Step by step guide on how to test an automotive engine's ignition coil and trigger,
this article pertains to most ignition coil systems.
Begin by watching this video and then continue down through the guide to get
more tips and information.
Start with the car on level ground, in park with the emergency brake on.
Step 1 - Identify the type of ignition system to
be tested, most cars, use a coil over plug (COP) type of system, there are several
variations but all work on the same principal.