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Lighting Forum
Angel Eyes, DDEs, lighted rings, Clear Turn Signals, LEDs, Xenon, HID, or Bi-Xenon. If it lights up and you want to discuss it, post here!

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Old 01-23-2011, 04:22 PM   #1
kaosblue
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Location: Long Island, NY
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My Ride: 2001 330ci
Ballasts?

I just replaced my ballasts after they failed so I got new bulbs/ballasts from umnitza. After installing the new items, I'm now getting radio interference whenever I turn my lights on. Checked all my connections and everything seems right. Any suggestions on how to correct this? I have an '01 330CI business CD headunit. Thanks for any info.
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Old 01-23-2011, 04:59 PM   #2
infinite012
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Radio interference is caused by cheap/non OEM ballasts.
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Old 01-23-2011, 05:59 PM   #3
Evap
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That doesn't explain anything, infinite. I've got non-OEM ballasts, and I have absolutely no radio interference whatsover.

Kaos, did you have OEM ballasts before? Is your car coded for xenons?
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Old 01-23-2011, 06:22 PM   #4
infinite012
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It explains everything. Cheaply made ballasts will cause RF interference. Hell, some OEM ballasts cause RF interference. It's the nature of the electronics of the ballasts.
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Old 01-23-2011, 06:47 PM   #5
E462NV
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Place a wire from the back of the stereo deck to the the chassis as another ground. Let me know if it eliminates the interference or minimizes it.
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Old 01-23-2011, 09:42 PM   #6
kaosblue
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These are umnitza's P46's that have been reflashed by the dealership not to throw an error code. The radio interference has only happened with the new bulbs/ballast, also from umnitza. I'll try running another ground wire to see if I can eliminate the problems and post the results asap, thanks for the help.
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