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Headlamp diagnosis
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chrisisbd   
Sat Nov 07 2020, 03:14pm
Joined: Jul 23 2015
Member No: #2258
Location: Woodbridge, Suffolk
 One of the headlamps on our 2010 2.2 C6 is out.

I know that a previous failure was due to the electronics rather than the bulb, is there any easy way to tell what has died?

Also, I can't quite remember, is it possible to change lamp and/or driver without removing the headlamp unit. It's the LH one with the battery behind it. Removing the rubber cap on the rear of the unit is no big problem but I can't remember if it's then possible to do anything useful!

Both main beam and dipped beam are out.
chrisisbd   
Sun Nov 08 2020, 09:24am
Joined: Jul 23 2015
Member No: #2258
Location: Woodbridge, Suffolk
 Oops, the battery isn't behind it of course, just the "jump start" terminal, the battery is in the boot.
MGmike   
Sun Nov 08 2020, 11:05am
Joined: May 21 2017
Member No: #3151
Location: South Queensferry
 you did have me scratching my head a little with that one

I think you'll be able to change the lamp but the driver is mounted to the bottom of the headlamp unit and you will need to remove it to change the driver.
chrisisbd   
Mon Nov 09 2020, 10:03am
Joined: Jul 23 2015
Member No: #2258
Location: Woodbridge, Suffolk
 Thanks, is there any easy way to decide whether it's the driver or the lamp that has failed?
Dan595   
Mon Nov 09 2020, 10:08am
Joined: Nov 26 2010
Member No: #299
Location: Wiltshire
 I would suggest changing the bulb and seeing what happens. It is possible to replace both bulbs without dismantling (other than the rubber cover) with dexterity and a few scraped knuckles. I forget which side was more difficult - there is a good thread on this site somewhere with very useful pictures.
chrisisbd   
Tue Dec 08 2020, 01:22pm
Joined: Jul 23 2015
Member No: #2258
Location: Woodbridge, Suffolk
 Yes, that's all it was, a failed bulb. Hurrah!

Thanks all.
Norman   
Thu Dec 10 2020, 10:24am
Joined: Feb 06 2011
Member No: #364
Location: Huddersfield and Torremolinos Spain
 What bulb did you replace it with?
 

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