Fuel sending unit or leval sensor?

[rmallen30]

Alright i have a 03 3500 cab and chasis truck. Factory dual fuel tanks put fuel in it the morn. "both tanks" had 1/4 tank and put $40 in and got in after and fuel light was on and gauge read e ? I do fuel up w/ truck running. If it is sending unit are there 2 ? Or what w/ the dual tank set up i have not got a chance to look at yet, any input w/be good thanks

 

[rmallen30]

Anyone?

 

[ChevyTruckGuy78]

i got 2 trucks that do the same thing one has duel and is my diesel the other is an 8.1 with the dual tanks there both reading e and light on i once read about a site that sells aftermarket level switches that are like 45 and are better then the stock ones but lost teh site along the way

 

[Cbum]

The 06 C&C that I am stripping has a sending unit on the front tank and a transfer pump that fills the front from the rear I haven't taken the flat bed off yet so I don't know if the rear has one but something controls the the tranfer pump so I am under the impression the rear has some sort of sending unit as well.

 

[ChevyTruckGuy78]

from what i see on mine its a mason dump the back tank pumps fuel into the front tank just how the fittings look

 

[moss]

its the level senser. there is a part number floating around on a forum some where. its not listed at the dealer, but if you have the pn, it should be fine