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Calling all the Trailer eletrical wiring gurus
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Jetlag
 


Member Since: 10 Mar 2012
Location: Johannesburg
Posts: 205

South Africa 2012 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4
Calling all the Trailer eletrical wiring gurus

Hi Guys,

I am planning to rewire my trailer and have drawn up the diagram below. Could the Electrical gurus advise?

Click image to enlarge


I am unsure how to connect the trailer to the car. I Bought the adapter from the Disco3.co.uk shop that fits into the white plug and I am hoping to use that point.

Some have suggested a DC to DC charger and some have suggested fitting an inline Inteligent NL solenoid.
 Disco 4 SDV6 HSE with Compomotives, BFG 265/65R18s, BigCountry drawer system, Melvill & Moon covers, NL 52L fridge, FR Spare Wheel Carrier, FR Roof Rack, Tenco RTT, FR 50" LED Bar, dual spots, Lift Rods, Mantec Snorkel, C-TEK Dual batt system, 270 Ostrichwing, Maxtrax, Icom ID-5100, Icom ID-51 as secondary, IIDtool BT
Follow my adventures on Instagram @XpeditionAfrica
 
 
Post #136625430th Oct 2014 10:23 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

I'd probably have more via the fusebox and would include a DC to DC charger.
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Post #136626430th Oct 2014 10:53 am
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Jetlag
 


Member Since: 10 Mar 2012
Location: Johannesburg
Posts: 205

South Africa 2012 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

Hi Guys,

Have updated my diagram with the latest info and components. Please share your thoughts / comments / suggestions.

Click image to enlarge
 Disco 4 SDV6 HSE with Compomotives, BFG 265/65R18s, BigCountry drawer system, Melvill & Moon covers, NL 52L fridge, FR Spare Wheel Carrier, FR Roof Rack, Tenco RTT, FR 50" LED Bar, dual spots, Lift Rods, Mantec Snorkel, C-TEK Dual batt system, 270 Ostrichwing, Maxtrax, Icom ID-5100, Icom ID-51 as secondary, IIDtool BT
Follow my adventures on Instagram @XpeditionAfrica
 
 
Post #136636430th Oct 2014 2:28 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
Posts: 6019

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

What benefit is the DC to DC charger out of interest compared to a voltage sensitive relay ?.
  
Post #136646130th Oct 2014 6:03 pm
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Jetlag
 


Member Since: 10 Mar 2012
Location: Johannesburg
Posts: 205

South Africa 2012 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

I went for the CTEK purely because I use CTEK chargers for both my bike batteries and have never had any problems.

The CTEK D250S was recommended to me by many people on one of our local 4x4 forums
 Disco 4 SDV6 HSE with Compomotives, BFG 265/65R18s, BigCountry drawer system, Melvill & Moon covers, NL 52L fridge, FR Spare Wheel Carrier, FR Roof Rack, Tenco RTT, FR 50" LED Bar, dual spots, Lift Rods, Mantec Snorkel, C-TEK Dual batt system, 270 Ostrichwing, Maxtrax, Icom ID-5100, Icom ID-51 as secondary, IIDtool BT
Follow my adventures on Instagram @XpeditionAfrica
 
 
Post #136665631st Oct 2014 5:18 am
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Jetlag
 


Member Since: 10 Mar 2012
Location: Johannesburg
Posts: 205

South Africa 2012 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

I missed the circuit breaker from the mains power. The diagram has been updated

I will do a how-to guide when I am wiring my trailer Smile

Click image to enlarge
 Disco 4 SDV6 HSE with Compomotives, BFG 265/65R18s, BigCountry drawer system, Melvill & Moon covers, NL 52L fridge, FR Spare Wheel Carrier, FR Roof Rack, Tenco RTT, FR 50" LED Bar, dual spots, Lift Rods, Mantec Snorkel, C-TEK Dual batt system, 270 Ostrichwing, Maxtrax, Icom ID-5100, Icom ID-51 as secondary, IIDtool BT
Follow my adventures on Instagram @XpeditionAfrica
 
 
Post #136666531st Oct 2014 7:09 am
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Brucehun
 


Member Since: 09 Oct 2006
Location: Johannesburg
Posts: 106

South Africa 2010 Discovery 4 5.0 V8 HSE Auto Ipanema SandDiscovery 4
Overkill

Jet lag, all you need is the white plug wired to run off the 15a line from ignition to trailer with connection to hcdp mk4 panel. I have this setup and run a 105ah LC battery plus extras similar to yours. Try and keep it simple and you will have less problems down the line.
  
Post #13674241st Nov 2014 9:30 pm
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