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Subject Topic: Bypass Relay Post Reply Post New Topic
PersonJevsie
23/8/2009 at 10:15pm
 Location: Mid Wales
 Outfit: Conqueror 630 SAL View Jevsie's Profile View Profile   Reply to Jevsie Reply   Quote Jevsie Quote  
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Hi

Can anyone tell me if I need a bypass relay on my Vectra SRi 150 Y plate? never knew about one of these until I spoke to my boss. Im just about to fit a towbar!

Thanks


PersonZorro01
29/8/2009 at 1:09pm
 Location: Weegieland Scotland
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What did the Vauxhall dealer say when you asked them ?


PersonJevsie
29/8/2009 at 1:43pm
 Location: Mid Wales
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Where did you read any mention of a Vauxhall dealer?

 


Personandy1kenobe
29/8/2009 at 1:57pm
 Location: Shropshire
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To bypass what?


PersonRogerL
29/8/2009 at 2:18pm
 Location: None Entered
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Maybe!

If it's got "canbus" wiring or "Check Control" you'll definitely need one and even if it doesn't it's the easiest way to power the relays for the caravan road lights.

The good news is that all Vauxhalls have a 9-pin plug hidden behind the rear trim (it's used when Opel fit towing equipment for the German market where it's usual for factory fit, rather than after-market fit as in the UK). This wiring provides the usual 7 in the 12N, plus reversing lights and a red 20amp power supply to operate the relay itself. The red supply circuit won't be live until you add a 20a fuse to the relevant position on the fuseboard. Just use that group of wires, with the plug cut-off to wire up the by-pass relay.


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PersonZorro01
29/8/2009 at 3:22pm
 Location: Weegieland Scotland
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Quote: Originally posted by Jevsie on 29/8/2009

Where did you read any mention of a Vauxhall dealer?

 

That was my point. I think that you will get a better answer from a Vauxhall electrician than you will on here. Unless there happens to be a Vauxhall electrician reading this.

Having said that, RogerL's post makes sense. I'd still want to check it with the workshop manuals though.


PersonVectratot
29/8/2009 at 6:33pm
 Location: DURHAM
 Outfit: Mondeo TItanium 140 Avondale Mayfly 25 View Vectratot's Profile View Profile   Reply to Vectratot Reply   Quote Vectratot Quote  
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I don`t have one on my 2002 Vectra 2.0 DTi "B" it does not need one, I do have a Volton Combi which is for leisure battery charging and for van fridge but only when the engine is running while driving and not when ticking over


PersonJevsie
29/8/2009 at 7:40pm
 Location: Mid Wales
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Thanks for the replies all. Vectralot, did you wire the tow bar yourself then as you know you dont have a relay? I was told I would most likely need one as the console display's bulb faults? would be great news if I dont need one!


PersonRogerL
29/8/2009 at 8:02pm
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You need a warning device to tell you that the trailer indicators are working -or- that they're not working, like recent VWs. The device can be visual or audible - if you want visual you don't have to use the instrument panel space, a simple warning bulb fitted in the lower facia will suffice. The audible can be fitted at the rear of the car where you make the connections to the loom.

I used a 7-way bypass from Towsure - it includes a built-in buzzer.


Personhowarthclan
29/8/2009 at 8:35pm
 Location: Somerset
 Outfit: La Strada Sprinter Campervan View howarthclan's Profile View Profile   Reply to howarthclan Reply   Quote howarthclan Quote  
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A little more info here.

http://www.vauxhallownersnetwork.co.uk/archive/index.php/t-187242.html


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PersonVectratot
30/8/2009 at 8:01am
 Location: DURHAM
 Outfit: Mondeo TItanium 140 Avondale Mayfly 25 View Vectratot's Profile View Profile   Reply to Vectratot Reply   Quote Vectratot Quote  
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I have a warning bleeper in the boot, my display does not have a bulb (meaning car illumination bulbs) failure display. Have a look on www.vvoc.co.uk it`s the Vectra owners club, there are sections on there regarding this subject, you will probably find an answer there



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