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Author Topic: buying the right wiring-set  (Read 6861 times)
njesper
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« on: May 22, 2006, 04:55:53 pm »

Dear all,

There is a thick cable with alot of cables for electrical stuff connecting three places in the front of the car, and the other end goes UNDER the car (I guess it goes all the way to the engine, but I dont know). It is in really poor condition, and I have seen that simon-auto.de has some "kabelbaume" for sale, for murena 2.2. But I don't know wich is wich.

It says "kabelstrang motor 2.2", "hauptkabelstrang 2.2" and "verbindungskabelstrang".
All three packages are quite expensive, so I don't want to buy the wrong pack according to my needs. Does anybody know what set I should buy?

Furthermore, does anybody have a clear and detailed visualiation, or brochure displaying the the whole electrical cable-diagram, including explanations to what the different cables are for?

Best regards,

Jesper
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Lennart Sorth
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« Reply #1 on: May 22, 2006, 06:08:39 pm »

Sounds like an expensive thing to do - can't you just replace the wires one by one  ?

Someone produced the attached two pictures - sadly I cannot remember who, but whomever it was,  they are great, and I'd like to send a THANKYOU to the author :-)



[attachment deleted by admin]
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Lennart.Sorth@matrasport.dk
Murena 1983 1.9i silver // Alfa Romeo Giulietta 2.0d 2012 white // Smart 4two cdi 2010 blue //
njesper
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« Reply #2 on: May 22, 2006, 06:49:03 pm »

Thank you Lennart,

I'll think about it. Wonderful diagram, I have just found it on another site also.

Thank you for your quick comment.

Best regards,

Jesper
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Anders Dinsen
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« Reply #3 on: May 22, 2006, 08:08:18 pm »

I think the diagrams are from www.espace-murena.com.
This company has everything you need - and in good quality: http://www.vehicle-wiring-products.co.uk/

- Anders
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
njesper
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Posts: 122



« Reply #4 on: May 30, 2006, 11:33:52 pm »

Thanks Lennart and Dinsen,

I have begun to replace the verbindung-kabelstrang (The one going from the front to the rear of the car (goes underneath the car), because there has been a serious shortcut on a grey wire going to the generator. So I have pulled the whole connectionwire out, and I am about to order the new wires for the 18-wires-thick cable. I am a little unshure of how much amps the different wires should be able to withstand, but I have found out that there is one 4mm (red), two 3mm (greys, one of them the melted one), then five 2,5mm, and 10 2mm.

I guess that they are normal wires, so replacing them with thinwall-wires would be a good idea, as long as the thinwalls meet the corresponding amp-limits of old standard cables?

Has anyone replaced wires with the thinwall-ones from v.w.p?

Best regards,
Jesper
« Last Edit: May 31, 2006, 01:07:53 am by Lennart » Logged
Anders Dinsen
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« Reply #5 on: May 31, 2006, 06:07:00 am »

I understand your thoughts, here's my comments. I can't see any reason not to use the thinwall wires instead of the old fashioned ones, I beleive they are better, but I don't know if any one has tried what you are doing - or have used vwp products for it. I have bought some stuff from vwp for my Espace '87. About the size... I think I would go up in size. The additional price is not that high and the extra weight does not really matter, and since it's a French car, I would assume that the electrical system is under-dimensioned. Now is a good chance to remedy that Smiley
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
njesper
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Posts: 122



« Reply #6 on: May 31, 2006, 04:13:36 pm »

So you would choose thicker wires than the original? (example: 3mm thinwall, instead of 2mm standard?)

Would have been nice, if that electrical diagram also mentioned, how much amps that each wire normally received...
Well, you can't win everytime  Grin

Best regards,
Jesper
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Anders Dinsen
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« Reply #7 on: May 31, 2006, 10:48:54 pm »

So you would choose thicker wires than the original? (example: 3mm thinwall, instead of 2mm standard?)

Would have been nice, if that electrical diagram also mentioned, how much amps that each wire normally received...

Yes, I'd choose thicker wires. At least for wires driving any significant current.
You can estimate some currents, e.g. if you have a 55W lamp driven from one of the wires you can calculate:

I = P / V  = 55W / 12V = 4.6A
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
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