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BaronDefenders



Member Since: 28 Jun 2019
Location: London/Cotswolds
Posts: 896
United Kingdom 2004 Defender 90 Td5 CSW Santorini Black
Front Fog/Spotlight Switch Issue
Hi all!

I've had a light bar installed and wired up to a genuine front fog switch (YUG000540LNF). The switch works and the orange tell-tale LED comes on as it should. So that's all fine. However, the green backing light does not work as it should.

When the dash lights are on with the headlights the new switch does not light up. Then, when the switch is turned ON the orange LED illuminates and so does the green back light, but only when the dash lights are ON. When the headlights are OFF, the green back light does not come on when the switch is operated.


My first thoughts were that the switch was fautly - which it could be. I'm now wondering if it could be an earth fault, e.g. the earth for the switch is in the wrong position (I believe one of the earth connections is left intentionally blank looking at a diagram).


I have very minimal knowledge when it comes to electrics (at best!) so any ideas would be glady recieved!


Thanks in advance! Charlie

1949 Series 1 80 (SOLD)
2002 Td5 90 (SOLD)
2008 Freelander 2 (SOLD)

1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored)
1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE)
2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK)
2012 Puma 110 Zermatt Silver (Overlanding Build)

Instagram: @BaronDefenders
Post #780622 8th Jul 2019 1:43pm
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BaronDefenders



Member Since: 28 Jun 2019
Location: London/Cotswolds
Posts: 896
United Kingdom 2004 Defender 90 Td5 CSW Santorini Black
Update: the switch is not faulty. Is it the relay then? Charlie

1949 Series 1 80 (SOLD)
2002 Td5 90 (SOLD)
2008 Freelander 2 (SOLD)

1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored)
1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE)
2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK)
2012 Puma 110 Zermatt Silver (Overlanding Build)

Instagram: @BaronDefenders
Post #780856 9th Jul 2019 5:05pm
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Roy5695



Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123
United Kingdom 2011 Defender 110 Puma 2.2 XS DCPU Indus Silver
The back lighting should have its own feed from an orange cable, I used a tap off from one of the original switches on the dash.

This orange cable should be connected to pin 2

Pin 3 or 4 should be connected to earth.

Pin 5 connected to the blue with white trace cable which is the full beam power wire.

And pin 1 should be connected to terminal 85 on your relay.

The switch is an earth switching switch rather than a power one... 2011 Defender DCPU 2.2 - https://www.defender2.net/forum/topic30623.html

Instagram - @r22oyp

Roy
Post #782744 23rd Jul 2019 5:12pm
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MYSTERY



Member Since: 14 Jun 2019
Location: Torquay
Posts: 10
United Kingdom 
switch connection


Post #783400 27th Jul 2019 11:37am
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Tribord



Member Since: 20 Apr 2013
Location: France
Posts: 220
France 2011 Defender 110 Puma 2.4 XS DCPU Zermatt Silver
Just checking - is this last wiring diagram the best way to wire in spots (with direct connection between 30 and 86) when wiring spots without high beam trigger (just on-off switch)?
Post #813780 5th Feb 2020 6:28pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324
United Kingdom 
Without a switch, pin 85 on the relay would need to be connected directly to earth for it to work. 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 #813796 5th Feb 2020 7:44pm
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Tribord



Member Since: 20 Apr 2013
Location: France
Posts: 220
France 2011 Defender 110 Puma 2.4 XS DCPU Zermatt Silver
LRAnorak - sorry I didn't quite understand. I am using the switch, but not a high beam trigger.

I have it wired as per above diagram, and it works. Just wondering if the relay link is the best way of doing it.
Post #813805 5th Feb 2020 8:22pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324
United Kingdom 
Ah, sorry - my mistake. I can see where you've altered the original diagram now.

Yes, that would work fine. The switch is used to earth the relay coil, which has a permanent live supply. 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 #813812 5th Feb 2020 8:36pm
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Horneteer



Member Since: 10 Feb 2015
Location: Cornwall
Posts: 60
United Kingdom 1986 Defender 90 200 Tdi SW Firenze Red
MYSTERY wrote:
switch connection




If you wanted the bar to work only with head lights, then do away with the red link between pins 30 and 86 and connect a head light feed on to relay pin 86.
Post #816220 20th Feb 2020 9:46pm
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Tribord



Member Since: 20 Apr 2013
Location: France
Posts: 220
France 2011 Defender 110 Puma 2.4 XS DCPU Zermatt Silver
I wanted to keep the spots separate from headlights, so used as per diagram above. Working well through the bearmach switches for spots and rear work light.



Click image to enlarge
Post #816245 21st Feb 2020 6:53am
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MYSTERY



Member Since: 14 Jun 2019
Location: Torquay
Posts: 10
United Kingdom 
WITH HEAD LIGHTS

Post #816260 21st Feb 2020 8:35am
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ForeignCartographer



Member Since: 15 Jul 2021
Location: Scotland
Posts: 13
United Kingdom 2013 Defender 90 Puma 2.2 SW Arles Blue
Hi,

Don't laugh at me for this question but, how do I connect the ground/earth from the switch? Can I splice into a ground wire from another switch?

Cheers
Ben
Post #912512 15th Jul 2021 1:49pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324
United Kingdom 
Yes you can although any convenient earth point will do. 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 #912517 15th Jul 2021 2:12pm
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ForeignCartographer



Member Since: 15 Jul 2021
Location: Scotland
Posts: 13
United Kingdom 2013 Defender 90 Puma 2.2 SW Arles Blue
Thanks Darren
Post #912522 15th Jul 2021 2:42pm
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ForeignCartographer



Member Since: 15 Jul 2021
Location: Scotland
Posts: 13
United Kingdom 2013 Defender 90 Puma 2.2 SW Arles Blue
Hi again!

I was wondering: does the switch have to be grounded in order to complete the circuit and work, or is that only for the lights on the switch?

Cheers
Ben
Post #912772 17th Jul 2021 11:34am
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