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  1. S

    Fuel Gauge

    My bad, my truck does in fact (as you already know) have a rear sending unit. The transfer pump is on the frame rail. :confused:
  2. S

    Fuel Gauge

    PCM has no codes, the rear tank only has 2 wires, it has a pump so I assumed it has no sender. The front tank sender controls the rear pump, with the front sender unplugged the rear pump is activated. We have omed the wires an there are no open circuits. Also when we tested with the new sender...
  3. S

    Fuel Gauge

    Have fuel gauge issue, non working has fuel light on. Tested tank module with new unit, did not install. Plugged the module in and moved the float an nothing. Had dash unit tested/rebuilt. Rebuilder confirmed fuel gauge problem, replace gauge motor an no fix. Suspect maybe board crack. replaced...