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 Topic: Connecting solar panel to 12v socket
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20/11/2007 at 2:44pm
Location: Lancashire
Outfit: Caravan now Sold
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may help
http://www.ccis.com/home/mnemeth/12volt/12volta.htm
http://www.electronichealing.co.uk/articles/solar_faq.htm
How difficult is it to install and use? This depends on what you buy! We provide kits to take the guesswork out of what components are required in a system, and with these, we provide easy, tried and tested instructions. Simple kits, particularly the mobile power kit and the small boat or caravan kits require little or no installation as they can be connected to a battery via a cigarette-lighter cable. Other kits require very simple wiring. The lighting kit is perhaps the most complex, but remains simple enough to be suitable for school projects. Individual flexible panels have built-in blocking diodes and fuses, but in the framed panels you will need to wire these yourself. If you are not familiar with electrical equipment you may need the services of an electrician - or consider one of our kits. Once installed correctly, PV is very simple to use - simply plug in your appliance. Some customers use their panels for multiple applications, and in some of these cases they need to unplug one connector and replace it with another.
Post last edited on 20/11/2007 14:59:41
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the only silly question is the one you do not ask.
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20/11/2007 at 3:19pm
Location: Hampshire
Outfit: Hymer Nova S
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Acknowledging the data is gleaned from the Caravan Clubs Technical info for members web pages: That might be your best starting point if you are a member, if not I will explain.
If your competent to check for 12 volts using a meter or a bulb on wires here is where to look. If your not competent get somebody who is to check, please!
The date of manufacture when things changed was 31st August 1998.
Now looking into the end of the white or grey 12S plug attached to your caravan, with the little phasing slot at the bottom, i.e. 6 o-clock. You will notice you see 5 pins and 2 tubes.
I will use the term “socket” here for the hollow tubes and “Pin” for the pins with a cross slots in them.
Pre 31st August 1998:
12v+ positive of the battery is on “socket” 2, which is at the 10 o-clock position.
12v – negative of the battery is on “pin” 3, which is at the 8 o-clock position.
Post 31st August 1998:
12v+ positive of the battery is on “pin” 4, which is at the bottom, 6 o-clock position.
12v – negative of the battery is on “pin” 7, which is the very centre of the plug.
As said earlier, with post 1998 vans you could well find some have an isolating relay or diode within the caravans controller will stop you finding 12 volts fed back onto the plug.
That is the case with my van.
Post last edited on 20/11/2007 15:42:12
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