Hi, new member here.
I'm having some problems with my '49 Chevy 1/2 ton. To be succinct, it don't too good. Still running on original 6v system, starter was rebuilt properly and converted to high torque, cables were made custom out of heavy guage wire, starter and battery have been properly grounded, battery is an Optima and starts my '54 2 ton flatbed no problem.
-It will only start when battery has been on the charger and is at 100%
-If I turn it off after driving for some time and immediately try to restart it, no joy. Starter makes maybe 1 revolution and quits
-I tried a 12v battery jumper on the advice of my mechanic, no dice
Tonight I took some jumper cables and made two new grounds, one from the battery terminal to the frame and one from the ground on the underside of the starter to a different spot on the frame. There was no difference in cranking at all and the truck did not start. I did this when everything was cold and the battery was at 100%.
Any help woukd be greatly appreciated!
