Fuse on Winch ?

What Recovery Equipment do you use.
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george
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Wed Feb 23, 2011 11:25 am

My winch is currently being service.When I get it back i will start to fit it.i am going to redo all the wiring.
i got myself 35mm grey welding cable.Will this be OK :?:
I was thinking about putting the control box in the engine bay but cannot really find place.So my second option is to put it inside the BB.I do not want to put it on the outside.Is this the most common place to put it?
Do one have to put an inline fuse for the cables that run from the battery to the winch :?: And what size.175 amp :?:
On most installation I do not see a fuse :problem: Then again will such a big fuse actually work when you in a accident and the wires are making contact. :blink:
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Wed Feb 23, 2011 12:16 pm

George, I know a lot of guys put on a 'dead man's' switch.

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george
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Wed Feb 23, 2011 12:25 pm

OOOOMS wrote:George, I know a lot of guys put on a 'dead man's' switch.
You will have to explain more :confused:
is it like a circuit breaker that is normally off and you only switch it on when you want to use the winch?
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Wed Feb 23, 2011 12:27 pm

george wrote:
OOOOMS wrote:George, I know a lot of guys put on a 'dead man's' switch.
You will have to explain more :confused:
is it like a circuit breaker that is normally off and you only switch it on when you want to use the winch?
Yip....hang ten, I am looking for a pic :thumbup:

http://www.amazon.com/dp/B000BQP6F2/ref ... nkCode=asn" onclick="window.open(this.href);return false;

http://www.northerntool.com/shop/tools/ ... Aggregates" onclick="window.open(this.href);return false;
Last edited by Anonymous on Wed Feb 23, 2011 12:44 pm, edited 1 time in total.
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Stef
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Wed Feb 23, 2011 12:41 pm

Toyota fitted the control box inside the BB on the LTD; there is a bracket on driver's side of winch. Makes it difficult to drop the removable winch plate though as one needs to loosen the control box to get (barely enough) slack on the cables. Didn't see any fuses. Cable size will depend on the current rating of the winch, but 35mm sounds OK.

The control box got wet during the last water crossing, but still works fine regardless.

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Wed Feb 23, 2011 12:48 pm

Like so:
resize.jpg
resize.jpg (2.75 KiB) Viewed 3577 times

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Wed Feb 23, 2011 12:50 pm

OOOOMS wrote: http://www.amazon.com/dp/B000BQP6F2/ref ... nkCode=asn" onclick="window.open(this.href);return false;

I'm not sure if that is a deadman's switch in the true sense, looks more like a mountable replacement. Deadman's switch refers to something that cuts power supply in the event of the operator gone a.w.o.l. like on battery locomotives, hoists or even the "key on a rope" on boats etc. In the case of the Warn remote the switch cannot latch in either winding direction, so in essence serves the purpose, but nothing to cut main supply from battery.

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Wed Feb 23, 2011 12:51 pm

I like the Ramsey one.

What amount of amps are you looking at?
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Wed Feb 23, 2011 12:52 pm

Stef wrote:
OOOOMS wrote: http://www.amazon.com/dp/B000BQP6F2/ref ... nkCode=asn" onclick="window.open(this.href);return false;

I'm not sure if that is a deadman's switch in the true sense, looks more like a mountable replacement. Deadman's switch refers to something that cuts power supply in the event of the operator gone a.w.o.l. like on battery locomotives, hoists or even the "key on a rope" on boats etc. In the case of the Warn remote the switch cannot latch in either winding direction, so in essence serves the purpose, but nothing to cut main supply from battery.
Must say the warn one does only look like a normal switch
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Wed Feb 23, 2011 12:58 pm

george wrote: Must say the warn one does only look like a normal switch
Indeed, but point is that it is not latchable, thus if you for some reason lose control of the remote the switch returns to stop position in other words winch will stop ie deadman' s switch functionality. What you're after is overload/ short circuit protection, just trying to illustrate the difference ;-)

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Wed Feb 23, 2011 1:08 pm

klip innie bos ....

now if you fit that dead mans switch - how do you operate this switch, the winch controls AND try to drive out all at the same time ?

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Wed Feb 23, 2011 1:10 pm

I think this is going to be the one.Then I can switch of the circuit when not using the winch and i can put it as close to the battery as can bee.Where would I find something like this and what would be the amp rating?
OOOOMS wrote:Like so:
resize.jpg
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Wed Feb 23, 2011 1:33 pm

From Wikipedia, the free encyclopedia

For other uses, see Dead man's switch (disambiguation).

