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Converting new 13 pin plug on my touring caravan

I have a 13 pin plug on my towing vehicle & want to wire to my 12s & 12n plugs on my caravan.

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Posted on Jan 02, 2017

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SOURCE: Trailer wiring problem. Tow vehicle is a 2008

Most likely the brown wire from the trailer connector is connected to a constant battery voltage source, and it should be connected to the vehicle running light circuit, however someone might have wired the trailer connector up that way on purpose so that the trailer does not draw power from the vehicle running lights and possibly damage the vehicle running light circuit. (Dodge/Chrysler vehicles do have delicate lighting systems) Here are some images to help assist you, and the 4 way connector is the same as the 5 way connector just without the blue wire for the trailer brakes.


2163d10.jpg


cc44407.jpg

5e9ec56.gif

bfc4311.jpg

7ac3528.jpg

Posted on Jul 06, 2010

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tommyboinow
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SOURCE: Volvo V70 2001.. Plugs For Towbar Electric's??

No those plugs are stricktly for double towing with a tow bar only, you will have to install a second single tow plug.

Posted on Nov 26, 2008

  • 8 Answers

SOURCE: need to find a switched earth for a tow bar fitted

you can get a switched ground useing a live wire to switch a rely to provide switched ground.live power to pin 85 ground to pis 86 and 30,the pin 87 will be negative whe the key is on.

Posted on Jul 05, 2009

  • 1915 Answers

SOURCE: the instrument panel lights come on and of 3 times

you may have a shock sensor for an alarm the was somehow set, and this light show is to tell you it was tripped-try disconnecting the negative terminal to the battery and let it sit for 5 minutes, then connect it and start the car-see if it still does it (or does not).

Posted on Mar 09, 2011

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Need the wiring diagram for the aux circuit feeding caravan fridge power while the engine is running.


Understanding Caravan and Tow CarUnderstanding Caravan and Tow CarIn the beginning.... The first and oldest electrical system on caravans, that was installed way back when most caravan's were no more than small garden sheds on wheels were the rear lights that replicated the rear lights of the towing vehicle, usually no more than two side lights and two brake lights.
Illumination for inside the caravan was provided by gas lights fed from a small gas cylinder usually clamped to the "A" frame of the caravan. It wasn't long before the lighting system needed to be upgraded, as direction indicators became mandatory on cars, additional wiring was needed to replicate indicators on the rear of the caravan. Skip forward a few years and a rear fog light became mandatory, so a further upgrade was made to the lighting electrical system to allow the rear fog light to be installed. The wiring for these lights was connected through a 7 pin plug to the car that is commonly known as a "12N" connection.Sometime in between the indicators and rear fog light changes, people decided they wanted to replace the gas lights inside the caravan with 12 volt lights that could be run from the car battery. People often used old car spotlights or other 12 volt lights that were found in cars of the time as interior lights and these soon drained the car battery, so an "upgrade" was to install a second battery in the caravan that could be used to provide power for lighting. These were usually old car batteries. It would be another few years before the dedicated "leisure battery" came along. Originally, you would have to take this battery out of the caravan and charge it at home using a standard car battery charger. Again, in a continual developing process, someone came up with the idea of being able to charge the second battery in the caravan from the tow car while driving along the road, or when on site, being able to run the engine of the car and using a long lead be able to plug the caravan into the car to charge the battery for the next nights use of the lights, So a second "supplemental" electrical system was born and the "12S" (S for supplemental as to differentiate it from the 12N or Normal) connection came into being.he 12 Volt systems
The 12 volt systems are split into two. The first, and as we have seen, the oldest is the caravan road lights, that is to say the lights that are required by law to have on all trailers. These lights consist of "tail" or "rear" lights - rear side lights (red), brake lights (red), direction indicator lights (orange), reversing lights (white) and fog lights (red). Due to the size of a caravan front marker lights (white) are required and from 2013 side marker lights (orange) on longer caravans.
12N & 12S Vehicle Wiring
These lights are connected to the car via a 7 pin "12N" type plug or by a more modern "continental" style 13 pin plug. The road lights are usually a complete system with all the supply and earth connections being separate from any other electrical system on the caravan. One of the most common faults with road lights is problems associated with the earth lead, but more of that later.
The only road lights that are not connected via the 12N connection are the caravan's reversing lights. The original 7 pin socket when it was developed was thought to have enough connections for everything anyone could ever want. Unfortunately as the years progressed, the number of "spare" connection on this plug diminished, to the point where there was no spare connection for the reversing lights. However, with the advent of the 12S, this was taken care of.The second 12 volt system is the supplemental system. This is designed so that when towing, you can charge the caravan's leisure battery, power the fridge and in some cases power an electrical brake system. The design of the supplemental system has to take into account a number of things:-
• It must be able to charge the caravan's leisure battery only when the car battery is fully charged and the engine is running.
• It must be able to power the caravan's fridge - but not allow the fridge to flatten the car battery if the engine is not running.
• It must be able to power the internal 12 volt electrical system of the caravan, but turn everything off when the engine is running.
• It must not interfere with the correct operation of the road lights of the caravan or towing vehicle.
OK, so lets look at the first one -
"It must be able to charge the caravan's leisure battery only when the car battery is fully charged and the engine is running"roblems with this type of connection. If the car battery is flat and you try to start the car, a heavy current will be drawn from the caravan's leisure battery and would cause the caravan wiring to over heat and possibly cause a fire. It would also damage the plug and socket connecting the caravan's wiring to the car, as they are not designed to take the high currents involved in starting a car engine. So how can we do this safely?

