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Thread: Winch wiring to 110 rear

  1. #1
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    Default Winch wiring to 110 rear

    I have a winch mounted on a 2" receiver plate for front and rear use. What gauge wire can I run to the rear? Tha battery is under the front seat, so the distance is about 8ish feet to rear and 6ish to front.

    Nate B
    88 D90 RHD, V8 Present
    84 Defender 110 3 Door RHD Petrol in 2012
    80 Merc 230GE Petrol in 2011
    78 SIII 109" RHD Petrol in 2011
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  2. #2
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    What winch are you using? Tha gauge wire you need depends on the amps it draws as well as the distance.
    1965 SIIa 88",1975 Ex-MOD 109/Ambulance, 1989 RRC, blah, blah, blah...

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  3. #3
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    Warrior c9500, 5 hp, 12v Looked up on web and amps not not given

    Nate B
    88 D90 RHD, V8 Present
    84 Defender 110 3 Door RHD Petrol in 2012
    80 Merc 230GE Petrol in 2011
    78 SIII 109" RHD Petrol in 2011
    82 SIII 88" RHD Petrol in 2010
    82 SIII 88" RHD Diesel in 2009
    92 Range Rover - In the 90's
    cuis2000@yahoo.com

  4. #4
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    Zack Griswold
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  5. #5
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    Default

    Looks like 380 amps at full loand I found a chart on offroaders.com which goes up to 200 amps and it suggests 6 awg for 10', 4 for 15 and 20 feet and 2 for 25 feet. I'm leaning towards 4 wag since the run time on a winch is not long. Thoughts?

    Nate B
    88 D90 RHD, V8 Present
    84 Defender 110 3 Door RHD Petrol in 2012
    80 Merc 230GE Petrol in 2011
    78 SIII 109" RHD Petrol in 2011
    82 SIII 88" RHD Petrol in 2010
    82 SIII 88" RHD Diesel in 2009
    92 Range Rover - In the 90's
    cuis2000@yahoo.com

  6. #6
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    1965 SIIa 88",1975 Ex-MOD 109/Ambulance, 1989 RRC, blah, blah, blah...

    Land Rover UK Forums

  7. #7
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    Default

    Warn says 2 under 25'

    Nate B
    88 D90 RHD, V8 Present
    84 Defender 110 3 Door RHD Petrol in 2012
    80 Merc 230GE Petrol in 2011
    78 SIII 109" RHD Petrol in 2011
    82 SIII 88" RHD Petrol in 2010
    82 SIII 88" RHD Diesel in 2009
    92 Range Rover - In the 90's
    cuis2000@yahoo.com

  8. #8

    Default

    It's not just how long you run the winch. Volt drop is a factor, the greater the volt drop the harder it is on the winch and the less power you have.
    Figuring 380 amps #2 will give you 0.46v drop at 6 feet, which is high IMO. I like to keep it well under .5v to allow for any other resistance in the circuit. So for 6' I'd go at least #1 which would be a .32v drop.
    For the 8' run I'd go at least 1/0 which would be a .33v drop.
    Tom Rowe

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    in places even more inaccessible.

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