A dead man's switch (for other names, see alternative names) is a switch that is automatically operated in case the human operator becomes incapacitated, such as through death or loss of consciousness.

The switch usually stops a machine, and is a form of fail-safe. They are commonly used in locomotives, aircraft refuelling, freight elevators, lawn mowers, tractors, personal watercraft, outboard motors, chainsaws, snowblowers, tread machines, snowmobiles, and many medical imaging devices.

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Wed Feb 23, 2011 1:38 pm

George I have seen a few of em installed (similar) to pic, and have also seen a guy in Moz winching in his boat onto the trailer ... winch malfunctioned and practically pulled the boat onto the bonet. Quickest I have seen a hacksaw cutting through a battery terminal... :!: :!: :!:

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Wed Feb 23, 2011 2:05 pm

What will happen if the power to the winch is being cut under load - does the brake work manually or electrical ?
The fuse rating will very much depend on the battery size aswell ( amp/hour ), otherwise the battery or winchcontrol could act as a fuse.

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Wed Feb 23, 2011 3:45 pm

I have an isolator switch installed like that on the + wire running from the battery to the winch.

You need to insert that key into the switch turn it and then make it work. It does stay ON, on it's own but it only needs a bit of touch to make it turn back OFF again. You cannot remove the key when it is ON, only when OFF.

Get yourself a Marine grade one. I paid R80-00 at an automotive auto electrical wholesaler.
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Wed Feb 23, 2011 8:15 pm

I use the same switch / isolator between my HC and DC battery's. Thus if my HC battery fails or I need to use the winch I can switch both battery's together. Key must be in to operate and cannot be removed unless switched off. See pic.
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Wed Feb 23, 2011 9:01 pm

There is a simple and effective way to do this. Route the power feed to the winch through a relay (minimum 75 amp rating). Then you fit a switch inside the cab that triggers the relay ... this switch could preferably be of the LED type that lights up when it's on so that you can see when there is power to the winch. Keep it switched off until you need it, that way there can be no accidental winch activation or accidental shorting of the terminals if you happen to be working in there with a spanner or something. ;-)


P.S. I'm not so sure that a dead man switch is going to be practical .... as Chris says, what happens if you have to steer yourself out at the same time that you are winching? Or if you need to stand clear of the vehicle using the remote? Where will this dead man switch be mounted so that it can be effective, and as Chris also correctly pointed out, if it's of the type that has to be held in the on position, where are the extra hands going to come from to drive if you need to while winching? :acute:
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Thu Feb 24, 2011 6:18 pm

Mud Dog wrote: P.S. I'm not so sure that a dead man switch is going to be practical .... as Chris says, what happens if you have to steer yourself out at the same time that you are winching? Or if you need to stand clear of the vehicle using the remote? Where will this dead man switch be mounted so that it can be effective, and as Chris also correctly pointed out, if it's of the type that has to be held in the on position, where are the extra hands going to come from to drive if you need to while winching? :acute:
Kinda what I was driving at, a true deadman's switch is not what's required :wink2:

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Wed Jun 15, 2011 12:02 pm

What is the biggest size inline fuse you get for 12V? I fitted the winch with a battery isolated switch(the one with the red key).
The only issues I have is that I mounted the control box inside the bumper and one of the relay connectors is about 1cm away from the bumper.I just fear that if the control box should move and I have a short,what will the results be? Fried battery,explosion,ruined computer box.
Here is the specs according to warn.Basically on full load it will draw 435 amps. :shock: I think I am answering my own question.I will need to put a fuse in that can handle 435 amps and that fuse is probably not gonna help me if I have a short. Should i just leave it as it is setup now and first test the winch and if there is smoke and sparks coming out just disconnect the isolated switch.I hope I am making sense.Your thoughts please

12V DC PERFORMANCE SPECS
Line Pull Line Speed
2000(910) 16(4.88) 200 amps 2/7280(3302)
4000(1810) 11.9(3.63) 285 amps 3/6670(3026)
6000(2720) 9.79(2.98) 350 amps 4/6230(2826)
8000(3630) 8.01(2.44) 435 amps
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Wed Jun 15, 2011 12:22 pm

George, I think one should be able to get a fuse, but you'll have to try industrial suppliers.

I remember way back when on the battery Loco's underground we used to have circuit breakers on the main circuits, if I recall those things ran at 80V DC & 300A-400A, maybe that would be easier to source. Otherwise put 4 x 100A (or 6x80A) fuses in parallel.

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