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How do I install the voltage regulator and the ballast system together?Updated 5 months ago

Each headlight unit consist of a ballast unit to drive the necessary power for the headlight. All low beam kits also have a voltage regulator unit to compensate for DRL systems, extended periods of use, ECU voltage checks etc. They also aid in preventing flickering. High beam units do not need the additional voltage regulator units.

The custom F150LEDs.coms voltage control unit look like this;

The image below shows how these are installed with your headlights.

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