Need help with fuel sending unit
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Junior User
Joined: Oct 2004
Posts: 72
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Need help with fuel sending unit
I have a 1984 F-150 with dual tanks and needed to replace back tank (leaking) I replaced the with one from a 96 F-150, which was free by the way it was wrecked, tank fit fine and works perfectly except for the fuel gauge I understand they changed the ohms on the sending units around 1989 but I am needing to know if there is a way to change either the gauge on the instument cluster to a newer version (I'am going to replace front tank shortly also) or if anyone had any ideas on how to correct this issue without adding any more gauges outside of the current instrument cluster. Any help on this matter would be greatly appreaciated. Thanks
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
If the sending unit from your old tank fits in the new tank, that would be the easiest way to go. I have heard about people using newer instrument clusters in older trucks, but i'm not sure on how the wiring and install would go.
Elder User
Joined: Feb 2003
Posts: 760
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From: Boise, ID
Originally Posted by jmteam6
or if anyone had any ideas on how to correct this issue without adding any more gauges outside of the current instrument cluster.
I had assumed that the resistance values were the same throughout the 73'-96' years. I'm using a 96' rear tank and a 95' main tank for the EFI swap in my 77'. My wirings not done so I don't know how the gauge works.
