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[/img]I dont know if this would work on your motorhome, but on my gmc yukon I have a carr light wing (it is a license plate mounting bracket with ears on either side to mount lights) with 6" lights mounted on it. I have them wired through a relay to switch on with high beam. I got the lights used, but I believe they are from harbor frieght. I retrofitted yellow HID bulbs with 55 watt ballasts into them. The yellow HID light provides very good contrast in clear weather, and cut through rain like nothing else. In the past I have used KC 6" 150 watt sealed beam daylighters that also work very well, but they do not make the sealed beam anymore. The 130 watt KC lights do not work quite as well, but are good.