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Old 02-03-2003, 08:46 AM   #5
nhluhr
Scooby Guru
 
Member#: 7327
Join Date: Jun 2001
Chapter/Region: NWIC
Location: Seattle, WA
Vehicle:
2008 Mazdaspeed3
2006 Wrangler Sport

Default Re: My Aftermarket HID ballast failed. HELP

Quote:
Originally posted by Dealer Xing
I have had my FOCUZ HID H4 kit installed in my car for a few months. Today one of the lights wouldn't come on, so I swapped the bulbs and the relays from one side to the other, no go. The only possibility left is the Phillips ballast, which I haven't swapped because they are taped under the engine bay. Is there any way I can tell if the Ballast is no good? When I turn on the light there's a clicking noise that lasts for a second at the supposedly bad ballast.
I can tell you one thing that might have caused it to die - daytime running light circuit. If you have daytime running lights on your car, what happens is the module sends a lower voltage to the headlight assembly and the HID ballast would try to ramp that voltage up to the HID's operating voltage. It would burn it out in a rather untimely manner.

If you don't have DRL's on your car, nevermind.
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