GM 12192466 Wire Asm,Spark Plug #2 Cyl (36"Long)

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To inspect the spark plug wires:Disconnect the plug wire from the spark plug by grabbing the rubber boot, twisting slightly, and pulling the wire off. Avoid pulling on the wire itself, only on the rubber boot.Check inside the boot for corrosion, which looks like a white crusty powder.Push the wire and boot back onto the end of the spark plug, ensuring a tight fit. If it's not secure, use pliers to crimp the metal connector inside the boot until it fits securely on the plug.Clean the entire length of the wire with a clean rag to remove dirt and grease.Check for burns, cracks, or other damage without bending the wire excessively or pulling it lengthwise to prevent conductor breakage.

When replacing spark plug wires, it's essential to purchase a set specific to your engine model and replace them one at a time to avoid mix-ups in the firing order.

Push the wire and boot back onto the spark plug, ensuring a tight fit. If necessary, use pliers to crimp the metal connector inside the boot.

While cleaning spark plug wires, use a clean rag to wipe the entire length of the wire, removing any dirt and grease. Check for burns, cracks, and other damage during the cleaning process. Be careful not to excessively bend or pull the wire lengthwise to prevent conductor breakage.