What type of engine wires do I need to do a tune up?

2001 CADILLAC DEVILLE
120,000 MILES • 4.6L • V8 • AUTOMATIC
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VERONICA BUTTON
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What kind of wires or coil do I need for a tune up?
Jun 3, 2022 at 2:56 PM
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SQM
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Hello,

This vehicle has two coil packs and not wires.
A typical tune will only need to replace the spark plugs. Of course, if the coil pack is failing you will have to replace that as well, but it is not a maintenance item.

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

I have attached a diagram below for your reference.

Let me know of any questions.
Thank you.
Jun 3, 2022 at 3:45 PM