, we are selling our lunar [stellar] ,previous vans have also been lunar, and towing with a Kia [sportage currently] the person buying has an Audi, with a Tow sure bar and twin electrics ,fitted in May of '22, the stellar has[originally a 13 pin outlet], we have put on a seven pin adapter to fit our vehicle and no problems, tested it out on Sunday prior to the van's collection and all was working fine,.. The Audi has a 7 pin plug, but there is no electrical contact between her car and the van when we have hitched up, she has spoken to her fitter he has told her that there are specific wiring from one vehicle manufacture to another and she needs hers adapted to suit the Stellar, now i may not be the brightest on the planet but i would have thought that tow vehicle wiring would be specific to caravan manufacturers ,who i would have thought would all be the same wiring diagram across the board.... yes or no?
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Quote: Originally posted by marg6 on 16/1/2023
her fitter is talking a complete load of rubbish! she has a problem that needs fixing by someone competant.
Totally agree. 7 pin connections are standard, and not specific to any particular car. If it doesn't work, the car has a problem.
I agree that 7 pin connections are standard but if there is no electrical contact at the vehicle towing socket then the first place to look is for a blown fuse. However, a quick check to confirm any faults is to use a 7 pin tester as shown in the photo.
That is definitely a fitter to be avoided. The wiring should follow a set standard common to all vehicles and trailers.
The only thing we discovered with our Coachman, they had used a somewhat unusual colour coded cable. Perhaps there was a shortage of cable at the time of manufacture. Nevertheless, the pin connections were standard, just needed a little interpretation of coding.
Some cars need the towbar electrics programming to the car after fitting.
When we had one of our Kias swapped from 2 sockets to a 13 pin they were doing a new Mercedes. The owner said it would go to the dealer for it to be done.
It could of course be a fuse or the wiring not done correctly at the car.
Modern cars have databus systems so you cannot splice wires in as in the old days!
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Topic: hitch up electrics
via mobile 17/1/2023 at 11:02am
sorted!Nice simple fix.
