Engine Compression & Cooling System Tools

How does an Inductive Timing Light work when setting distributor ignition timing?

Next

 Correct IncorrectA magnetic clamp around the #1 spark plug wire senses high-voltage firing current and triggers a high-speed strobe flash, visually freezing the spinning crankshaft pulley marks.

How does an Inductive Timing Light work when setting distributor ignition timing?

• It measures engine RPM with sound waves
• It acts as a flashlight for finding dropped screws
• It heats the spark plug to test spark power
• An inductive sensor around spark plug wire #1 triggers a strobe flash that visually freezes the crankshaft timing marks