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Fitting Econoseal connectors


BigCol

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I have just fitted some third-party rear LED lights to my 7 and terminated the wires with Econoseal connectors to match those of the OEM lights.

It’s been a while since I fitted any of these connectors so I had to “relearn” how to! 

Initially I wrote this as an aide memoir of what I had forgotten last time (and would probably again!) but thought it might be a useful guide for anyone doing this for a first time (how can this become a Technical Guide?)

 

I use a specialised Econoseal crimp tool like this one and also sourced the connectors from Polevolt.

The Econoseal connector consists of four parts - wire seal, connector pin, connector body and yellow seal.

 

This is what you do…

put any necessary grommets on cable

strip cable outer so ~25-40mm of wire shows

put wire seals on wires - wider bit on first

strip ~4mm of insulation from each wire

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move wire seal up so it is by the end of the insulation 

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squeeze outer tangs of connector pin so roughly parallel, this enables it to sit in the tool better

IMG_3506.jpeg.8e4278ff43aff50b58f681e02a82a149.jpeg

put connector pin into crimp tool - the tangs should be within the tool and connector pin emerging to the right

squeeze crimp tool so connector pin is just held

IMG_3507.thumb.jpeg.0a48a6f3ecadd4b2dd0ed32f56c62180.jpeg

holding crimp tool in right hand, insert wire so small diameter bit of wire seal is within the connector pin (no photo as I only have two hands!)

squeeze tool until ratchet releases

connector pin’s tangs should neatly grip the wire seal and the uninsulated bit of wire

IMG_3510.thumb.jpeg.001a6d0c712d54c830871389e9364c57.jpeg

insert the connector pin into connector body with the crimped bit away from the lumpy bit on the connector body (or with the plain bit facing the lumpy bit if you prefer)

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the connector pin should click softly in place with the wire seal sealing the back of connector

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might need some minor fettling so connector pins align

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insert yellow seal bit so it clicks in place  (no photo! 🤦🏻‍♂️)

sorted - job’s a good un!

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Nice work.

7 minutes ago, BigCol said:

Initially I wrote this as an aide memoir of what I had forgotten last time (and would probably again!) but thought it might be a useful guide for anyone doing this for a first time (how can this become a Technical Guide?)

I'll make sure that it's brought up in the discussions about technical documentation.

Jonathan

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The guide has materialised at the perfect time for me. I have just received a set of de- pinning tools from the internet and I’m about to fit carbon indicator pods at the sharp end. Then when this has been done attempt something similar with my Caterham led rear lights. The idea is to fit rubber grommets to seal the holes in the rear wings where the cable passes through.

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6 minutes ago, Ralph45 said:

I have just received a set of de- pinning tools…

A very thin, guess 1, maybe 2mm, wide tool inserted here along the edge of the connector pin will release it and it can be pulled out undamaged.

IMG_3512.jpeg.92e0ec37f263cbeac4822d0ab7c2f7b1.jpeg

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The crimping tool I use, from Polevolt who also supply the connectors, is linked in the first post.

I got a set of car terminal de-pinning tools (various shapes and sizes on a key-ring) from Amazon.  The ones I bought are no longer available but there’s a wide choice there or on eBay.

IMG_3518.thumb.jpeg.b2661a95aca57a047355e52243cabb08.jpeg

 

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Last time I fitted Econoseal connectors, I bought spare set of ten of each of connector pins, female equivalents and wire seals just as contingency.  

Was glad I did!  

Given they’re <£4 between them, would recommend you do too for the peace of mind! 

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On 17/03/2024 at 22:31, BigCol said:

... I bought spare set of ten of each of connector pins, female equivalents and wire seals...

Oh yes.  Those bits have a permanent home in my touring kit.  

Great effort, BigCol.  Look forward to seeing it as a formal Guide.

Re de-pinning tools, I use a thin jewellers' screwdriver from a kit like this.  (Other brands are available.)

JV

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Thanks for doing this useful guide...
I have converted it to a technical guide and added it here...

We are working to update the technical guides section. It needs an update and refresh.

More contributions are very welcome

Simon

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  • 4 weeks later...

Does anyone know if you can mix and match between the two types of Econoseal Series: Econoseal III .070 and Econoseal J series? All the parts on my Caterham, including the new LED taillights are the Econoseal III .070 series. But I thought I'd check. The reason I ask is that the J series seems to be much more readily available in online stores, vs larger electrical - automotive wholesale / component sellers.

https://www.mouser.com/pdfdocs/ENG_CS_1654365_Econoseal_0911-2.PDF

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  • 5 weeks later...

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