you must not use anything on the threads of an electrical sender or you will not get a good ground to make the gauge function - the taper of the threads makes the seal

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