Denali H4 To OEM Adapter For Harley Touring The Denali OEM Harley Davidson LED to H4 wiring adapter allows for easy install on a Denali LED headlight module into any HD motorcycle originally equipped with an LED headlight. With needing no splicing of wires, installation is an ease and your factory harness stays intact. Features: Permits plug and play installation of the Denali M5 or M7 headlight module Compatible with motorcycles originally equipped with the Harley Davidson LED headlight Makes for a simple & super clean installation No need to modify the factory wire harness