 | Home > Puma (Tdci) > 2015 Defender 110 Headlight Issue |
 
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2416   
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Likely the indicator/dipped switch is gone. If that is the case, fit a relay. Puma 110" SW
............................................................. Earth first. Other planets later |
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17th Aug 2023 11:10pm |
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| bear100 Member Since: 22 Mar 2010 Location: South Wales Posts: 1917  
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The stalk contacts are prone to failure, there is a lot of power flowing through contacts especially the head lights. There are looms available to help like Boomslang for eg but may be to late in your case?
Optimill do a revised complete stalk 
i preums you have checked for voltage at the headlight plug? 2016 Range Rover Autobiography 4.4 TDV8 2010 110 XS Utility 2.4TDCI 2010 Range Rover Sport TDV8 (gone) 2007 Discovery HSE TDV6 (gone) 1993 110 csw 200 tdi (gone) 1994 90 HT 300 tdi (gone) 1994 discovery 300tdi (gone) 90 hybrid 3.5 v8 (gone) Range rover bobtail 3.5 v8 (gone) |
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18th Aug 2023 6:24am |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Thanks for the replies, no I haven’t check for power. Is this a case of using a multimeter and putting each prong on each piece of metal in the plug. I guess if it’s zero it’s the short stalk which is lower down than the indicator/main beam stalk.
Have I got the right one to change? |
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18th Aug 2023 6:48am |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Sorry now read reply from MK and it’s the larger stalk which needs replacing?
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18th Aug 2023 6:49am |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Would the correct replacement part be:
1.https://www.jgs4x4.co.uk/defender-indicator-horn-headlight-dip-switch-td5-1998/ OR 2.https://www.jgs4x4.co.uk/defender-main-master-light-switch-td5-td4-puma/ |
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18th Aug 2023 7:48am |
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| neon1991 Member Since: 26 Mar 2018 Location: Colchester Posts: 75  
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never really had the larger stalk fail in all of my time driving defenders (25years) the problem seems to be the contacts melt out in the little switch on the side of the column. Like others have said, theres a lot if amps running through that switch and it runs hot. the brass contacts heat up and sink into the plastic that surrounds them. take the switch out and have a look. you'll see one of the contacts is probably sunk and surrounds my melted plastic.
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18th Aug 2023 8:26am |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Update: fitted a replacement (smaller) stalk for side light and head lights. Issue not resolved.
Any body else encountered the same problem.... |
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25th Aug 2023 3:15pm |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
In the fuse box is there a relay for the headlights. Side lights work, head lights don't but I can flash the main beam.
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25th Aug 2023 3:42pm |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Could it be the RH relay in the row of 3?
 Click image to enlarge |
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25th Aug 2023 4:02pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605 
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Working through logically.
The off/side/head switch (short switch) is working OK, as when you push the long stalk away, you get main beam. So the output from the short switch in the headlight position, and the input into the long stalk for headlight supply is OK. So the output from the short switch is reaching the input of the long switch (via the headlamp supply relay and the ignition cut off relay). You have output from the long stalk in main beam position, but not in dip position. This suggests, as MK said in the first reply, that the long stalk switch has failed. Or BOTH fuse 15 and fuse 16 under the steering wheel (right and left dipped beam fuses respectively) have failed [unlikely], or a loom wire broken or cut [very very unlikely]. You can test this by removing the 8 pin connector plug from the stalk and switch on the short stalk to headlights. Then on the long stalk loom plug carefully bridge from the blue (headlamp supply input wire) pin 1 to blue/red (dip output wire) pin 6. Use a piece of wire or paperclip. You should get dipped headlights on - if you do the long switch has failed. 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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25th Aug 2023 4:22pm |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Thanks for your help, it is the horn indicator and main beam long stalk.
However I ended up the wrong part, mine is grey not the blue in the pics. But the blue allows the headlights to work. Click image to enlarge Click image to enlarge |
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26th Aug 2023 3:35pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605
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I think you can swap the switch across from one to the other with a bit of disassembly.
It’s only the grey/blue cancelling ring which is different. The grey one is compatible with the 2015MY steering sensor. 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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26th Aug 2023 4:00pm |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
All done and repaired with a complete replacement unit. Thanks.
Old one will be up for sale because it has a use … |
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31st Aug 2023 10:33am |
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| roche1800 Member Since: 07 Apr 2020 Location: derbyshire Posts: 330 |
Martin, all back together and there is this light remaining on, any ideas as it wasn’t there before ….🤔
Click image to enlarge |
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31st Aug 2023 1:44pm |
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