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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
Spotlight problem
Hopefully no problem, recently moved to the UK from Canada and was finally able to fulfill a childhood dream of owning a defender. Picked up a tomb raider with factory spotlights on the roof rack. I'm not sure which switch operates them. I'm sure I've flipped them all but not sure if I'm missing something. There is nothing in the manual.
Where do I start to diagnose the problem? I understand the switches are prone to failure, wiring is getting old, I'm not even sure about replacing the lights.
First thing is making sure that I am actually flipping the right switch!! Lol
Any help would be great greatly appreciated
Thanks
Post #856771 18th Sep 2020 11:51pm
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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3605

United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
Start by testing at the light, as in are you getting voltage there when the switch is flicked. If you are it’s an earth issue, if not it’s a supply issue. You’ve then split the circuit in half. If it’s on the supply, go back to the switch once you locate it and check for supply to it and from it. If you are not getting anything from it when the switch is flipped then it’s the switch. If you are the it’s the wiring to the lamps.

You have checked the bulbs are ok?!
Post #856776 19th Sep 2020 4:51am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5408

2006 Defender 110 Td5 USW Zermatt Silver
I think

You will have an auxiliary light switch on the dash above the stereo. Press this in and then that allows the lights to come on when you use the main beam. They normally fit the relay in the battery box.
Post #856785 19th Sep 2020 6:36am
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
So no switch on the dash above the stereo but I do have a switch on the right side of the steering column that has a light and 2 on it. It doesn't seem to do anything so I'll assume that's it. I will check the bulbs and start the diagnostics.
Thanks for the help!
Post #856862 19th Sep 2020 10:42am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16812

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I believe that that was the correct location for the switch (it's also where I fitted a three-way switch for my lightbar on my Puma), so should be the one. Remember that the lights should only operate if the headlights are on main beam, so in addition to the switch somewhere there will be a relay and probably a fuse.
Post #856897 19th Sep 2020 2:26pm
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
Thanks for confirming, I will find the relay and fuse before assuming the worst!
Post #856910 19th Sep 2020 3:17pm
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wyvern



Member Since: 13 Dec 2009
Location: Cornwall
Posts: 2066

United Kingdom 2012 Defender 110 Puma 2.2 XS CSW Firenze Red
As mentioned above -
turn on the main beam first, then try the switch with the ‘2’ on it with the main beam lights on
They are aux lights so can only work with the main beam
Thumbs Up Poppy - TDCI (Puma) 110XS 2.2 - Camper conversion - see the build here - https://www.defender2.net/forum/topic56530.html
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Post #856951 19th Sep 2020 7:55pm
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey

Click image to enlarge

So there is an issue, I picked up a tester today and will start checking things out tomorrow. Anyone know which relay it is? I assume it is the one with the 25 fuse on the side as it looks like it might be a add on.

Click image to enlarge
Post #856981 19th Sep 2020 11:43pm
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
Thanks again for all the help!! Can't say enough about the people on this forum!!
Post #856982 19th Sep 2020 11:46pm
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
So I've swapped the two green relays, and no change. I've swapped two of the yellow relays in the main fuse box, no change. I put a tester in the connector at the lights and have continuity??? This says to me that there is a short in the wiring but all fuses are good. Any insight or info??
Post #857056 20th Sep 2020 1:15pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
I think I'd begin by tracing wires to make sure I was changing the right relay. With that confirmed, it's just a case of checking for power at the appropriate places with a meter of some kind. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #857129 20th Sep 2020 8:47pm
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mk1collector



Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

England 2004 Defender 110 Td5 CSW Bonatti Grey
Have you checked the bulbs? Ray
My build thread
http://www.defender2.net/forum/topic17615.html
Post #857142 20th Sep 2020 10:09pm
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
I did pull one out and the filiment looks good. I have ordered new ones. Can't hurt to have spares.
Post #857146 20th Sep 2020 10:36pm
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rallysteve



Member Since: 10 Feb 2014
Location: South Yorks
Posts: 2194

United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
Have you got the engine running whilst testing? From memory the tomb raiders with the factory fitted spots had a voltage sensing switch which only allows them to be switched on with the engine running.

Steve 02' 110 TD5 Double Cab Rebuild Thread
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Post #857170 21st Sep 2020 7:36am
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Arcticrover



Member Since: 18 Sep 2020
Location: Buckinghamshire
Posts: 19

United Kingdom 2002 Defender 90 2.5 TD Tomb Raider LE Bonatti Grey
Yes, tried with the engine running, I am driving it as a daily driver so haven't been able to tear the dash apart to get to the wiring but seems I need to to find the relay. I have ordered a new radio and will hopefully figure it out when I take it apart to install that.
I was reading something about a aux light control modual that was very prone to failing in the disco and not sure if they used the same set up???
Post #857173 21st Sep 2020 7:59am
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