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zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

2011 Defender 110 Puma 2.4 X-Tech LE Nara Bronze

Winch wiring question: mass connect

I've installed a winch and everything is fine except...

Used gwynn-lewis 50mm2 cables and a 1000A switch instead of the original stuff that came with the winch.
I'm having trouble connecting the mass wire as the battery clamp does not allow me to connect it, without having a loose battery clamp.
Cannot replace the clamp, as the main car wire is integrated direcly into the clamp. Is this the wire from the starter? If I disconnect that, my alarm goes off.

However I do have a dual battery setup and I see a wire connecting the two masses. I think it is a 30cm 35mm2 or 25mm2 cable.

I'm wondering how others solved that issue. Can i connect the winch mass to the second battery mass instead, or will that overheat the connecting thinner mass wire? Is there another safe solution?

30th Sep 2018 10:25am

Devon-Rover

Member Since: 22 Jan 2015
Location: South Devon
Posts: 914

2014 Defender 110 Puma 2.2 USW Aintree Green

I would strongly recommend using the main battery as the one to connect the winch too as it isn't just the wiring but the split charge relay is going to have to deal with the extra load too, rather than sharing it when connected to the main.

When I have installed split charge in the past I have used 4 Post type terminals http://www.simplysplitcharge.co.uk/store/1...inals.html and then used eye terminals http://www.vehicle-wiring-products.eu/prod...-terminals to connect from post to post on the batteries. For the integrated wire you mention on the positive (red) then yes there is a starter as well as a main feed I have removed the OE fixings and again put eye terminals on them so they fit onto the new post terminals.

If you put the key in the ignition to position one (So the radio works etc) then off and remove the main red connector within 15 seconds the alarm will not sound.

This way you can connect the OE vehicle feeds and the winch mass wires too and from the battery terminals easily Also can be found on Fb, Ytube, Insta & Twitter @4WDSouthwest

30th Sep 2018 7:47pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8010

2011 Defender 110 Puma 2.4 USW Stornoway Grey

As above I would remove the vehicle original fitments and the feeds coming in and put them straight to the main battery terminal with your winch positive Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

30th Sep 2018 8:57pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20302

Is this photo any help at all?

Click image to enlarge ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️

30th Sep 2018 10:55pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

Sorry, but all the suggesties require me to spend lots of time searching someone who can do this, which I would like to avoid.

I think I found a solution: as I can weld, I' m gonna make something like this
https://www.ebay.com/itm/Xscorpion-GM-Long...2828889512

Using a long nut and a bolt and drill one end conical.

1st Oct 2018 10:56am

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8010

After, I disagree, my suggestion requires a hacksaw, a pair of pliers a hammer and some cable ends and about 30mins work. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

1st Oct 2018 2:34pm

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