it's not 'shorting', that would be arcing and sparking .... when the gauge gets power it's default position is pegged full until the resistance from the sender gives it a ground - check your sender wire again, and the sender itself, as well as the ground to the frame with an ohmeter, unless you find a resistance between 1 [empty] and 30 some [full] ohms you have an open circuit. if the sender and wire check good you have a bad gauge

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