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Sunday, October 10, 2010

HOW TO MAKE H4 HIGH BEAM AND LOW BEAM WORK PROBABLY?

If hi/lo beam doesn't work after installing the light bulb, it is a common problem associated with polarity from the relay harness connector. Each vehicle manufactures uses a different configuration for Ground/ Low / High beam. You can easily swap the pins on the relay harness connector.

1. Get access behind the headlight or remove your headlight and remove the H4 bulb as shown below. Install the HID bulb supplied without touching the glass. If you do you must remove with alcohol.



2. Mount the ballast in a good location. Run any wires through any covers, if any, of your headlights. Connect the bulb wires labeled above to the ballast wires. Connect the dangling red/black wires to your cars appropiate terminal, as shown above.