Denali Trigger Wizard Universal High Beam Trigger for Ground Switched LED Headlights [DNL.WHS.20600] Sharp Visor a larger amount of force SCHOELLER® a larger amount of force is needed as the rubber inserts provide a progressive rotation resistance instead of a linear one CHIN STRAPE: Double–D ring strap This adapter is required if you want to output a 12v high beam signal that will allow DENALI lights to change intensity with your factory high beam switch Connecting the Trigger Wizard in line between the DENALI wiring harness and the ground switched headlight circuit will flip the signal to properly activate the DENALI dimming features