98 suburban 6.0 swap fuel gauge

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towers91_

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Hey guys! New poster here, I’ve completed a 6.0 swap in my 98 suburban as a “stock” swap

Dished piston 6.0, 862 heads, factory gmt800 manifolds, y pipe, cats, 02sensor etc. Used my 98 4l60, which will be replaced with a 4l80 when the time comes. Anyways!

I’ve pinned in my fuel gauge to the red pcm connector as per lt1 swap.com and have used an 01 4.3 express van tune to segment swap the fuel system information into the pcm, and am not having any luck getting it to read a fuel level. Just reads empty, anyone have any ideas, or direction to point me in. I do have hptuners on hand, so any changes are easy to make.

I’ve got about 3-400km driven into this swap, and 0 issues other than the lack of fuel gauge, I’m hoping to rectify this soon, as my other ls swapped vehicle also does not have a fuel gauge and… yes. Very annoying.
 

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SUBURBAN5

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I might have your twin.. welcome to the forum.
 

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