Originally Posted by 54GCPGMC
i hooked up a wire directly from the battery to the gauge and clean grounds on both sender and gauge. it is a 12v vdo gauge. the sender is brand new.

Are the sender and gauge matched? A stock gauge uses a 0-30 ohm sender. The VDO gauge may or may not.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.