The first step in replacing ignition coils is determining the type., Depositphotos Here’s How To Diagnose and Test An Ignition Coil Let’s do this!

If you suspect a faulty ignition coil, you’ll first need to test it. “Testing ignition coils is a straightforward and fairly easy DIY,” says Aaron Turpen, an automotive expert at Car Talk.

Here’s the ignition module in my hand, and the heat sink. Note that this unit apparently had heat sink compound applied at the factory (unless someone did the maintenance, which I highly doubt).I’ve ...

We’re going to take an already terrific electronic ignition system and show you how to get even more from it via a PerTronix ignition module, cap and integral ignition coil.