Spark Plug Wires Distributor Cap Rotor

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Spark plug wires distributor cap rotor.

Line up the number one spark plug. They feature a boot at each end and an insulated conductive core to carry the current. With time a distributor cap and its contacts may wear and fail under the stress of high voltage exposure. Quicksilver 805759q3 distributor cap kit marinized v 8 engines by general motors with thunderbolt iv and v hei ignition systems.

The distributor cap connects the spark plug wires and distributor rotor. The distributor cap has contacts on the bottom for each spark plug wire. These factors cause the plastic in the cap to break down over time and the internal plug wire contacts to oxidize and deteriorate from spark arcing. The distributor cap serves as a link between the spark plug wires and distributor.

When the rotor touches those contacts it sends power through the distributor cap and spark plug wire to the spark plug. The distributor rotor and cap keep the distributor s contents separate from the engine and keep the distributor s working parts clean and tidy while supporting the incredibly high volts of energy and delivering them to the appropriate spark plugs. Find the rotor inside the distributor under the cap. The rotor contacts the appropriate point on the distributor cap to carry voltage from the coil to the spark plug wire and finally to the spark plug.

The cap and rotor contacts will wear down just like the spark plug electrodes wear down over time from the high voltage going through the electrodes. The rotor spins around like a helicopter rotor and as it spins it transfers electricity to the points of the cap. It is recommended to replace distributor cap and rotor at the same time you are having the spark plugs and spark plug wires replaced. Mercruiser thunderbolt 4 3 l v6 distributor cap rotor spark plug wires kit set.

Like all moving parts distributor caps and rotors eventually wear out from a combination of heat vibration extreme voltage cracking and carbon deposits and need to be replaced. If your distributor cap or rotor are failing you may notice misfires or your vehicle may fail to start. Accel distributor cap rotor kit filter by. 4 7 out of 5 stars 7.

Distributor cap and rotor kit ignition coil distributor distributor cap. Over time spark plug wires and boots may be damaged by heat or wear with age. The electricity then moves through the spark plugs to the engine cylinders.