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2003 Toyota 4Runner

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HID Projector Retrofit: 2003 Toyota 4Runner (Part 2)

This HID projector retrofit write-up pertains to the ’03-05 model years of the stock 4th generation Toyota 4Runner. These stock halogen headlights work adequately for lighting up the front of the vehicle, but there is much more left to be desired. This is Part 2, which covers the installation of the wiring harness, ballasts, and HID bulbs, as well as the final calibration of the whole setup.