Aftermarket switches that stay dark at night look cheap and are hard to find on a dark trail. This plug-and-play harness illuminates your added switches on a 3rd Gen Tacoma the right way, borrowing the factory illumination circuit through an existing connector so there is no splicing, no T-taps, and no vampire clips cutting into thin factory wires. Fitment: 2016-2023 Toyota Tacoma (3rd Gen) only. How it works Plugs into the back of a factory connector and borrows its illumination circuit Includes an extra green connector that replaces the one on CH4x4, Cali Raised, AOB, and MIC-Tuning Toyota-style switches, so there is no guesswork Your new switches light up with the rest of the dash and dim with the factory dimmer The left-of-steering-wheel harness illuminates one aftermarket switch without splicing Specifications Type Plug-and-play switch illumination harness Options Daisy chain, illumination, or combo kits Dimmable Yes, via factory dash dimmer Fitment 3rd Gen Toyota Tacoma only SKU 39506469421098 / 39506469453866 / 39506469486634 / 39506469519402