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Dedicated Or Bypass Electrics


Bigbox
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Hi there all knowledgeable peeps, I've recently purchased both a new car and my very first caravan. The car is a Vauxhall insignia 2. 0 Lt and the van is a swift cappuccino (lovely little thing it is :D).

My question is do I go for Dedicated or bypass electrics as I have no clue what to buy?

 

Regards Ady

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The advice I was given for my FL2 was dedicated for an automatic and bypass for a manual. Having a dedicated electrics was something to do with the software for an automatic.

 

I am not an expert on the subject but am sure someone will be along with more expert advice and Welcome to the Forum. .

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Hi Bigbox. I too have an Insignia (automatic). I had the towbar & electrics fitted by my local Vauxhall dealer. From memory, they had a right game getting the electrics to work properly - they had to order & fit some sort of box from Vx to solve it.

2007 Bailey Pageant Burgundy S6. 2009 Insignia Elite 2. 0 petrol turbo 4x4 - pulls like a train but guzzles juice!

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Go for dedicated for the Insignia a local towbar specialist advised me to do that if I had one fitted by him last year. He couldn't get hold of the software updates for the car so it would have had to go to vauxhall for that even though he fits all of the dealer fitted bars for them. Check that the fitter has the updates for your car, not sure which model you have but trailer stability,sat nav and engine management / gearbox systems were updated by Vauxhall when I had mine fitted from the manufacturer

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I think it's best to go with dedicated wiring as well, especially from a warranty point of view, it anything goes wrong electrically and there's a bypass involved its likely the dealer will just blame that.

On the antara we had to so the self levelling suspension and and what not would work properly but also it sorts out the parking sensors and rear foglight, I think with a new car it's worth the expense

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I'd agree with other's who recommend dedicated electrics.

 

I had a Ford detachable towbar, and electrics, fitted to my 59 reg Mondeo. It turns off the reversing sensors when the towbar is fitted and 'van is hitched, but leaves the front sensors still working.

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I had the non dedicated system fitted to my 11 plate insignia, 3 years ago. It was fitted by Newport city supplies along with the tow sure tow bar for just under 300.£.

 

All the wiring was scotch locked on the existing wiring, with a pct controller for all the caravan electrics, excluding the road lights.

 

The only issue the engineer had fitting was from the stupid lights inside the tailgate ( sorry it is an estate ) which only come on when the tail is open, so the caravan lights would work when the tail was up, but stopped working when it was shut, this took about 30 mins of head scratching before he Sussed it out!

 

Wouldn't even consider dealer, after I was charged nearly £60 to get my plug n play dedicated electrics to work on my previous vectra, which involved pushing a 30 amp fuse into the fuse box

Edited by Hopes Dad
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Dedicated electrics every time, wouldn't consider cheapo wiring with scotch locks as there not reliable and through time give earthing problems

2022 Pilote P696GJ for European touring-  2022 Coachman VIP 565 for touring the UK towed by a 2022 Skoda kodiaq Sportline 4x4 dsg 200PS

 

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Sorry but scotch locks are perfectly ok used by a professional, I've had them on my last six tow cars except my last Xtrail, and to date have never had a caravan lighting problem.

 

I would go for the dedicated kit if you have trailer assist or similar, but such as the CX-5 which doesn't need any coding it's difficult to see how another £100 plus can be justified.

 

The fridge and ATC/charger is usually wired separately anyway to any dedicated kit.

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Dedicated electrics every time, wouldn't consider cheapo wiring with scotch locks as there not reliable and through time give earthing problems

Genuine scotch locks are fine and none of them will give you 'earthing' problems.

 

Ap

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Hi Dave, I did actually call PF jones late this afternoon they said that unless the car was still under warranty then it wasn't worth paying the extra for dedicated wiring. ... Towsure were also of the same opinion. ..

But going by the reaction here it has to be dedicated all the way. ..

Many thanks also to all that have replied so far & to those who have yet comment. ..

 

Regards Ady

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Just had dedicated fitted to my E Class - the E Class has LED lights, and say's that fitting by-pass is had to do, with lack of current.

 

Dedicated has to be coded into the car - took less than 2 hours to fit bar and elecs. (fitted by North West TowBar's - they put two lads onto it, as i had traveled a few hours to see them!)

 

Dedicated elecs advantages - knows there's a caravan on the back, and will not put the rear parking sensors on - or display fog light on the car, but will on the trailer - activates any of the car's trailer control systems (if fitted)

Al.

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As said dedicated for warranty reasons and also the vehicles safety systems.

 

Dave

Jeep Commander 3. 0 V6 CRD

Isuzu D- Max Utah Auto

Elddis Crusader Storm 2000 Kgs, Unipart Royal Atlas Mover .

 

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Thanks very much guys for all your feedback.

 

Car is now booked in to be fitted with shiny new tow bar and DEDICATED Electrics, just have to find something to do around Lincoln for about 4Hrs next Tuesday. ..

