It works with both MSD and factory ignition systems. The Blaster TFI coil can output 44,000 volts if necessary, virtually guaranteeing ignition in even the most inhospitable combustion chambers.

But, if you don’t have a multimeter, here’s another way to test an ignition coil, with an ignition tester system. It’s inexpensive and works for any small engine.

It works with both MSD and factory ignition systems. The Blaster TFI coil can output 44,000 volts if necessary, virtually guaranteeing ignition in even the most inhospitable combustion chambers.