Can Spark Plug Wires Touch Each Other. Then, I read crossing can produce "induction firing"

Then, I read crossing can produce "induction firing", which can mess up spark timing to a plug. When wires are too close together, they can interfere with each other’s electromagnetic fields. Sep 18, 2016 · I heard spark plug wires (SPW) souyld cross at some point from distributor cap to plug. Its primary function is to transfer high-voltage electricity from the ignition coil to the spark plug, which then ignites the fuel-air mixture in the engine. The spark plug wires are made of a material that has low resistance and is sturdy enough to withstand the high voltage of the ignition system and the hard conditions found under the hood. Dec 4, 2025 · How to Install New Spark Plug Wires: A Step-by-Step Guide Replacing your spark plug wires is a straightforward maintenance task that can significantly improve your engine’s performance. Sep 10, 2021 · Veteran engine builder Wayne Scraba gives you a wealth of ignition wire building and routing tips for optimal spark delivery. If you have the high-resistance wires, there is a chance your simple tester might not register continuity. ” Spark plug wires should never touch each other, as this can lead to a number of problems. I didn’t think much about it at the time other than to never touch them again when the engine is running.

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