Testing an ignition coil with no multimeter requires a special method. Ignition coils are important elements of an engine’s ignition system, answerable for changing the automobile’s battery voltage into excessive voltage required to create a spark within the spark plugs. A defective ignition coil can result in numerous engine points, together with misfires, diminished energy, and issue beginning. Whereas a multimeter is a generally used instrument for testing ignition coils, it’s attainable to evaluate their performance with out one.
One methodology includes utilizing a spark plug tester. A spark plug tester is an easy instrument that connects between the ignition coil and the spark plug. When the engine is cranked, the spark plug tester will point out if the ignition coil is producing a spark. If no spark is current, it may point out a defective ignition coil or different points within the ignition system.