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Old 12-11-2012, 05:57 AM   #1
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sallylillian's Avatar
Country Coach Owners Club
Join Date: Sep 2011
Posts: 133
Headlamp high beam reversed

You will recall that I had some issues with my Xenon headlamp upgrade and adjustment and the mechanic found that the upgraded lamps had been installed upside down, physically. He corrected this however I now have the high beam dash light on when the lamps are dipped!!! I do not understand how he missed this. I seem to remember reading on this forum I think that some one else had the same issue when upgrading to Xenons and that it was not a simple back to front wiring problem??
I have searched to archive but no luck. Anyone remember about this??
CC Allure 2008

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Old 12-11-2012, 09:39 AM   #2
Join Date: Jun 2010
Posts: 61
If your headlights are working correctly now and you have both highbeams on at the same time, then you problem lies in the wiring at the headlights. Many conversion kits come with an adapter pigtail that allows you to plug your new headlights into your factory wiring harness. If yours was a direct plug in, the problem remains the same.
You have the wires for the lowbeam at the lights connected to the highbeam circuit of the coach. If your new bulbs are those with the high/low beams in a single bulb, there will be three wires at each connector, one for high beam (which also turns on the indicator on the dash) one for low beam, and one for a ground. The ground is usually a black wire, and will not need to be moved. You need to swap the other two wires around, this can be done either at the factory plug or the pigtail supplied with the conversion. It is probably better to do it at the pigtail and retain the factory wiring stock. If yours is a direct plug then someone has already swapped them once before. Depending on the type of connector you will need a special tool to depress the locking tab integral with the metal connector. You usually insert the tool from the back of the plastic housing Some though are inserted from the front (GM metripac type)until the tab is depressed and then pull the wire with the connector attached out. Bend the tab back to its original position before inserting the wire into the correct position. Hope this helps.
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