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Tow bar electrics Gen 4

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25 Sep 2022 19:11 #245110 by lightning
Tow bar electrics Gen 4 was created by lightning
l got my tow bar second hand and there were either no instructions or l've lost them.

I fitted the tow bar and wiring harness but there's a two pin connector left over on the tow bar harness.

l've looked on Youtube for videos showing how to install the wiring and it only says that the connector is for "specific caravan applications"

As we want to be able to tow our small caravan with the Jimny, can anyone tell me what l need to do with this connector? The wires look to be heavy gauge so l assume it's some sort of power feed.

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26 Sep 2022 03:21 #245116 by Lambert
Replied by Lambert on topic Tow bar electrics Gen 4
I take it there's not an obvious connection near where your spare wires terminate? Not having a 4 I can't be much help.
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One of the last 200ish of the gen3s, probably.
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26 Sep 2022 08:24 #245119 by lightning
Replied by lightning on topic Tow bar electrics Gen 4
 

lt's this connector there doesn't seem to be anything to attach it to.
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26 Sep 2022 11:57 #245121 by DrRobin
Replied by DrRobin on topic Tow bar electrics Gen 4
How many pins has the tow bar connector 7 or 13?

The following guide shows the wiring of both.

www.witter-towbars.co.uk/knowledge-hub/t...the-definitive-guide

If you have a 13 pin socket then it wil be for permanent power, but the 7 pin only have lights, indicators, brake and fog. Unless of course you have two sockets on the back, the additional for power?

Robin
2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
Northumberland Jimny Blog

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26 Sep 2022 11:58 #245122 by facade
Replied by facade on topic Tow bar electrics Gen 4
At a guess it is the power feed for the 'fridge & battery charge.
On my gen 4 there is a wire that goes all the way to the fuse box and has one of those "bodg'em up" piggy back fuse connectors (so the lid now lives in the glovebox, along with anything else that falls off ;)
If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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26 Sep 2022 18:22 #245138 by lightning
Replied by lightning on topic Tow bar electrics Gen 4
lt's got a 13 pin socket.

It's also got the wire to the fuse box. l've connected the caravan and the ATC & fridge don't work so it must be a permanent and switched live feed.
The following user(s) said Thank You: jossbatey

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26 Sep 2022 19:16 #245139 by DrRobin
Replied by DrRobin on topic Tow bar electrics Gen 4
Yes, it sounds like it needs a permanent live (through a fuse).
2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
Northumberland Jimny Blog

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21 Apr 2024 09:40 #255712 by jossbatey
Replied by jossbatey on topic Tow bar electrics Gen 4
Does anyone have a wiring harness part number to add the permanent and switched 12v supply to the 13 pin wiring harness (9921U-78R00-000)?

I hope that makes sense...

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23 Apr 2024 17:22 - 23 Apr 2024 17:23 #255750 by lightning
Replied by lightning on topic Tow bar electrics Gen 4
Yes l could do with that part as well, as l never did anything about the lack of a 12v feed to the electrical connector.
Last edit: 23 Apr 2024 17:23 by lightning.

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13 May 2024 12:19 #255939 by ajsms999
Replied by ajsms999 on topic Tow bar electrics Gen 4


Hello Everyone,I have a spare Jimny JB74 towbar wiring harness.

Let me know if its any good for you.

Thanks
Andrew
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19 Jun 2024 14:05 #256350 by Farmer
Replied by Farmer on topic Tow bar electrics Gen 4
Hi Andrew
Do you still have the harness , also looking for a tow bar
Kind regards
Ben

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20 Jun 2024 17:08 #256365 by Farmer
Replied by Farmer on topic Tow bar electrics Gen 4
Hi Andrew
Do you still have the harness.
All the best
Ben

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