Isuzu D-MAX (Pre-Aug 2020) & MU-X (Pre July 2021) W/ LED Headlight- High Beam Piggy Back AdaptorPlug And Play No Messing with Factory Wiring. If you're running LED headlights on a late model D MAX or MU X, wiring in your driving lights the old school way wont cut it. These models dont like traditional high beam tapsand neither do we. This adapter is made to suit Isuzu D MAX (Pre Aug 2020) and MU X (Pre July 2021) models with factory LEDs. It lets you plug straight into the high beam circuit without cutting, splicing, or causing wiring gremlins