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winch wiring Q....

 
 
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minimodz
Gate Opener


Joined: 08 May 2005
Odometer: 49
Location: Woking, Surrey



PostPosted: Sun Sep 29, 2013 1:32 pm    Post subject: winch wiring Q.... Reply with quote

Hi.
I've got 9000lbs winches on two trailers, (one on a flatbed and one on another Ifor Williams).
I'm wiring up using Anderson connectors (350a).
my Q is: could the earth on the car go from the plug to the chassis - using heavy gauge wiring. then run another heavy gauge wire from the chassis to the battery???
I've seen many toipcs where people have said not to - but these have all been cos they have not ran sufficient earths from the battery to the chassis.

your thoughts...
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Toseland
Mud Obsessed


Joined: 25 Oct 2011
Odometer: 3209
Location: cardiff


1999 Suzuki Vitara

PostPosted: Sun Sep 29, 2013 4:11 pm    Post subject: Reply with quote

no reason why not. provided there is an unrestricted route from where you bolt the trailer end on, to the battery end

there should be no issues there..

__________________________________
I live by 2 sayings:
1. The beatings will continue until morale improves
2. Pain is just Weakness leaving the body..

The feeling you get when you first smash your shaft out, is one you will never forget.. especially if you do it in front of 10 guys.
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RichardD
Marshall


Joined: 13 Mar 2003
Odometer: 22856
Location: State of Confusion



PostPosted: Tue Oct 01, 2013 1:00 pm    Post subject: Reply with quote

It will work but it's not best practice.

The ideal is to wire back to the battery in all cases to maximise the current flow to the winch. If you're not needing the full capacity of the winch then it will be fine.

I'm about to do the same because I'm getting too lazy to winch up onto my flatbed but I don't trust LR electrics and I've got oodles of welding cable free.

An alternative would be to have a small battery on the trailer which is then charged by the car whilst travelling and allows winching operations when the car is not attached and negates the need for heavy cabling.

__________________________________
Poking the Grim Reaper with a stick then running away. The devil made me do it but God said it was okay with him.
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dxmedia
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Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Tue Oct 01, 2013 1:07 pm    Post subject: Reply with quote

A high current anderson plug? I personally wouldn't want a couple of hundred amps going through the (greasy) towball and expect a good connection.

Remember the crazy calculation to work out the cross section of the cable used. For a run from the front of a vehicle to a winch mounted on a trailer you'd be looking at something dwarfing the cable currently fitted on your winch.
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