 

Regards Ady

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Thanks very much guys for all your feedback.

 

Car is now booked in to be fitted with shiny new tow bar and DEDICATED Electrics, just have to find something to do around Lincoln for about 4Hrs next Tuesday. ..

 

Regards Ady

The cathedral is well worth a look round, go to mrs browns pie shop for lunch on steep hill and you'll be done.

 

Ap

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If you are using Portland Towing ? 5 mins walk towards town there's 3 retail parks with various shops,pub, Morrisons supermarket have a cafe then you are on the high street.

Edited by dave11a
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Genuine scotch locks are fine and none of them will give you 'earthing' problems.

 

Ap

Disagree ! I had genuine scotch locks used on the wiring on a brand new Passat diesel by a very well known tow bar company and they FAILED within 12 weeks causing earthing and relay problems while away on holiday .

Dedicated wiring every time regardless of the cost

Edited by Foghorn Leghorn

2022 Pilote P696GJ for European touring-  2022 Coachman VIP 565 for touring the UK towed by a 2022 Skoda kodiaq Sportline 4x4 dsg 200PS

 

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Disagree ! I had genuine scotch locks used on the wiring on a brand new Passat diesel by a very well known tow bar company and they FAILED within 12 weeks causing earthing and relay problems while away on holiday .

Dedicated wiring every time regardless of the cost

Any failure would be due to the fitter, not the connector otherwise we would all be having problems.
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When I put reverse sensors on my X/T I had trouble with scotch-locks, I cut the cable and used spade crimps.

No trouble since

2012 Honda CRV 2 litre towing 2003 Lunar Clubman 475/2

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Disagree ! I had genuine scotch locks used on the wiring on a brand new Passat diesel by a very well known tow bar company and they FAILED within 12 weeks causing earthing and relay problems while away on holiday .

Dedicated wiring every time regardless of the cost

The connectors may well have failed, I'd be very surprised if they were genuine scotch locks however they would not have caused 'earthing' problems, it simply wouldn't happen. What symptoms did you get?

When I put reverse sensors on my X/T I had trouble with scotch-locks, I cut the cable and used spade crimps.

No trouble since

That's excellent news, when I wired the tow bars on my Ford Capri, Morris Marina, Ford Escort, Vauxhall Chevette, Triumph Dolomite, Hillman Avenger, Rover 827, ford Galaxy, Merc Sprinter and Audi Allroad I have used scotch locks and never had a problem, strange that don't you think?

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The connectors may well have failed, I'd be very surprised if they were genuine scotch locks however they would not have caused 'earthing' problems, it simply wouldn't happen. What symptoms did you get?

 

 

Stop lights and indicators on the caravan coming on the same time and the smart relay constantly opening and closing due to bad connection's .

Perhaps your happy with Scotch locks but this was my one and only experience with them as I would normally only use genuine dedicated plug in wiring kits but on this occasion I didn't .

I had to have the tow bar rewired by VW whilst on holiday and all because I decided to save a few quid by not having dedicated plug in wiring loom . Never Again :angry: :angry:

Edited by Foghorn Leghorn

2022 Pilote P696GJ for European touring-  2022 Coachman VIP 565 for touring the UK towed by a 2022 Skoda kodiaq Sportline 4x4 dsg 200PS

 

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Stop lights and indicators coming on the same time and the smart relay constantly opening and closing due to bad connection's .

 

That I can see but it doesn't fit your description of 'earthing'. The above symptoms are caused by a bad connection.

 

Perhaps your happy with Scotch locks but this was my one and only experience with them as I would normally only use genuine dedicated plug in wiring kits but on this occasion I didn't .

There the cheap option compared to genuine wiring and there never going to be as good

I agree that dedicated wiring is best, especially on modern cars. What many people fail to understand is that there are different sizes of scotch locks to suit different sizes of cable, correct choice is critical. The installation of the has to be done correctly too, most people will use pliers, this isn't ideal, they force the blade into the cables at an angle.

 

I do feel they get a bad press which is somewhat unjustified.

 

Ap

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That I can see but it doesn't fit your description of 'earthing'. The above symptoms are caused by a bad connection.

 

 

I agree that dedicated wiring is best, especially on modern cars. What many people fail to understand is that there are different sizes of scotch locks to suit different sizes of cable, correct choice is critical. The installation of the has to be done correctly too, most people will use pliers, this isn't ideal, they force the blade into the cables at an angle.

 

I do feel they get a bad press which is somewhat unjustified.

 

Ap

Perhaps so but this my experience and I wont allow them to be used in any of my tow cars after the carry on I had whilst on holiday

2022 Pilote P696GJ for European touring-  2022 Coachman VIP 565 for touring the UK towed by a 2022 Skoda kodiaq Sportline 4x4 dsg 200PS

 

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