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Led light bar, switch and wiring questions
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Davethegeo
 


Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 914

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

jamez79 wrote:


Davethegeo, I'll get some of the small round switches, so thanks but I won't need the switch. May I ask what size that lightbar is please?



I found those small round switches at Sinolec - https://sinolec.co.uk/en/electrical-switch...;results=2
Also bought a rectangular switch with a light - https://sinolec.co.uk/en/miniature-rocker-...;results=1

I couldn't find small round rocker switches with a light.

The switch I ended up using was https://www.12voltplanet.co.uk/onoff-oval-...t-12v.html

As foir the switch rating, all these switches are good for at least 10A which is more than enough for the relay coil. I believe relay coils draw only about 200mA at most. Mine draws 130mA.

The Stedi lightbar ST1K is 21.5 inches long. Dimensions and details are here - https://stediuk.com/collections/st1k-e-mar...-light-bar. Other lightbars are available. The Lazer stuff gets good reviews in this forum.

Just shout if you need anything else.
Happy Christmas by the way!
 D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 2012 SDV6 XS - Stolen
D4 2014 SDV6 HSE - Shiny


 
 
Post #226912725th Dec 2021 11:12 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14142

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi Dave

Wished to say that’s a cracking lightbar and hats off to u finding the switches , is like a mindfield trying to find one for the required application Thumbs Up

Also hope u have a great Boxing Day and New Years Bow down
   
Post #226913826th Dec 2021 3:57 am
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Davethegeo
 


Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 914

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Thanks Gary.
It's remarkable what one can find on the interweb given an hour or so of peace and a bottle of M&S red wine!
My ultimate result would have been a small rocker switch (15mm hole) with blue led. Don't think they exist. Plan B was therefore to buy a separate blue led and fit it in the lightswitch panel just by the switch. But.....I found the bigger switch and suddenly life seemed too short to be faffing about with LEDs and resistors!

All the best to you for the rest of Christmas and the New year. I'm very heartened to hear in a separate post that your neighbours have been feeding you. How lovely of them. A bit sad though that it warrants a special mention - that used to be standard practice for years but society has changed. I think that's called progress.... Anyway, all the best to you and all my readers!
 D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 2012 SDV6 XS - Stolen
D4 2014 SDV6 HSE - Shiny


 
 
Post #226920926th Dec 2021 3:56 pm
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jamez79
 


Member Since: 03 Sep 2018
Location: Staffordshire
Posts: 589

United Kingdom 2012 Discovery 4 3.0 SDV6 XS Auto Indus SilverDiscovery 4

Thanks for all the help. Thumbs Up
   
Post #226921026th Dec 2021 4:16 pm
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KevinD3
 


Member Since: 05 Aug 2020
Location: Sutton Coldfield
Posts: 1277

England 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Hey Davethegeo, you mean these?
https://www.amazon.co.uk/gp/product/B077LV...&psc=1

Ordered them for when I fitted the rear floodlight, handy that they’re 20amp and come in packs of 6 >]
 2008 HSE Stornoway Grey

My Wife thinks the D3 is a hobby, The D3 thinks the wife is 💕 
 
Post #226921426th Dec 2021 4:38 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14142

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Davethegeo wrote:
Thanks Gary.
It's remarkable what one can find on the interweb given an hour or so of peace and a bottle of M&S red wine!
My ultimate result would have been a small rocker switch (15mm hole) with blue led. Don't think they exist. Plan B was therefore to buy a separate blue led and fit it in the lightswitch panel just by the switch. But.....I found the bigger switch and suddenly life seemed too short to be faffing about with LEDs and resistors!

All the best to you for the rest of Christmas and the New year. I'm very heartened to hear in a separate post that your neighbours have been feeding you. How lovely of them. A bit sad though that it warrants a special mention - that used to be standard practice for years but society has changed. I think that's called progress.... Anyway, all the best to you and all my readers!


Ur so welcome , funny enough the only other ones I could find was something like this, alas though has a 24mm hole, just thought with it having a surround if it would be a neater finish , of course just an idea and see other members have also found some for u which u may prefer

Can find plenty of 15mm but alas not illuminated, 20mm seems to be the norm for illuminated

https://www.12voltplanet.co.uk/onoff-round...t-12v.html

https://sinolec.co.uk/en/round-rocker-swit...print.html

Will keep searching unless the kind link that @kevin has left is better , sorry the link doesn’t work for me

Indeed it just seems such a rare quality these days , have lived here around 12 x years , on my own for 9 x years and this is the first person who has cooked me a xmas dinner , was just so taken back by such kindness

Think they said they were from Russia so maybe that’s the norm regarding neighbours , couldn’t ask for nicer neighbours , thank u so much once again

Hope all goes well with the disco and look forward to updates , reminds me I’ve got a few things srill to finish , ie, like this turbo issue , but just taking it step by step
   
Post #226944028th Dec 2021 4:34 am
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Beenzer
 


Member Since: 23 Jan 2021
Location: Newburgh scotland
Posts: 37

Scotland 2016 Discovery 4 3.0 SDV6 Commercial Auto Corris GreyDiscovery 4

Davethegeo wrote:
I've just installed a light bar (Stedi ST1K) and all the associated gubbins and wiring.

Here's the lightbar bolted to the handy existing metalwork in front of the radiator and behind the grille. The grille needed a tiny amount of plastic cutting away to avoid it fouling the light bar. I did it with a mini hacksaw blade.

Click image to enlarge



Showing the wires for the power to the light bar disappearing towards the auxiliary battery box


And this is how stealth the position of the light bar is. The bars in the grille appear to have no effect on the light output.

Click image to enlarge


I took the power for the lightbar from the auxiliary (stop/start) battery, and all the excess wiring and the relay are stuffed in the battery box. (Note to self, must tidy that up...). My fingers are holding the power cables that feed the relay and you can see they are connected to the stop start battery.



The only tricky bit was feeding wires through the grommet in the bulkhead. There's a sharp edge the far side of that hole as the bulkhead is two sheets of metal. Skinned fingers and forearms were the result. Here are the wires going through the grommet. The wiring loom that came with teh lightbar was probably more robust than it needed to be and more universal than I needed and so both the switched power, earth and three wires for the switch went through the grommet. Switched power (12V when main beams is on) needn't go back to the relay (and therefore through the grommet) but can go direct to the switch. But anyway, that's how the look was wired so I went with it.
I took the 12V main beam signal from the thin black/blue wire from the middle connector behind the panel by my right driving foot (as detailed elsewhere in this forum). The wire carries 12V when the main beam is on. No need for faffing about with OBD and Canbus.

This is the switch I went for, installed on the headlight switch panel. There's room for one or two switches (as NikBrown shows) but they should need a 15mm hole - 20mm is too big. I chose my switch as I wanted a tell tale light when it is switched on. Switches were from 12VPlanet or Sinolec.



I'm pleased with the result and delighted with the Stedi lightbar.

PS. I have one of those original LR switches and connectors, surplus to requirements. I couldn't find anywhere to fit it in the D4.


Hi,

That lightbar looks identical to my Strolux 21-inchers, I mounted mine similar as well, made a frame behind the front grill,

nice stealthy look..

cheers

Tam
  
Post #22714357th Jan 2022 11:35 pm
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