PnP Radar Detector Harness * Only works on vehicle with auto dimming mirrors . Will not work on manual dimming mirrors equipped with the flip tab on bottom of mirror . Auto dimming mirror does not have flip tab on bottom of mirror. * To install you remove plastic trim around mirror connection then unplug mirror harness and install this harness inline between the 2 connectors. * Reinstall plastic trim and plug the power plug into your radar detector and mount detector where you wish.