So I need to replace my fuel sender in my 1957 D100 truck project. I will be using the original dash. Does anyone know what the resistance values for the original sender is? Is there any aftermarket pieces available? Thanks moparts!!

There is this similar post from a few days ago:

https://board.moparts.org/ubbthreads/ubbt...tml#Post1869862

That post was on a Dart. I dont have a functioning sender to try. Mine was all rotted. Still looking for the answer to the ?

There are Parts for a '57 - '60 truck here, Group 3, third page:

http://www.vintagepowerwagons.com/pdf/parts/03fuel.pdf

There is a good, detailed "Allpar" article on Sending Units here:

http://www.allpar.com/history/mopar/electrical2.html

As far as the Testing Procedure, there is also something in the Moparts Tech Section, though you have to read through it:

http://www.moparts.org/Tech/Archive/fuel/10.html

There is a YouTube video on "Mopar Fuel Sending Unit Testing":

http://www.youtube.com/watch?v=ZxsNvqyq4Ts

And this "Mopar Muscle Magazine" article on Fuel Sending Units:

http://www.hotrod.com/how-to/engine/mopp-1208-fuel-sending-unit-replacement/

Lots of great info thank you very much!!!