Sep 29, 2016 | Cars & Trucks

1 Answer

How to wire a gray towing plug


Refer to the diagram in the link supplied. The grey towing plug is the 12S. Towbar Wiring Diagram

Aug 26, 2011 | 2002 Land Rover Freelander

1 Answer

It was wired for a 4 wire flat trailer plug. the plug was ripped off and now there are wires coming from both tail lights and the drive lights on rear passenger and trailer dont work. Green, Black, brown/w...


You need to install a 3-2 wire converter. I suggest a CURT 56175 then
1.Using a test lamp, identify the corresponding wires in the harness for the left turn, right turn, tail lights and brake lights. 3. Temporarily remove the vehicle's negative battery cable from the battery. 4. Using wire taps, attach the input wires of the tail light converter to the corresponding vehicle harness wires identified in step 2 as indicated.
Converter Brown Wire: Tail Light Circuit Converter Yellow Wire: Left Turn Circuit Converter Red Wire: Brake Light Circuit Converter Green Wire: Right Turn Circuit
5. Locate a suitable mounting location for the ground eyelet on the vehicle near the converter on vehicle's frame or cross member.
And your ready to tow!

Mar 08, 2011 | 1999 Plymouth Grand Voyager

1 Answer

Trailer wiring problem. Tow vehicle is a 2008 Grand Caravan with 4 wire plug. Double checked, plug function works fine. When trailer is plugged to tow vehicle with tow vehicle lights OFF the trailer...


Most likely the brown wire from the trailer connector is connected to a constant battery voltage source, and it should be connected to the vehicle running light circuit, however someone might have wired the trailer connector up that way on purpose so that the trailer does not draw power from the vehicle running lights and possibly damage the vehicle running light circuit. (Dodge/Chrysler vehicles do have delicate lighting systems) Here are some images to help assist you, and the 4 way connector is the same as the 5 way connector just without the blue wire for the trailer brakes.


2163d10.jpg


cc44407.jpg

5e9ec56.gif

bfc4311.jpg

7ac3528.jpg

Jul 06, 2010 | 2008 Dodge Grand Caravan

1 Answer

Wiring diagram for tow bar electrics on a 1999 ford galaxy


WIRING DIAGRAM FOR 12N TYPE 7-PIN Black socket or plug
for vehicle road lights
Colour Terminal Purpose Looking at the Socket towards the plug.
Looking at the Plug towards the socket. Yellow 1 (L) LH Indicator wd_black_socket.jpg Blue 2 (54G) Rear Fog Light (or Aux.) White 3 (31) Earth Green 4 (R) RH Indicator Brown 5 (58R) RH side Light Red 6 (54) Stop Lights Black 7 (58L) LH Side Light

Mar 17, 2010 | Ford GT Cars & Trucks

1 Answer

Need to find a switched earth for a tow bar fitted to audi a3 its for a 12s type plug and for the fridge pin number 7


you can get a switched ground useing a live wire to switch a rely to provide switched ground.live power to pin 85 ground to pis 86 and 30,the pin 87 will be negative whe the key is on.

Jul 05, 2009 | 2005 Audi A3

1 Answer

No power to tail light on trailer- 2004 Dodge durango factory tow


If this is a factory light harness for the trailer hookup on your Caravan. Look under the hood for a fuse box. Many 2000+ vehicles have this with separate fuses just for the trailer lights.

Jun 10, 2009 | 2005 Dodge Caravan

1 Answer

Fitting a towbar for a caravan with 13pin europlug


black socket, black 7 core wire
pin 1 yellow left indicator
pin 2 blue, rear fog light
pin 3 white earth
pin 4 green right indicator
pin 5 brown right side/tail light
pin 6 red brake lights
pin 7 black left side/tail light

Grey socket grey 7 core wiring
pin 1 yellow, reverse
pin 2 blue, supplementary feed (ignition)
pin 3 white, earth
pin 4 green live feed (battery +)
pin 5 brown not connected
pin 6 red supplementary feed (ignition)
Pin 7 black earth

On the discovery there is a purpose made plug behind the panel on the drivers side rear, behind the rear lamp
i think the relay you have bought is for lamp failure you just need a normal 4 pin 30 amp relay.
Good luck Davelee

Mar 19, 2009 | 1997 Land Rover Discovery

3 Answers

Wiring for a trailer


u must install the fuses for the system in he underhood heavy duty fuse box, it will be marked trailer tow

Mar 17, 2009 | 2006 Ford Escape

2 Answers

Volvo V70 2001.. Plugs For Towbar Electric's??


You can get an adapter that fits in to the 13 pin socket that give you a 12N socket, easily available on E-bay

http://cgi.ebay.co.uk/13-to-7-Pin-Adaptor-for-Euro-Style-Towbar-Electrics_W0QQitemZ110303426204QQihZ001QQcategoryZ36631QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

I have one for my car and it does the trick

Sep 30, 2008 | 2001 Volvo V70

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