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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 854

United Kingdom 
DRLs causing noise on stereo
Just fitted a new bumper with DRLs from Dixon fabrications. Looks mint.
At the same time I messed on with the stereo and changed the speakers.

One of these things caused noise or bad reception with the DAB radio reception. My guess was that speakers but it turns out it was the LEDs on the bumper. Power to them and the radio goes to hiss.

Tried everything (I know) to isolate it, but with the led’s lit the reception is pants.

Don’t know how to add a video to this or I would.

Anyone else had issues with noise from DRLs? These came with the bumper so are obviously cheapies but speaking Dixon they have supplied thousands and never had a problem.
I also have one of the cheapy DRL ignition things from the bay that might be an issue.

What make does everyone else have that’s proven to be good.


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Cheers
PCM


Last edited by PCM on 28th Jan 2020 10:41pm. Edited 1 time in total
Post #812173 27th Jan 2020 3:06pm
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X4CAC



Member Since: 30 Apr 2018
Location: Midlands
Posts: 212

United Kingdom 2014 Defender 90 Puma 2.2 XS CSW Corris Grey
This is quite a common issue which comes up regularly on forums and FB groups - search for ferrite rings on here and you'll find loads of advice.. they're readily available to buy from the obvious places like Amazon, Maplins, etc
Post #812182 27th Jan 2020 5:06pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19449

United Kingdom 
As above, clamp on ones in-line are ideal. I think I got mine on Amazon in a multi size pack. Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #812185 27th Jan 2020 5:26pm
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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 854

United Kingdom 
Took it Newcastle audio centre for them to have a look as my audio tool kit (and knowledge) was a bit sparse.
Spent a lot of time on isolating the solving the noise issue. We've fitted a selection of ferrite rings. Wrapped the cabling in a special blanket. Removed the cheaply Drl module and wired them directly to the battery and also to an ignition live.
All the other led lights don't cause any issues. Just these.

Conclusion. The drls supplied are causing a huge amount of interference and there is nothing the audio centre can do to solve it. They said some of them just do. FM not really affected, but DAB is woeful.

Great..... Big Cry

My only option now is to find another more reputable set of Drls that fit the bumper and don't emit dab killing noise. At the moment they are off.
Post #812190 27th Jan 2020 6:03pm
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X4CAC



Member Since: 30 Apr 2018
Location: Midlands
Posts: 212

United Kingdom 2014 Defender 90 Puma 2.2 XS CSW Corris Grey
Have a word with Scott at uproar4x4, he can supply the DRL's you need as your bumper looks pretty similar to mine. I also have the Nakatanenga DAB aerial and zero issues with interference.
Post #812211 27th Jan 2020 7:41pm
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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 854

United Kingdom 
Perfect.
Was thinking of trying a few others but if you know of one that fits that works with DAB then great.
Post #812241 27th Jan 2020 9:38pm
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Sulisuli



Member Since: 30 Oct 2016
Location: South west
Posts: 4787

United Kingdom 2015 Defender 90 Puma 2.2 HT Corris Grey
Hope you get this sorted, always annoying when something that should be easy becomes so frustrating. 2015 HT XS 90
2008 SVX 90
2000 XS TD5 90
Post #812244 27th Jan 2020 9:46pm
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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 854

United Kingdom 
It’ll be fine...
I’ll contact uproar and see what they use, but in the mean time I’ve just bought 3 different sets on Amazon for delivery tomorrow.... Rolling with laughter
one of them must surely work.....

Have to say the bumper is awesome..... maybe not uproar stainless but Quality of Dixon fabrication is brilliant.
Post #812263 27th Jan 2020 10:33pm
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
I have a similiar conundrum, fitted a new DAB radio and now when I press the brake pedal, the FM signal goes pants 😡 Was working fine with the old radio. 1990 200tdi conversion 90
Post #812373 28th Jan 2020 8:48pm
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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 854

United Kingdom 
The fitter at the audio centre was brilliant. If there was a way to fix the noise issue he would.
In the end they called them DAB restricting lights and I’ve had them turned off.

Seems our beloved Defenders don’t handle some of the fancy toys without putting up a fight first.
Never heard of the brake causing electrical interference. If it Wasn’t so Annoyingly bad it’d be funny.
Rolling with laughter
Post #812392 28th Jan 2020 9:30pm
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
It's mad, I can only think the brake light switch is causing the interference. The joys 🙄 1990 200tdi conversion 90
Post #812395 28th Jan 2020 9:33pm
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Tegner



Member Since: 31 Jul 2018
Location: Alnwick Northumberland
Posts: 174

United Kingdom 2010 Defender 90 Puma 2.4 HT Zermatt Silver
Hi I've been using Ring BRL0397 with no issues, comes as a kit with wiring and automatic switching unit
Post #812514 29th Jan 2020 5:27pm
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macfrank



Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 983

Germany 2015 Defender 110 Puma 2.2 SW Keswick Green
When I installed an old Sony radio there were massive interferences when charging an iPhone.

I tried this in the radio's power line:
https://www.amazon.co.uk/Sinus-Live-Interf...ast_bbp_dp
No change. Sad

Then this in the audio input line:
https://www.amazon.co.uk/Sinus-Live-205-Gr...ast_bbp_dp
ahh - silence Very Happy
Post #812685 30th Jan 2020 12:58pm
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dioliahary



Member Since: 18 Jan 2015
Location: Manchester
Posts: 668

Scotland 
👍 1990 200tdi conversion 90
Post #812775 30th Jan 2020 9:06pm
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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 854

United Kingdom 
Mac frank
What do you mean by the Audio Input line exactly.
It’s worth a try....
Post #812790 30th Jan 2020 10:17pm
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