disconnect the wire from the sender and touch it to ground, gauge should peg hot .... or just get a new sender at your local parts store and replace it, cheap enuff

Bill



Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics