Monitors fuel level in main tank and automatically kicks on to fill as needed. Was removed from 2006 SWB QC 4WD with a 35 gallon main tank. If your tank is the same it will work should be the same for 98-09 2500 and 3500. EDIT****TFI will reprogram for other vehicles for $50.***** Works flawlessly, I just do not need the capacity and want to make room in my bed for a toolbox. Includes in cab monitor and everything needed to install. Located in Perdido, AL about 45 miles north of Mobile. asking $800 OBO.
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