Originally Posted by fmc400
Float arm could be stuck (less likely), rheostat in the sending unit is shorted, or a short to ground somewhere between the sending unit and gauge. Pull the sending unit lead and see what happens.
I assume the temperature gauge does not peg toward H?
The temp. gauge seems to be working fine. I'll do some messing around with it tomorrow and see what happens. Just odd that it happened so suddenly. Thanks for the reply.