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MNice

Spark plug wire resistance

3 posts in this topic

I'm not an electrician, so I'm not sure of the correct terminology, but here goes. When I set my multi meter to ohms, and the ohms switch to 20K, my plug wires read from .45 to .52.

Can anybody tell me if that's good or bad?

Thank you!!

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10,000 to 15,000 ohms per foot for standard wire as a rule of thumb. On a 20k scale you multiply your readings by 20,000 (.45 x 20,000 = 9,000)

Can anybody tell me if that's good or bad?

Year, make, model and why are you measuring spark plug wire resistance?

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01 silverado, 4.8. Wires are < 1', each cylinder has its own coil. Why I'm mearuring? I changed plugs yesterday and was just curoius and because I could cool

Thanks for your reply. You and others on this forum provide a great source of info for us do-it-your-selfers.

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