This adaptor is required when fitting a 7” Illuminati headlight 2001-1767 or 2001-1568 headlight in a 2014 and newer Harley Davidson Street or Road King; These models original headlight use an H9 and H11 bulb. This adaptor will allow you to plug the Illuminati H4 connector to the H9 & H11 plugs from the wire harness.
