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Could somebody explain - at home you have fully got cold your fridge before travelling. How can i keep it cold whilst travelling? And does it charge the battery also

I have a 7 pin contact

You need the extra ( Grey ) plug to operate the fridge and 12v charging circuits

the black 7 pin plug only operates the road lights

if you have a 13 pin plug then the fridge needs to be switched to car when traveling.it will not operate until the engine has reached a set number of high revs. it also keeps the van battery on a trickle charge once your car battery is full.

see

http://uk-trailer-parts.co.uk/wiring-13-pin-euro-plug

Below is the wiring diagram for this plug and socket.

Not all cars with a 13 pin plug have the fridge and battery charging wired up, especially if it is a continental manufacturer. Most continental caravans do not have a battery fitted and some do not have fridges either, so the car manufacturers do not wire the tow bar for these features. You need to check that you are getting power to the relevant pins and that the earth return is connected.

Steve W

my fridge has gas,12v,& 240v settings indicated by symbles ie a flame for gas,a mains plug top for 240v & a battery for 12v. The switch must be set for the 12v/battery position for travelling.  Battery charging is done automaticly when car rev's exceed 1200rpm

the fridge will only maintain tempeture while on 12v so cool the fridge on 240 or gas for several hours befor travelling Or freeze a bottle of milk & some frozen food packs

We also put pre-frozen ice packs in the freezer compartment before travelling.

Regarding the 13-pin socket.  Although our towbar and electrics were fitted by the dealership, the towbar (Westfalia) was supplied by VW, and the fitting/wiring instructions do include the fridge supply.

Bertie. 

Quote: Originally posted by old chap on 26/2/2011

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my fridge has gas,12v,& 240v settings indicated by symbles ie a flame for gas,a mains plug top for 240v & a battery for 12v. The switch must be set for the 12v/battery position for travelling.  Battery charging is done automaticly when car rev's exceed 1200rpm

the fridge will only maintain tempeture while on 12v so cool the fridge on 240 or gas for several hours befor travelling Or freeze a bottle of milk & some frozen food packs

 

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Our fridge is on as soon as the car starts,i leave the 12v switch on and look through the van window to make sure it is on while the car is on tick over.Don't need any revs to make it work.

Andy