Ignition coil tester

The ignition coil, a vital component of any vehicle's ignition system, is responsible for providing electricity to the spark plugs. When a vehicle will not start, misses often or stalls frequently, its ignition coil may need replacement....

Super Simple Ignition Coil Drivers: An ignition coil (or spark coil) is nothing more than a low frequency auto-transformer with a relatively high turns ratio. The transformer typically has only a dozen or so turns on the primary but many thousands on the secondary. It is very compa…

Homemade ignition coil tester constructed from a spark plug, syringe, wire, and an alligator clip.

Coil

Shift Light Wire Diagram

This wiring diagram will show you how to wire an ignition coil. The coil is a small piece of metal that is used in your car’s spark plug to ignite the fuel.

General Motors 7-pin HEI Ignition Control

The ignition system is employed to generate a very high voltage (from 18 to 30 thousand volts) to jump across the spark plug gap to ignite t...