I sanded the ground down to bare metal the first time with no result so I then grounded sender to the negative post on battery and still no movement. It is suppose to be a new sender and the gauge is also new and I grounded the gauge cluster to the bottom of dash to insure a good ground there...the wire from sender to gauge is also new. I have converted all to 12v but couldn’t get the 6 v set up to work either.
