Anyone know the Ohm rating for the fuel sending unit on a 64' Sport Fury!

I've done some research and the only numbers I can find conflict with each other. First set is 0 Ohms Empty and 70 Ohms Full, the other set of numbers are 80 Ohms empty and 15 Ohms full!

Trying to work out some electrical gremlins, almost have things worked out, just a few loose ends to tie down!

Thanks in advance!

 

Non functioning along with the temp gauge, working my way back along the wiring to see where the issue is and not sure of the numbers i should be getting from the sending unit. High Ohms when full or low Ohms when full??