On some sensitive vehicles, where the ULTRA, Sportline, or ATOM LEDs are not accepted by the vehicle's computer system, and even the Smartbox will not fix the issue, LUMENS HPL offers harness & resistors solutions that will fix the issue. Here you will find installation instructions, guides, and other usefull information when installing ULTRA, Sportline, ATOM LEDs. If you should have additional questions or concerns that is not covered in this area, please email us.

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