gas tank wiring problem

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Mar 25, 2004 | 04:48 PM

#1

hammerdn

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From: staunton

gas tank wiring problem

I am puting a F-250 1987 rear gas tank in my 1979 F-250. I have done this before but I forgot how I done it. The 87 sending unit has 4 wire hook ups and the 79 only has 2. I wired the hot wire to the wire to the sending unit and the ground to the one that looked like it was the ground ( it had a stud but no wires leading off it). when I moved my flot the gage read backwards. does anyone have any ideal what I am doing wrong?

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Old

Mar 25, 2004 | 09:56 PM

#2

Mil1ion

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I'm pretty sure they changed the way they wired the system to monitor the fuel.

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Mar 26, 2004 | 07:34 PM

#3

Franklin2

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From: Virginia

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Yes someone in the know wrote in awhile back and said Ford switched the sending units and guages around somewhere in the late 80's.

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