Poor quality crimping ? (4 Viewers)

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Jun 20, 2023
207
103
Funster No
96,807
MH
planning one…
Not having much luck atm.
Asked a mobile ‘specialist’ (lots of +ve reviews on FB, which are real) to do some additions to electrics.
Had a look properly today and saw this..
I’ve only dabbled with crimping before but this looks poor to me.
I’m learning to always check carefully what people have done before they leave…
View attachment 954006
 
OP
OP
I
Jun 20, 2023
207
103
Funster No
96,807
MH
planning one…
IMG_1012.jpeg
 
Jan 22, 2017
557
2,271
Bristol
Funster No
47,006
MH
DAF LF Conversion
Exp
Since 2013
Pull on the wires and see what happens...

You probably should get him back.

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Jan 22, 2013
1,358
75,318
London SE
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24,385
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A class Adria vision I707
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since 1971
Buy a hydraulic crimping tool with properly sized terminals for your wire size with again sized heat shrink and do the job yourself, it would still work out cheaper then getting someone in,
 

bigtwin

LIFE MEMBER
Oct 29, 2009
5,728
11,002
Derby
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9,111
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Concorde
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Since 2006
That looks to be a really shoddy job. It may be the angle that the photo has been taken from but that seriously looks as though it needs a protective insulating boot over the battery post. However, with all those crimp connections on there that could be a challenge.

I would not be happy with that job.

Ian
 
Apr 26, 2015
3,351
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Ottershaw
Funster No
36,067
MH
Hymer S820
Exp
First motorhome May 2021
That is really amateur job, I wouldn't call him back, i'd send him that photo and ask for your money back. I don't know where you are but if you can get to them i'd ask Offgrid Power Solutions to do the job properly for you and if there's space fit a positive bus bar. They are very helpful and it shouldn't be much work perhaps pm RogerIvy and ask.
 
Feb 16, 2020
2,652
3,668
KT15.
Funster No
68,772
MH
Sunlight. T66. 2019.
Exp
Absolute beginners.
This is the best picture I have on file,it shows the plastic cover removed and put to one side in the passengers foot space.The plate sits immediately above the battery,thus insulating the seat base. This plate in no way excuses the shoddy cable work shown in the O.P.s original photo.
Obviously, the O.P. would need to remove the seat again to achieve a more reliable and professional finished job. Anti theft , extremes. .jpg
Mike.
 
Sep 17, 2017
6,236
11,913
Birmingham, UK
Funster No
50,575
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A-Class
Exp
2017
Even my DIY electrics are better than that. I bet they wouldn't survive a yank test. And I agree with others, I'd be very itchy about that positive terminal being that close to metalwork. Go over a big bump, arrive at the destination and wonder why your electrics don't work.
 
Sep 10, 2012
2,289
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worcester
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22,842
MH
Sunliving van
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2012
ianto999 i would concur with most of what's written above. It certainly does not look like a very professional job.
I would give each wire the 'yank' test to see if you can pull them out just to make sure they are secure. If ok then find something non - conductive/flammable to make a cover to fix over the top.
At least that should keep it safe until you can get it redone.
Check the other ends of those wires as well because I doubt they are any better.
 
Nov 6, 2013
1,443
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S. Ayrshire
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28,914
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The usual
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Since the beginning
As others have (rightly) said - those have been "crimped" with a pair of pliers.
Additionally, the terminal isn't tight - towards the stack of crimps.

What are those cables feeding ? If he doesn't know how to crimp, there's a good chance he doesn't know how to calculate cable sizes.
 
Sep 17, 2017
6,236
11,913
Birmingham, UK
Funster No
50,575
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A-Class
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2017
PXL_20220109_134316167.jpg
Rather than have a mess of wires coming off the positive terminal, a neater solution is one of these. One main fuse, then sub-fuses for hab load (only thing connected when I took the photo), solar, mains charger and B2B.

And yes, the wiring in my German van has a black wire for positive (negative is brown). And I've confused things by using red and black. 😋

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OP
OP
I
Jun 20, 2023
207
103
Funster No
96,807
MH
planning one…
Thanks for sharing my pain. Makes me feel better to know I’m right to be disappointed.

He also wired some MC4 connectors the wrong way..I’ve redone those myself and changed them to Anderson. Taught myself crimping for those, and will do the same for these.

I honestly don’t think I could bear to have him back.

The cables aren’t being used for loads atm, and won’t be until sorted/removed. Current cable into a cigarette lighter end. This was meant to be an interim measure until proper bus bar fitted, for starlink power supply etc. Had planned to do this with eventual change to lithium.
I was trying to avoid tapping into the van EBL so as not to risk warranty rejection if it failed, but will also give that more consideration.
I think an EBL 227 needs a different type of connector (and presumably another crimper to add to my collection…)
If anyone pondering a mobile tech in Scotland, message me and I will let you know who he is.
 
Dec 2, 2019
4,684
10,428
South Lincolnshire
Funster No
67,140
MH
Rapido 7065+
Exp
Broken most bits now
View attachment 954119Rather than have a mess of wires coming off the positive terminal, a neater solution is one of these. One main fuse, then sub-fuses for hab load (only thing connected when I took the photo), solar, mains charger and B2B.

And yes, the wiring in my German van has a black wire for positive (negative is brown). And I've confused things by using red and black. 😋
Those terminals look very close to the negative floorpan 😱
 
Feb 27, 2011
15,212
80,541
UK
Funster No
15,452
MH
Self Build
Exp
Since 2005
Buy a hydraulic crimping tool with properly sized terminals for your wire size with again sized heat shrink and do the job yourself, it would still work out cheaper then getting someone in,
I would avoid hydraulic ones they are hit and miss unless you buy an expensive branded one.

For those yellow crimps a proper ratcheting one off ebay/amazon will do a much better job. (6mm²)

For bigger (10mm²) then a long arm manual one that can handle up to 50mm² is good. Apparently can even handle 70mm2 as I have found you always end up using the next size down to get a great crimp.

Those links are for very similar ones to the ones I have and I am extremely happy with them. I tried the links to the ones I had ordered but the seller is no longer active on Amazon, these look the same though.

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