GMC 12192094 Wire Kit,Spark Plug

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Cylinder engines that have a distributor-less ignition system, whereby the ignition coils are connected directly to the spark plug wires. While in V6 engine case, there is a distributor that is located at the back of the block. The spark plug wires need regular inspection usually on the recommended intervals and also every time new plugs are fitted. It is important to look at one wire at a time when inspecting them so as not mix their order, this is crucial in proper working of an engine. To disconnect the plug wire from the spark plug, grab the rubber boot, twist slightly, and pull the wire off. Avoid pulling on the wire itself, only on the rubber boot. Inside the boot, check for corrosion, which appears as a white crusty powder. Push it back onto the spark plug ensuring it is tight enough. If it does not stay put crimp with pliers until it fits securely again removing if necessary from metal connector inside lug armor then replacing once again with secure fit. Get a clean rag and wipe along it from top to bottom to remove any dirt or grease from its entire length. While cleaning examine for burns or cracks; however do not bend or stretch it too far since the conductor could break easily therefore tampering with efficiency as well as function of engine operation. For four-cylinder engines just pull on rubber boot when detaching wire from coil pack.Remove wire from distributor located at rear of engine for V6 engines.Check for corrosion and tightness before replacing as needed either in coil pack or distributor.Proceed to check other individual spark plug wires one after another making sure they are properly connected into place either on igniton coil or distributor and to plug.If you need new spark plug wires buy ones that match your vehicle's make and model so you don't end up swapping firing order by mistake.To inspect cap remove retainer screws.Loose contacts worn out burned carbon tracks cracks are some of things that may be found inside it.Remove retainer screws and pull rotor off distributor shaft to look for cracks and carbon tracks.If you find any damage or defects, replace the cap and rotor. It is recommended that a new cap and rotor should be installed when new spark plug wires are being replaced. In this case, remove the wires from the old cap one at a time and place them on the new one in the same place so that there can't be any mix-ups of their firing order.

For V6 engines, you can disconnect the spark plug wire from the distributor at the rear of the engine. Ensure a tight fit and replace the wire at the coil pack or distributor as needed.