 | Home > In Car Electronics > External Auxiliary lighting. More questions! |
 
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429   
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Ok, just as I post this I have a brainwave. It's the Blue and White/Blue that are the switching pair. This seems to suddenly make sense as I get illumination but no indication. I'd now guess that there isn't a standard relay hidden somewhere. Just a little surprised they've put the switch there if nothing was fitted.
Still, any ideas about the loose coiled wires under the steering column? |
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8th Nov 2018 4:00pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605 
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The wiring to the spot light switch looks home-made to me.
Scrub that, cleaned my specs and the colours match the diagram. From the fitting instructions for the LR loom: http://www.defendercenter.ch/VUB%20500890%...werfer.pdf The relay should be in the battery box (pic 72 onwards). Your other wiring matches the factory colours for the front speaker wiring.  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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8th Nov 2018 4:57pm |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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I would have agreed with you. In fact I do about the factory colours, except the switching blue pair don't go anywhere. They're just looped behind the switch. Sorry if my photo doesn't show that clearly. It just seems weird to have the switch and illumination but to feed nothing, especially is its a factory install, which I believe it is.
I'm guessing that I can use them as the feed to my relays though. Now how I want it to work, is for the front fog light switch to activate the ability for the front light bar to come on with the full beams AND for the rear spots to come on with the reverse light. It would be great if I could combine both of these lights into the one switch but my mind is boggling a little as to how I can get this to work without getting overly complicated or resorting to coding an Arduino. Any ideas? |
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8th Nov 2018 8:31pm |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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Ok, so I have a few days off and expect to be able to spend the day working on this tomorrow.
For clarity from the last posts, I am looking to have the Aux2 switch on the dash to activate all the extra lights. When the Aux2 button is pressed, I want the rear spots to come on with the reverse light and the front light bar to be on with the full beams. Obviously I want all this to go off when that Aux2 button isn't activated. In addition I've added a rear switch so I can just switch the rear spots on if I'm working behind the truck. This is what I've come up with so far but I am not sure if I'm just making this more complicated that needed. I used to be good at this stuff, but for some reason my mind has struggled when planning this out. 
Any advice is much appreciated. Ben Click image to enlarge |
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17th Nov 2018 7:44pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605
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Should the rear lamp override switch be independent of the Aux2 switch or not?
At the moment you have to have the Aux2 pressed for the rear lamp to work at all, either with reverse or the manual override. That might be what you want but worth a check  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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17th Nov 2018 7:51pm |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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I'm fairly easy with that. Either or!
I'm happy for the Aux2 Switch to activate and deactivate everything. The fact that's all you've picked up on, looks like I'm onto a winner   |
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17th Nov 2018 7:54pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605
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I didn't say that was all that I would change
I think you are using an extra relay to how I would do it (and you need to convert the Aux2 switch to positive side switching). However I won't have time tonight to do a schematic of it my way  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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17th Nov 2018 7:57pm |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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Now the extra relay comment was where my mind was boggling. I also think I'm using an extra relay but I couldn't figure out how I could wire it to get the same ability using one less.
I also don't quite understand what you mean by positive switching. Isn't the Aux2 doing positive switching as it is? I mean, it is switching the 12v positive from the battery. |
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17th Nov 2018 8:13pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605
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From the top diagram in this thread you can see the Aux2 switch output (pin 1 - blue/black) is a switched ground going off to the relay coil. The other end of the relay coil is +12V from the main bean warning lamp feed.
1988 90 Td5 NAS soft top
2015 D90 XS SWLast edited by Martin on 17th Nov 2018 8:21pm. Edited 1 time in total |
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17th Nov 2018 8:20pm |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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Click image to enlarge  |
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17th Nov 2018 8:38pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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If you link the grounds from the coils of the two individual circuit relays, you can insert the Aux2 switch there and omit the first relay altogether. I suspect this is what Martin was referring to.
You could, though, introduce a second relay in the rear work light circuit so that they only come on if the side lights are on, as shown in the diagram below (ignore the switch and sockets on the right of the diagram). The practical effect of this is that the lights only come on in the dark when they're needed. Click image to enlarge That arrangement also gives the opportunity to change the manual switch for an on-off-on type (auto-off-manual) and use it to switch the second relay. This removes the need to run two separate feeds to the lights. Actually, as you want the dash switch to be the master for both circuits, your rear manual switch could just be an on-on type, so you're not duplicating the isolation. 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 |
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18th Nov 2018 8:34am |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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Ah perfect! That's the sort of info I'm after! Final draft?
Click image to enlarge I think I'll leave out the side light relay with a look to add it at another time. My plan eventually is to have the 'boot release' button on my keyfob to switch the worklights on for a fixed time (i.e 10 mins). All in good time
Think this will keep me busy for today. Thanks for your help! |
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18th Nov 2018 9:16am |
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| BenB8man Member Since: 22 Mar 2017 Location: Norfolk Posts: 429
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Ok, just a follow up and a mention of one of my original concerns. I've obviously now moved the AUX2 switch to the GND sides of both circuits, but would this not mean that, for example, my full beams now turn on the rear reverse light? I know I could add a few diodes if needed, but not sure if that's something I need to worry about.
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18th Nov 2018 9:22am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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Hmm, that's a good point. Hadn't spotted that. I guess you could solve it with a couple of diodes although, to be honest, I probably wouldn't try to control two different circuits in this way. 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 |
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18th Nov 2018 7:16pm |
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