Fuel pump wiring
i ain't rite
Joined: Mar 2005
Posts: 65,465
Likes: 5,534
From: Marlboro Mental Hospital.
that is because your truck does not have an in tank pump. it only has a sending unit, so it only needs one wire hooked up to work.
is that wire soldered to the terminal? it looks like it.
the sending unit probably died or the pickup broke off and someone replaced it with a gas engine sending unit.
is that wire soldered to the terminal? it looks like it.
the sending unit probably died or the pickup broke off and someone replaced it with a gas engine sending unit.
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Trailering
Joined: Aug 2019
Posts: 23
Likes: 0
that is because your truck does not have an in tank pump. it only has a sending unit, so it only needs one wire hooked up to work.
is that wire soldered to the terminal? it looks like it.
the sending unit probably died or the pickup broke off and someone replaced it with a gas engine sending unit.
is that wire soldered to the terminal? it looks like it.
the sending unit probably died or the pickup broke off and someone replaced it with a gas engine sending unit.
i ain't rite
Joined: Mar 2005
Posts: 65,465
Likes: 5,534
From: Marlboro Mental Hospital.
if one tank sender was bad and needed to be replaced, there is a good bet the other sender s bad too.
only way to test the switch is to run it on that tank for a while after filling the tank up, and seeing if it used any fuel out of that tank.
only way to test the switch is to run it on that tank for a while after filling the tank up, and seeing if it used any fuel out of that tank.
Lead Driver
Joined: Mar 2006
Posts: 5,098
Likes: 1,504
From: western SD
If you added fuel and the float showed the level went down, then someone put a sending unit in from an old 6.9-7.3 IDI in your truck, as they read the ohms/ resistance different than these trucks. I don’t remember which is which, but one reads more resistance as the level rises, and one reads less.
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Trailering
Joined: Aug 2019
Posts: 23
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If you added fuel and the float showed the level went down, then someone put a sending unit in from an old 6.9-7.3 IDI in your truck, as they read the ohms/ resistance different than these trucks. I don’t remember which is which, but one reads more resistance as the level rises, and one reads less.
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