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[polilara]

Hello, wanted to up-to-date my "Towing Connector" from seven pins to thirteen pins. So what I need is 12V when engine running. Some kind of relay connection  but where to find rtigger for relay (W-pin in alternator?) or does Omega have somewhere in boot that kind of 12V ready?

[Doctor Gollum]

You could just use an adapter...

Basically you'll need to rewire your existing set up from scratch.

There may have been a plug in the boot, under the sill plate/in the rear panel on the estate, not sure on the saloon but presumably in a similar place... Square black plug iirc.

Obviously what's there and useable depends entirely on how well or badly the existing wiring was done

[polilara]

Thanks DG, wiring was done in Opel Factory in 2001 so presumably well done. Used the adapter so far bur want to get  pin 9 to charge mobile home battery and even more important pin 10 to get refrigerator work with 12V during towing. I want to get Ice Cold Beer  when I am in destination. I take a look...

[Doctor Gollum]

There's an additional official kit for adding the extra trailer socket to the old school wiring. This could presumably be added and the two sockets replaced with one 13 pin connector 

I may have a box with the partial kit at home to give an idea of a part number...

Will check when I next get home

[polilara]

Thanks DG, that would be nice. I did not check the boot yet. Been busy in the garden as She wants to plant flowers etc...

[polilara]

This is what I found from my boot. I red somewhere below that the red wire is hot coming from fuse 29. So I perhaps need some kind of plug as DG informed. Hope he is coming home soon...

https://www.omegaowners.com/forum/index.php?topic=85866.0

[polilara]

Measured red one from vehicle harness side. It is 12V, Towbar side is empty. I took fuse 29 away and rew wire is still 12V. So it is coming somewhere else than No. 29, top row fourth from right. Any idea where it is coming?

[polilara]

https://www.omegaowners.com/forum/index.php?topic=85812.0

Sorry  wrong link, this is the right one, still do not know which fuse is feeding the red one in boot.

[polilara]

Found it, Fuse No. 5. Front seats adjustment.