 | Home > Technical > headlight leveller posessed ! |
 
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| Canberra Man Member Since: 31 Oct 2011 Location: Staffordshire Posts: 15   
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I've got exactly the same problem. They seem to hunt rather than settle in the desired position, you can hear the motors, sometime left, sometime right even though the switch has not been adjusted. I've replaced the switch, still the same.
I've replaced one of the motors, put it all back together and worked fine. A couple of weeks later sitting at traffic lights I could see the new motor moving the light up and down. I took the headlight out in case I had over tightened the securing screws, re-fitted worked fine..........for a few days. In desperation (and to get through the MOT) I have disconnected the motors and set the headlights manually. I'm now thinking it could be a poor connection somewhere from the resistor switch to the motors, I'm not sure whether it is worth the effort of trying to track it down |
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29th Jan 2015 1:08pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16857 
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As far as I know there's no legal requirement for headlight levellers of this type, personally I would be tempted to remove them and go with the commercial spec manual adjustment.
My DC doesn't have levellers, as a 2007 N1 type-approved vehicle it left the factory with dim-dip instead. Needless to say one of the first improvements I made was to disable the dim-dip. |
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29th Jan 2015 1:50pm |
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| Fatboy Slim Member Since: 04 Feb 2008 Location: Bridgend Posts: 1006 
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Wait until they are at the correct level and disconnect the motors (that's my answer to it anyway
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29th Jan 2015 5:27pm |
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| theorangebandit Member Since: 03 Jun 2013 Location: Stowmarket Posts: 862 |
They are unplugged currently but they are a feature I use when towing so id like yo resolve. Both of the levellers are doing the same thing at the same time. Leading me to believe theirs a relay in the system
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29th Jan 2015 8:05pm |
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| grafty99 Member Since: 15 Aug 2012 Location: North Devon Posts: 4784 
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The motors are controlled by the switch which has various resistance depending on the number selected. If there is a poor connection in the wiring loom or inside the switch the resistance will vary, causing the motors to move without input.
I would be looking at the connectors to the levelling motors to check they're clean and checking the resistance is constant with the dash switch in its different positions. I would suggest if they move simultaneously then it might well be the switch  2002 90 Td5 Station Wagon
1990 Vogue SE Triumph Tiger Explorer 1200 Td5 90 Thread http://www.defender2.net/forum/topic50767.html Tdi 110 Thread https://www.defender2.net/forum/topic69562.html RRC Thread http://www.defender2.net/forum/topic54492.html Instagram http://www.instagram.com/george_grafton |
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29th Jan 2015 9:19pm |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971 
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My 2011 Poverty Spec HT has them, it's about the only feature it does have
And they even work! At the moment...  Click image to enlarge |
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29th Jan 2015 10:35pm |
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| theorangebandit Member Since: 03 Jun 2013 Location: Stowmarket Posts: 862 |
Thank you for the diagram it has made diagnoses much simpler. I'm certain the fault lies with the switch now.
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30th Jan 2015 5:29pm |
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| martinfiattech Member Since: 13 Nov 2013 Location: leicester Posts: 422 
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Don`t know if it`s any help but, when I used to work for Vauxhall it was a common fault on mk3 cavalier`s
The connector pins in the multy plugs were`ent tight enough. So when you touched the plug the motors would power up. All we did was tighten the connector terminals and they where fine. Excuse the spelling I`am better with spanners and wires. |
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30th Jan 2015 9:14pm |
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