# Unexplained light out

**URL:** <https://community.cartalk.com/t/unexplained-light-out/60020>\
**Category:** Maintenance/Repairs\
**Tags:** xc90, volvo\
**Created:** [January 16, 2011, 3:56pm UTC](https://community.cartalk.com/t/unexplained-light-out/60020 "2011-01-16T15:56:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![released](https://avatars.discourse-cdn.com/v4/letter/r/ee59a6/32.png) [@released](https://community.cartalk.com/u/released)\
**Post date:** [January 16, 2011, 3:56pm UTC](https://community.cartalk.com/t/unexplained-light-out/60020/1 "2011-01-16T15:56:06Z")

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left headlight is out replaced new xenon bulb been told it may be the headlight assembly or ignitor light worked initally fluttered and then went out

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**Author:** ![orangevega](https://avatars.discourse-cdn.com/v4/letter/o/9fc29f/32.png) [@orangevega](https://community.cartalk.com/u/orangevega)\
**Post date:** [January 16, 2011, 4:01pm UTC](https://community.cartalk.com/t/unexplained-light-out/60020/2 "2011-01-16T16:01:49Z")

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Check to see if power is being supplied to the ballast (igniter). If 12V is available, then your ballast is faulty. You may just have a loose connection between the power and ballast or bulb and ballast.

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**Author:** ![released](https://avatars.discourse-cdn.com/v4/letter/r/ee59a6/32.png) [@released](https://community.cartalk.com/u/released)\
**Post date:** [January 16, 2011, 6:23pm UTC](https://community.cartalk.com/t/unexplained-light-out/60020/3 "2011-01-16T18:23:36Z")

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thank you