Yes. Also called a ballast resistor. It is commonly used in 12 Volt conversions. It reduces the running voltage
to about 9 volts to protect the points. You should also have a bypass for starting on 12 volts if it is done correctly.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine