Originally Posted by kingdog63
Hey guys I have an 98 2500 12v and the fuel gage in the truck isnt working??? when the power is off it reads empty, when the powers is on the gage pins full???? but as I drive it doesn't move....any ideas where to look the truck only has 106k
Probably the sending unit has failed, it's a high failure rate part on these trucks and begin to show in the upper years/miles.
It's possible it's the guage in the instrument cluster but I highly doubt it.