Ever wondered which ignition coil your antique tractor needs? Or why some coils require an external resistor and others don't?

In this week's episode of the Farm Tractor Repair Podcast, we're talking all about ignition coils on antique tractors!

Dan explains the differences between 6-volt and 12-volt coils, how internal and external resistors work, and how to determine which coil and resistor combination your tractor needs.

We'll also discuss common coil-related problems, what can cause a coil to burn out, and some important things to keep in mind when troubleshooting your tractor's ignition system.

Whether you're working on a 6-volt tractor, converting to 12 volts, or simply trying to understand how your ignition system works, this episode will help you make sense of those mysterious little black coils.