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When I first drove the truck home 2 years ago, I filled up the tank and it went to "E". I had never completely filled it up since only as much as half tank. I had changed out the fuel pump which has the sending unit. Since it registered anywhere up to that half tank since then I figured it "fixed" it. BUT, the other day I took a trip and filled it up again finally and it dropped to "E" again. Does that sound like a ground issue, short issue or gauge issue? Has anyone had this happen and fixed it?
i think you might have a 36 gallon tank because i have a 22gallon tank in my backyard from my 91 and it is only 47 inches long by about 11 inches wide.
do you still have that 22 gallon tank available? I’d be interested in it!
In my Mopar Truck parts catalog 1984-85 they mention four sizes 22/36 and 20/30 gallon.
Don’t know if the parts # are accurate for your year model, or if they changed them?
Part #
4279 481 22gal
4185 420 36gal
4279 842 20gal (mid-mounted)
4279 843 30gal (mid-mounted)