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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > Xenon ballast voltage



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      12-07-2014, 03:26 PM   #1
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Xenon ballast voltage

Condensation got in the headlight and they no longer work.

The ballast is receiving 12v but on your output D1S wire pin 3 and 4 have 6v each. Is this normal?
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      12-07-2014, 05:28 PM   #2
amullo
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Are you meassuring in ac or dc. Voltage should be 85v for 35w ballasts i believe
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      12-07-2014, 07:25 PM   #3
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Quote:
Originally Posted by amullo View Post
Are you meassuring in ac or dc. Voltage should be 85v for 35w ballasts i believe
DC. The cable going from the headlight to ballast is 12v. The harness going from the ballast to bulb has 4 pins. 2 are blank, the other 2 show 6V each, which I will assume is broken?
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