Testing an Ignition Module on a Furnace?

Answer A gas furnace that will not light consistently, or at all, may have a bad ignition module inside. Modern gas furnaces use an igniter that glows orange when sufficiently hot to light the gas. The ga... Read More »

Top Q&A For: Testing an Ignition Module on a Furnace

What is an ignition module?

The ignition module is a vital component of any gasoline engine's electrical system. Without these controllers, spark plug ignition could not be timed to engine position, and the car would simply ... Read More »

Ignition Module Symptoms?

A vehicle ignition system includes the spark plugs, the ignition coil and the ignition module, which is also called the ignition control module. All of the parts work in conjunction with the contro... Read More »

How to Change an Ignition Module?

Ignition control modules have been used for many years. They differ in location but are very similar in function. The ignition control module is located under the coils. There is one coil for every... Read More »

What is the function of an ignition module?

Between the advent of distributor-less ignitions and the now-antiquated points-style distributors lay the ignition module. This device forms the crucial link between old-school mechanical distribu... Read More »