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Old 12-03-2019, 05:18 PM   #6
raidmagic
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Join Date: Jan 2015
Location: Tampa, Fl.
Posts: 420
Re: 1980 Fuel gauge pin out.

Quote:
Originally Posted by hatzie View Post
Usually the intermittent is the tank to frame ground wire but the 1980 and older dual tank switch can do this too.
The tank still makes contact through the straps sometimes hence the intermittent function. The switch will do similar things but I'd check the tank ground first.
Next time it presents the needle in the 3:00 position grab some jumper cables and hook the pinch weld on the tank to a clean spot on the frame with them. Betcha it gets all better. It may stay that way when you remove the jumper cables just to mess with your head.
Good info as always. Any ideas on how to connect the speedo?
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1965 C-10 1/2 ton shortbed part time daily driver
1980 C-10 1/2 ton shortbed project
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