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[Andy B]

.......
Hmmm seems it might be easier to just wire it in normally, as per the how-to, just thought it might be easier to just plug it in to the existing socket as it were.

The wiring loom in the back of Loo-Knees' car is made up from various plugs that had the blue/black rear fog bridging wire in them. I already had an OE GM loom with an 8 terminal socket that allowed for switching off the car's rear fogs when you had a caravan plugged in so you don't get blinded from the reflection off the front of the 'van. You get blank looks when you ask at Vauxhall, but it must have been available at sometime.

[Ratty]

And I thought it was gonna be just a case of bolt, connect and drive... I should have known better 

[Andy B]

And I thought it was gonna be just a case of bolt, connect and drive... I should have known better 

Not quite! 

One of these
Smartcom makes your fridge & charging wiring a piece of cake, otherwise you're dragging cables rearwards to the boot from your alternator to switch an ordinary relay.

[Andy H]

I have been following this thread with interest because I will be needing to fit a towbar soon and I would like to do it the 'factory way' if I can.

If I have understood correctly I should find:
1. a prewired socket in the boot (with link plug in for the fog lamps)
2. a 4 pin indicator relay socket with a 3 pin indicator relay fitted
3. a lamp holder in the instrument cluster (wired to the 4 pin indicator relay socket) ready to take a 1.2w warning lamp
4. a socket for a trailer brake failure relay (that is capable of bringing uo a message on the MID).

Am I close? I am thinking that the only awkward items to source would be the trailer brake lamp failure relay and the plug for the prewired socket in the boot.

[Kevin Wood]

The colour codes are on here.. and I was half way through turning them into a howto last week. Now, where did I put it?

This might help in the meanwhile http://www.omegaowners.com/forum/YaBB.pl?num=1190477322/0

Kevin

[Andy B]

I have been following this thread with interest because I will be needing to fit a towbar soon and I would like to do it the 'factory way' if I can.

If I have understood correctly I should find:
1. a prewired socket in the boot (with link plug in for the fog lamps)
2. a 4 pin indicator relay socket with a 3 pin indicator relay fitted
3. a lamp holder in the instrument cluster (wired to the 4 pin indicator relay socket) ready to take a 1.2w warning lamp
4. a socket for a trailer brake failure relay (that is capable of bringing uo a message on the MID).

Am I close? I am thinking that the only awkward items to source would be the trailer brake lamp failure relay and the plug for the prewired socket in the boot.

Yes!
I wouldn't think about the GM loom/plug to plug into your (round) socket, just use the wires to link from - don't use Scotchlocks though    You'd need the 8 connector GM 12N socket to go with it - mine came from Dr O and was one knocking about the workshop from an Astra.
The trailer check control 'relay' part number is above.   

[Andy H]

I have been following this thread with interest because I will be needing to fit a towbar soon and I would like to do it the 'factory way' if I can.

If I have understood correctly I should find:
1. a prewired socket in the boot (with link plug in for the fog lamps)
2. a 4 pin indicator relay socket with a 3 pin indicator relay fitted
3. a lamp holder in the instrument cluster (wired to the 4 pin indicator relay socket) ready to take a 1.2w warning lamp
4. a socket for a trailer brake failure relay (that is capable of bringing uo a message on the MID).

Am I close? I am thinking that the only awkward items to source would be the trailer brake lamp failure relay and the plug for the prewired socket in the boot.

Yes!
I wouldn't think about the GM loom/plug to plug into your (round) socket, just use the wires to link from - don't use Scotchlocks though    You'd need the 8 connector GM 12N socket to go with it - mine came from Dr O and was one knocking about the workshop from an Astra.
The trailer check control 'relay' part number is above.   

90463123 excellent, thank you 

[rustym95]

I have a 230v 780wats ( Not 240v ) lead out for caravan on mine, it's located in the rear pas side wheel well, bloody good keep frige going and the clooks going as well in side, allso charges the bat in caravan.