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Trailer LED lights flashing
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pete57
 


Member Since: 05 Oct 2005
Location: Nottingham UK
Posts: 106

United Kingdom 2007 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3
Trailer LED lights flashing

Hi there all. I have just changed my trailer lights to LED's. The indicator lights flash dimly on the trailer when electrics plugged in from the car. There is no fault with the trailer or the car as the eelctrics work fine on other trailers and the trailer's LED's work fine with other cars!!
Also when hitched up and plugged in the reversing sensors come on continually as if the car has not recognised the trailer. This does not happen on other trailers.
I think the led's have something to do with this . Possibly lower wattage and it upsets the cars circuitry.
Has anyone come across this problem and if so is there a fix? D3 Buckingham Blue SE Auto
BMW 325i Convertible
Fiesta 1.4 Zetec
Fiesta1.4TDCi  
Post #71809019th Nov 2010 2:38 pm
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tintenter
 


Member Since: 29 Sep 2006
Location: Oldham
Posts: 1109

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

this is a known issue with the D3 and LED trailer lights you will need to add resisters to the led lights to stop the flashing, no doubt some one will point you in the right direction or you could use the search function to find the relevent threads Tintenter
Corris Grey Discovery 4 HSE

Bigger permagrin now installed


Semper in excretum, sole profundum moveat. 

Last edited by tintenter on 19th Nov 2010 3:27 pm. Edited 1 time in total 
Post #71810919th Nov 2010 3:26 pm
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wiggs
 


Member Since: 03 Sep 2006
Location: Manchester
Posts: 14368

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

you need a shunt fitted to stop the gremlins

Look here at lots of post on the subject

http://www.disco3.co.uk/forum/search.php?mode=results G4 Gone ...but not forgotten  
Post #71811019th Nov 2010 3:26 pm
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wiggs
 


Member Since: 03 Sep 2006
Location: Manchester
Posts: 14368

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

link dont work Sad

Search for " +led +shunt " G4 Gone ...but not forgotten  
Post #71811119th Nov 2010 3:28 pm
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01coccobet
 


Member Since: 23 Feb 2009
Location: on air
Posts: 2624

Italy 2007 Discovery 3 TDV6 XS Auto Tangiers OrangeDiscovery 3

link dont work

Search for " +led +shunt "



You such an electro-positronic guru Rolling with laughter Rolling with laughter Rolling with laughter Rolling with laughter figuring it out!!!!
the best feeling:getting airborne.  
Post #71827519th Nov 2010 9:22 pm
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pete57
 


Member Since: 05 Oct 2005
Location: Nottingham UK
Posts: 106

United Kingdom 2007 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3

wiggs wrote:
you need a shunt fitted to stop the gremlins


My mother in law has just had a shunt, but it didn't stop the gremlins! D3 Buckingham Blue SE Auto
BMW 325i Convertible
Fiesta 1.4 Zetec
Fiesta1.4TDCi  
Post #71841720th Nov 2010 9:48 am
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PerthDisco
 


Member Since: 21 Jun 2010
Location: Perth
Posts: 85

Australia 2008 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I have exactly the same issue with my new trailer. Strange thing is when I first connected it up it all worked, reversing sensor disabled, trailer indicator on the dash display. Since then it has not and it is only because I got down and recognised the lights as LEDs I remembered this issue being raised on the Forum.

How could this be?

Do you only need one shunt for both trailer light assemblies or one shunt each?

I imagine it can be fitted close to the plug to avoid waterproofing issues?

Thanks  
Post #71869621st Nov 2010 4:02 am
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Bushwanderer
 


Member Since: 27 Nov 2007
Location: Northern Rivers, NSW, Australia
Posts: 2050

Australia 2005 Discovery 3 TDV6 S Manual Buckingham BlueDiscovery 3

For those interested, LAB Electronics make and supply both an in-vehicle unit (PulseShunt) and a trailer-based unit (PulseBuster). See here:

http://www.labtronx.com.au/index.html

Best Wishes,
Peter The Bearded Dragon  
Post #71904921st Nov 2010 9:43 pm
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