Lucas Ballast Resistors control the current in the ignition system once the vehicle has started, prolonging the lifespan of the ignition components.
Designed with over 50 years’ experience in ignition systems
Reliable and long last service life
Tested to meet or exceed OE Standards
Limits the amount of current in the ignition system once the vehicle is started. Allows 12v at cranking/start-up and then limits to between 6-9v when running to prolong the life of the ignition system.