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25/8/2015 at 5:20pm
Location: lancashire
Outfit: elddis firestorm 505----VW Passat tdi
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checking my 12s system with a test socket ,all was fine, but i noticed that my permanent live light was on with the engine stopped, i started the engine and the light went out fridge and earths fine--not sure if this is correct----my van is a 2000 lunar
rob
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Rob
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25/8/2015 at 8:12pm
Location: West country
Outfit: Mondeo
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If you mean Pin 4, I think this is correct. It should run the caravan lighting, pump etc when the engine is not running but not when it is running.
If you leave the 12S plug in the car socket, it will run on the car battery and not the caravan battery.
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27/8/2015 at 8:25pm
Location: lancashire
Outfit: elddis firestorm 505----VW Passat tdi
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ok so when the car's engine is running how does it charge the caravan battery, if the green wire is live feed and red wire is fridge plus black and white earths there is no other wire to carry the current to the battery???
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Rob
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27/8/2015 at 11:38pm
Location: Lichfield
Outfit: Coachman Amara 450
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Do you have the twin 12N & 12S sockets fitted or a single 13 pin socket with the 12S circuit incorporated?
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29/8/2015 at 9:49pm
Location: West country
Outfit: Mondeo
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Pin 4 is inside lights etc and battery charging. There should be a habitation relay in the caravan which senses if the engine is running. If it is battery charges, if not lights work.
Pin 6 is fridge which only works when the engine is running an that is sensed by a relay in the car.
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30/8/2015 at 11:24pm
Location: lancashire
Outfit: elddis firestorm 505----VW Passat tdi
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Twin 12s and 12n
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Rob
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31/8/2015 at 6:27am
Location:
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Quote: Originally posted by milliemop on 27/8/2015ok so when the car's engine is running how does it charge the caravan battery, if the green wire is live feed and red wire is fridge plus black and white earths there is no other wire to carry the current to the battery???
The caravan relay does it, there is no battery connected when the test circuit is plugged In so there is no relay to close and charge the battery.
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01/9/2015 at 8:24am
Location: lancashire
Outfit: elddis firestorm 505----VW Passat tdi
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got it
many thanks
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Rob
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Topic: 12s electrics
