Join Date: Jan 2017
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You may have an intermittent short to the fss. With the truck running try wiggling the wires going to the fss and lightly tapping on the fss. Also confirm the linkage doesn't have any play at the end. I would also consider checking the fuel tank for algae growth as a last resort if all else fails.
1998 2500HD Laramie SLT 4x4 12v QCSB 5 spd 3.55 200k stock
2004 2500 Laramie 2wd 305hp QCSB 6spd 3.73 200k stock