Just completed replacing our four #9004 halogen headlight lamps with Super Bright #9004-HLV5 LED lights. They look to be twice as bright
and don't cause the dash mounted voltmeter to indicate in the red when the headlights are on. Our 1991 #277 coach has Ford truck headlights and turn signal housings.

In order to mount the new LED lights, you must trim the plastic headlamp retaining to a maximum width of 0.9125". Remember to trim the back of the retaining ring. The narrower ring allows

There have been numerous posts on this forum about converting to LED headlights. It has been pointed out that it's not as simple as replacing your halogen bulb with one of the many LED bulbs. The halogen reflectors are not suited for the LED bulbs, resulting in bad and possibly dangerous headlights. Holly has come out with a new line of LED headlights where the headlight housing is designed for LED bulbs. I was hoping to find that they were manufactured here in the United States, but found no ev