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post #1 of 7 (permalink) Old 30-01-2017, 20:35 Thread Starter
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Bessacarr 494 tow bar electrics

Hello all,
I have just received the tow bar for my 494 and have a question about the electrics that came with it. There are 3 white plastic connectors on it, 1(the square one) fits into a pre fitted control box under the rear bed where it is marked trailer.


But what are the other 2 for as there is no ware for them to fit and also there is a white earth cable!. There were no wiring diagrams so I thought I would ask for advice.


I have attached 2 photos which I hope will help.


Cheers for any help given,


Baz............................................... .......
Attached Images
File Type: jpg WP_20170130_004.jpg (512.2 KB, 10 views)
File Type: jpg WP_20170130_003.jpg (330.0 KB, 13 views)

Last edited by bazzal; 30-01-2017 at 20:49.
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post #2 of 7 (permalink) Old 31-01-2017, 12:46
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post #3 of 7 (permalink) Old 31-01-2017, 13:42
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As you have a pre fitted control box for the tow bar electrics. The rest may well be for those that have not.Test it and see if all works.I would imagine that the White wire is an earth.

Don't be silly all the time ask your question.
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post #4 of 7 (permalink) Old 01-02-2017, 16:00
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Modern electrics have 13 feeds, if there is that many in the single connector then I dont think you have an issue.

It may well be that the same loom is designed to fit a variety of vehicles so the other connectors may be redundant for yours.

Have you asked the supplier ??????

Andy

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post #5 of 7 (permalink) Old 02-02-2017, 20:08 Thread Starter
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Cheers Andy,


I have asked but they were not sure. I have bought an adaptor which takes the 13 pin socket down to a 7 pin as my trailer is 7 pin.
Tried it today and yes the 2 thinner connectors are for something that may need power in what your towing. Plugged the square connector into the control box (pre fitted) and it works. The earth(white) wire needs to be grounded to the chassis to make the system work correctly.


Thanks again for your input,


Baz.......................................
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post #6 of 7 (permalink) Old 02-02-2017, 20:55
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Glad to assist.

The one thing I cannot understand on caravan electrics is why the earth colour is white. On every other vehicle I have ever come across earth is ALWAYS black!

Andy

Its not the destination that matters.

It's who you share the journey with (even if like me, itís in a caravan!)
I am very fortunate to have Mrs Plodd to share mine with
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post #7 of 7 (permalink) Old 02-02-2017, 21:15
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well I have often come across various colours for an earth Andy, beginning with the very early Datsun's.) their wiring looms were a nightmare they changed colour halfway round, the front loom never matched the inner one. But seriously White is the easiest colour to find in inclement weather under a vehicle.Glad all ready to use the tow bar now then Baz.this may help.

https://images.search.yahoo.com/sear...g&action=click

Don't be silly all the time ask your question.

Last edited by cabby; 02-02-2017 at 21:29.
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