Towbar electric problem

[Rayman]

Was away with my caravan last week & the fridge didn't work off the car, connected my friends car to the van & it worked. Checked all the fuses on the car that in can find.I use a splitter cable from the 13 pin plug on the car to two 7 pin plugs on the van. My splitter cable is o k as I used that when I connected to my friends car. I checked the 7 pin plug out of the car with the engine running there is only one pin with 12v. pin7 Earth & pin3 has 12v & I think ther should be three. Any ideas. Many thanks Ray.

[buzz]

BMW do not provide a live feed for the fridge. Some after market companies like ph jones splice into the loom so you have power forthe fridge.....

[X5Sport]

BMW do not wire up all the pins.  They also fail to warn owners of that little gem!  I had mine sorted by the Dealer as I ordered a car with 13-pin electrics and nothing in the brochure said it would not be provided with the complete system.

You will need to get a specialist to wire in the missing wires, unless you feel competent to have a try.

Apparently only the UK use the full wiring and BMW chose not to bother.

P F Jones will be able to provide the kit and probably the fitting instructions.  They are a helpful bunch (based in Manchester I think).

[kanewesley]

He needs to buy that "TEC3M" relay I was telling you about X5Sport !!

( see my post . . http://xdrivers.co.uk/forum/index.php/t ... .html 

Rayman......email me and I'll send you a wiring diagram and instructions on how to mod. your car to power fridge while travelling.

I've just found out it's easy,...2 wires, straight across the battery, an inline fuse and a TEC3M relay.

EbAy .... Relay = about £12, plus bit of wire and an inline fuse

Which will power up your fridge when the car is running.

[chrisn7]

It is easy. On later facelift cars, the very last fuse in the boot was not occupied by the self levelling electrics, so is an ideal point to provide a supply to a split relay. You should have 3 earths: pin 3 for all the road lights; pin 11 for the fridge; pin 13 for the live on pin 9. None of these should be joined on the caravan side-each wire must run to an earth point in the car.

[Boatybob1]

Had the same problem. It's not just the fridge, it's also the battery charging. Mine was a Westfalia bar and electrics and was fitted by a Witter agent. When I took it up with them, they fitted the extra wiring for free. This was 5 years ago!

[TimX5]

Contact pfjones and they will supply you with oem electric kit plug and play easy to fit .