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What is a spark plug cable?

What is a spark plug cable?

Spark plug wires, also known as ignition cables, are a key part of the ignition system. Car engines that have a distributor or remote coil pack have spark plug wires that transfer the spark from the coil to the spark plug.

What kind of spark plug wire do I Need?

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How can I check the spark plug wires?

Inspecting the Spark Plug Wires with the Engine Off. Look for physical damage to the wires or boots, such as cuts and scorch marks. Use a flashlight or an area with good lighting to perform a visual inspection of the spark plug wires and the cap on top of them, called the boot.

How are high tension spark plugs referred to?

Each lead contains only one wire, as the current does not return through the same lead, but through the earthed/grounded engine which is connected to the opposite battery terminal (negative terminal on modern engines). High tension may also be referred to as HT. A set of spark plug wires.

Where does the spark plug go in a spark plug?

At the top of the spark plug sits the connector, or terminal. This is where the spark plug wire attaches. The terminal connects inside the plug to the copper core of the center electrode, which is surrounded by insulation. Next comes the hex head.

How are spark plug wires connected in the correct order?

However, the points and steps are always the same. Connect the wires according to the firing order on the distributor. Since the first spark plug is already connected, turn the distribution rotor once. If it lands on terminal 3, connect the terminal with the third cylinder.

How do you crimp a spark plug wire?

Slide the wire and terminal into your crimp tool and squeeze firmly until the terminal tabs are folded over securely crimped to the spark plug wire. Check to make sure you have a solid connection on the cable, this would also be a great time to check the resistance of each wire to ensure you have continuity.

What should I do if my spark plug is not connected?

If the engine of your vehicle backfires, turn it off immediately. After that, check if the spark plug wires are connected properly or not. You should always have your repair manual with you. That is one of the most important guides you can get to complete these procedures.

When do you need to check spark plug wires?

Whether you do a complete tune-up or only change the spark plugs, spark plug wires (also known as ignition cables) should always be checked first. This is necessary due to the aging of the spark plug wires from exposure to extreme temperatures (hot and cold), engine chemicals (oil, grease, coolant, etc.) and electrical stresses.

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Ruth Doyle