I am using an external gauge on my '38. I bought a universal sender '30 amp' from Chevs of the 40's and then a gauge from Auto Meter also a '30 amp'.
I wired them up and tested before installing into the tank.

They work well.


Wayne
1938 1-Ton Farm Truck
Stovebolt Gallery Forums
1989 Silverado
1996 Mustang GT convertible
When I die, I hope she doesn't sell everything for what I told her I paid for it!