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Old 12-11-2014   #1
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Earth strap/lead 2012 3.0

Morning folks,
As the vans now out of warranty, she's decided to play up, occasionally upon start up (95% of time a flick of key and she's running) but occasionally mainly when warm she turns over, coughs, farts and dies and feels like the engine is doing a summersault, maybe twice this happens, then third attempt she fires like a new van.
Had another courier with same yr and engined Ducato say it's the earth lead, dealer thinks it could be, but wants to book her in and charge me for the pleasure most probably.
Have heard earth leads mentioned in past,

Does this seem a plausible diagnosis

And where and how easy is it located and can Baboon hands here replace it without complicated tools/ramps etc
Cheers for any advice,
Neil
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Old 13-11-2014   #2
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Re: Earth strap/lead 2012 3.0

Baboon hands are often doing Ducato repairs where the sign says "Fiat professional service".
I am only familiar with the ground strap on the battery that can be replaced within a few minutes, but I guess Fiat buys the engine ground strap from the same supplier. The crimp tool used on the chassis terminal tends to make a hairline crack that causes current loss.
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Old 13-11-2014   #3
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Re: Earth strap/lead 2012 3.0

I had this problem on a 57 plate 160. I arrived at a customers to deliver something and parked on their gravel drive out in the sticks. When I went to leave, the van would not start. It would turn over and over but not fire up. This had been happening intermitant for about 3 weeks. Luckily I was with the AA and they sent somebody out to me in the middle of nowhere. The mechanic who knew what he was talking about found the problem straight away. The power from the battery was correct but by the time it got to the starter motor it had diminished. It turned out that the braided earth strap was badly corroded. Luckily he had a heavy duty earth strap/lead from a truck that was about 2 foot long. Bolted it on and no problems since. I no longer have that van as I now have the 2014 Ducato 180. Dont know if this one has a braided earth strap but I will check. Good luck.
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Old 13-11-2014   #4
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Re: Earth strap/lead 2012 3.0

Cheers guys, I might just make use of AA (hello my names Neil and I'm a workaholic!) and see if they can sort it lol, my mate had same and AA had a spare strap and solved his, I pay enough for a service I never use
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Old 17-11-2014   #5
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Re: Earth strap/lead 2012 3.0

You will see the earth strap if you look straight down behind the air filter housing. It is only short and comes off the gearbox on to the chassis.

EDIT.........borrowed picture
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Last edited by Techno100; 17-11-2014 at 16:48.
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Old 17-11-2014   #6
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Re: Earth strap/lead 2012 3.0

Cheers Techno 100, will have a peek,
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Old 17-11-2014   #7
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Re: Earth strap/lead 2012 3.0

I too have the failure to re start first go when the engine is hot. I have some 70mm welding cable that I will fit this week, it should be less prone to corrosion being insulated.
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Old 19-11-2014   #8
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Re: Earth strap/lead 2012 3.0

I've done mine today but I won't be having a run for a few weeks so don't know if it will cure the hot start. I did ten starts in a row and all fired on a quick count of 3 with no hesitation. I'll reply again later.
The old earth
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Old 19-11-2014   #9
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Re: Earth strap/lead 2012 3.0

How easy was it to do mate? Can baboon hands here manage it without removing the engine or needing a ramp! Lol
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Old 19-11-2014   #10
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Re: Earth strap/lead 2012 3.0

And is yours a 3.0 euro 5? Just wondering if it's same strap/length if not
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Old 19-11-2014   #11
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Re: Earth strap/lead 2012 3.0

Mine is 2008 3.0 litre. I cannot see yours being different but there is no harm in using a longer length
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Old 30-11-2014   #12
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Re: Earth strap/lead 2012 3.0

Would 9 gauge battery jump lead cable work as a replacement/supplement earth. Mine is 2007 2.3. Cheers
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Old 30-11-2014   #13
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Re: Earth strap/lead 2012 3.0

Absolutely no idea what "9 gauge" represents
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Old 01-12-2014   #14
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Re: Earth strap/lead 2012 3.0

Quote Originally Posted by Techno100 View Post
Absolutely no idea what "9 gauge" represents
Its 30mm cable. Would it do the job?
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Old 01-12-2014   #15
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Re: Earth strap/lead 2012 3.0

Try it and see.
In my experience jump leads are often poor quality copper or even copper plated as they get used rarely. You also need to terminate whatever you might use with correctly done crimp lugs. Have you got the means to do that?
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