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The rotor arm is an essential part of the ignition system and without this part your vehicle wouldn’t be able to function correctly.  When maintaining and servicing your vehicle ensure this is always checked


The rotor arm works hand in hand with the distributor cap. When a  voltage is sent  from the coil  the rotor arm is responsible for distributing this into the appropriate spark plugs. The very function of the rotor is to make an arc with the spark plugs and the cylinders in order to transmit an adequate amount of voltage. By doing this the engine will be supplied with a current that is necessary to ignite the fuel and air in order to ensure a successful ignition occurs and starts the vehicle.


The rotor itself can be found above the central shaft where it connects to the central electrode through the use of a metal spring. In some cases,there are  rotors that utilize the spring-loaded brush that can be found above the distributor cap. Whenever a failure in ignition occurs, the rotor must be checked initially. If replacement is necessary, then, a high quality rotor arm is available for purchasing from Buycarspares.

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