Headlights have a mind of their own

lesk · Feb 12th, 2012, 11:21

Hi guys, my drivers side headlight has decided to randomly turn itself on, irrespective of whether the key is in the ignition or not. Car had the CEM and REM replaced last year and had a new battery last week. The only way to turn it off is to disconnect the battery altogether.
Does anyone have any ideas.
Thanks

Clan · Feb 12th, 2012, 11:31

My first thought is the CEM , did you have the waterproofing mod done to it at the same time it was replaced ? if yours is a 2005 or 2006 ...

lesk · Feb 12th, 2012, 11:34

Yep,seem to remember paying either an extra £8 or £ 18 for the mod.

Clan · Feb 12th, 2012, 11:57

The thing is ... The Dip headlamps are fed directly by the CEM the wires dont go anywhere else . Did you have a brand new CEM programmed by the dealer , and any corroded multi-plugs on top replaced ? Hopefully you have a 12 month warranty ..

lesk · Feb 12th, 2012, 22:05

Had a brand new CEM fitted and programmed by Bridgend Volvo specialists, sometime last Easter. They even popped it up to Keith Price to check all the wiring. Hopefully they'll sort it under warranty.

Feb 12th, 2012, 11:21	#1
lesk Member Last Online: May 4th, 2013 19:03 Join Date: Oct 2002 Location: newport	Headlights have a mind of their own Hi guys, my drivers side headlight has decided to randomly turn itself on, irrespective of whether the key is in the ignition or not. Car had the CEM and REM replaced last year and had a new battery last week. The only way to turn it off is to disconnect the battery altogether. Does anyone have any ideas. Thanks

Feb 12th, 2012, 11:31	#2
Clan Experienced Member Last Online: Yesterday 22:51 Join Date: Jun 2007 Location: L/H side	My first thought is the CEM , did you have the waterproofing mod done to it at the same time it was replaced ? if yours is a 2005 or 2006 ... __________________ My comments are only based on my opinions and vast experience .

Feb 12th, 2012, 11:57	#4
Clan Experienced Member Last Online: Yesterday 22:51 Join Date: Jun 2007 Location: L/H side	The thing is ... The Dip headlamps are fed directly by the CEM the wires dont go anywhere else . Did you have a brand new CEM programmed by the dealer , and any corroded multi-plugs on top replaced ? Hopefully you have a 12 month warranty .. __________________ My comments are only based on my opinions and vast experience .

Feb 12th, 2012, 11:34	#3
lesk Member Last Online: May 4th, 2013 19:03 Join Date: Oct 2002 Location: newport	Yep,seem to remember paying either an extra £8 or £ 18 for the mod.

Feb 12th, 2012, 22:05	#5
lesk Member Last Online: May 4th, 2013 19:03 Join Date: Oct 2002 Location: newport	Had a brand new CEM fitted and programmed by Bridgend Volvo specialists, sometime last Easter. They even popped it up to Keith Price to check all the wiring. Hopefully they'll sort it under warranty.

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