Alain, I Have been running one of those & works great. Only thing is it requires 12 volts, your rig is 6 volts unless it has been converted over to 12 volts at some time.
BC 1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc 1949 GMC 250 project in waiting 1960 C60 pasture art Retired GM dealer tech. 1980 - 2022