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Discussion Starter · #1 ·
I had this happen once before, the needle went all the way up past full and the ground wire back by the tank came off the screw. The screw was rusted stuck so I moved the wire over to another spot and it worked fine since then. I went to change the rubber hoses back there and I guess either I messed up the sending unit or the wire. I checked the wire and cleaned the connection and even hooked it up to a negative source (battery charger)but the needle still won't move. Even with the ignition off it won't go down from where it is. What can I do? It's a non-SS sweep dash.

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1970 Chevy Custom El Camino
Originally was & will be Green Mist & Silver w/Green Vinyl Top (now black/black)
350ci/300HP 4bbl & Dual Exhaust
TH-350 - 2.73 Posi Rear - Factory PS, PDB, PW, Tilt, A/C & More
1987 Chevy Caprice Coupe (spare car)
Other Restorations - 1967 Sears Custom 600 Tractor
 

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Turn the key to ON and ground the tan sender wire. It should drive the gage to empty. See if it does. If it doesn't there's a problem with the sender wire or the gage. If so, try grounding the tan sender wire at the gage.
 

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Discussion Starter · #3 ·
Thanks, it worked. I guess it got stuck up at the top.
 
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