ground on a chassis ground point.
>resistance should be very low here, if not clean up or redo ground
>connections to make it so.

Might also want to unplug the lead from both the sensor and the gauge and
make sure there's no short to ground on the wire between the two, no?