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Toplink



Member Since: 05 Dec 2010
Location: Somerset
Posts: 159
United Kingdom 
Twin USB unit in 2007 Defender.
Just wired in a twin USB unit, piggy backed on to lighter socket for feeds as won't be using at same time. Works as it should BUT I now get lots of interference on BBC radio 2 radio 4 and local is ok! Any suggestions please. Its never over in my land rover.
2007 Defender HTop.
1952 Series One 80"
1977 Muir-Hill 111.
2014 Triumph Tiger800xc
1999 Discovery 2 td5
1982 Ransomes TSR300D.
2002 Yamaha XT600e.
2010 Freelander2 (the wifes)
2008 John Deere X140
Post #490689 10th Jan 2016 6:12pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1768
United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Honestly?

Cheap crappy chinese switch mode PSU with poor EMI performance, causing the noise.
Post #490699 10th Jan 2016 6:39pm
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bpman



Member Since: 21 May 2008
Location: Oslo
Posts: 8069
2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
If you are not going to use it at the same time as the 12v socket, why not just plug a quality dual USB in?

Last edited by bpman on 17th Jan 2016 8:54am. Edited 1 time in total
Post #490701 10th Jan 2016 6:42pm
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Toplink



Member Since: 05 Dec 2010
Location: Somerset
Posts: 159
United Kingdom 
In fairness not a cheap unit. and plugging in a unit to the lighter socket looks naff. Its never over in my land rover.
2007 Defender HTop.
1952 Series One 80"
1977 Muir-Hill 111.
2014 Triumph Tiger800xc
1999 Discovery 2 td5
1982 Ransomes TSR300D.
2002 Yamaha XT600e.
2010 Freelander2 (the wifes)
2008 John Deere X140
Post #490753 10th Jan 2016 8:36pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1768
United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Got a link? To be honest, even a lot of the not cheap stuff often has poor EMI performance. Could be worth getting a replacement? Might be a build issue.
Post #490755 10th Jan 2016 8:41pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6312
England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Just a thought - do you have the + a - crossed over?

No sure this would cause the problem but the USB device might have still work but cause problems?
Post #490763 10th Jan 2016 8:52pm
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camelman



Member Since: 27 Feb 2013
Location: Peak District
Posts: 3384
United Kingdom 
I bought a really low profile, dual plug in jobbie of ebay for Ł4 and it sits almost flush with the dash so looks (almost) OEM.
No interference either. 
Post #490766 10th Jan 2016 8:55pm
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bpman



Member Since: 21 May 2008
Location: Oslo
Posts: 8069
2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
^^ Thumbs Up me too
Post #490774 10th Jan 2016 9:06pm
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kmac



Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1309
United Kingdom 2009 Defender 110 Puma 2.4 USW Santorini Black
have a look at this thread - i had exactly the same issue and fixed it with a choke mode filter

http://www.defender2.net/forum/topic32439.html?highlight=choke
Post #490778 10th Jan 2016 9:11pm
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Cheshire110



Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2762
United Kingdom 
this blue sea one, although not the cheapest, fits in the exact same hole as the standard 12v socket in the front dash, and has the same connections at the rear Thumbs Up

http://www.mudstuff.co.uk/products/electri...ocket.html Cheers, David
Land Rovers of all shapes S3 onwards… Daily is a 110 V8.
Post #490779 10th Jan 2016 9:12pm
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familymad



Member Since: 13 Dec 2011
Location: Bucks
Posts: 3481
 2016 Defender 130 Puma 2.2 HCPU Santorini Black
That looks like a great bit of kit. Children were just asking how to charge the iPads in the vehicle. 1951 80" S1 2.0
1995 110 300TDI
1995 90 300TDI
Post #490789 10th Jan 2016 9:37pm
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Cheshire110



Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2762
United Kingdom 
Not fitted mine yet (haven't got the car yet!!) but have offered it up to the facia and it fits beautifully.

And at 2 x 2.1A will handle 2 iPad/iPhones at full power. Cheers, David
Land Rovers of all shapes S3 onwards… Daily is a 110 V8.
Post #490791 10th Jan 2016 9:40pm
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Toplink



Member Since: 05 Dec 2010
Location: Somerset
Posts: 159
United Kingdom 
SeaIt is a Blue Sea one. a filter is next on list to try and fix. Its never over in my land rover.
2007 Defender HTop.
1952 Series One 80"
1977 Muir-Hill 111.
2014 Triumph Tiger800xc
1999 Discovery 2 td5
1982 Ransomes TSR300D.
2002 Yamaha XT600e.
2010 Freelander2 (the wifes)
2008 John Deere X140
Post #490796 10th Jan 2016 9:54pm
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Cheshire110



Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2762
United Kingdom 
If you're saying it a blue sea one you have then I suspect a fault, as they make great stuff.

Or maybe wire is excessively close to aerial?

Or you have slightly pulled the aerial out of the back of the radio? Cheers, David
Land Rovers of all shapes S3 onwards… Daily is a 110 V8.
Post #490799 10th Jan 2016 10:01pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5873
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
I too have a blue sea one fitted to the side of my mud stuff dash pod (td5). When I have a phone on charge the radio signal drops off. As soon as I unplug the phone all is well.

I have a cheap twin USB into a ciggie socket just below the blue sea one and that is fine - no interference with the phone on charge, Both off the same power feed. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #490885 11th Jan 2016 9:04am
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