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  1. #1
    Silver Member
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    Mar 2007
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    177

    Default Wiring work lights

    I would like to add some lights to my Case Ih C50 tractor. I have the lights and a factory style switch. How do I wire it into the fuse box. Or is there another way to do it. I would like a clean look.

  2. #2
    Veteran Member Treemonkey1000's Avatar
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    Jan 2008
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    1,894
    Location
    Renton, Washington
    Tractor
    Kubota L3750

    Default Re: Wiring work lights

    Wiring lights has been covered several times on here. Do a search on the here and you will be happy with all of the creative systems these folks have come up with.
    1st Peter 1:6-9

  3. #3
    Silver Member
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    Mar 2007
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    177

    Default Re: Wiring work lights

    I have been reading and reading. I just dont know if I need to add relays or not. If I do how do I do that?

  4. #4
    Silver Member
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    Mar 2007
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    177

    Default Re: Wiring work lights

    I just found this

  5. #5
    Bronze Member
    Join Date
    Jun 2009
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    83
    Location
    Connecticut
    Tractor
    Kubota 2620 TLB

    Default Re: Wiring work lights

    Relays are not 100% necessary. They generally allow you to run a lighter awg wire to the switch and rather than feed the rated current (amps) through the switch, they allow you to use a "signal" current to switch the relay.

    Think of a relay as a switch and the switch connected to it as a trigger, either on or off. Relays can fire off a + input or - input via the remote switch. You'd only need to bring a small wire or pair to the switch vs. bringing the whole lighting circuit to it and then through it to the lights downstream.

    IF you're using a high amp draw, the benefit is isolating the load from the switch and sometimes making wiring slightly easier by making it more complex, if that makes sense.
    Once in my life I'd like to be called Sir.....of course without being followed by "you're making a scene"

  6. #6
    Silver Member
    Join Date
    Mar 2007
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    177

    Default Re: Wiring work lights

    Yes that makes sense. I want to add 2 lights on one switch. I have the factory switches. I just was not sure it was necessary to add the relays.

  7. #7
    Super Member dcyrilc's Avatar
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    Nov 2009
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    5,473
    Location
    Woodinville, Washington
    Tractor
    John Deere 2240 MFWD

    Default Re: Wiring work lights

    Quote Originally Posted by millwrightdude View Post
    Yes that makes sense. I want to add 2 lights on one switch. I have the factory switches. I just was not sure it was necessary to add the relays.
    The ignition switch is typically not designed to carry a high amperage load. A relay allows you to run a high amperage load which will be killed when the ignition is turned off. In other words, it allows you to have the light switch overridden by the ignition so that the lights cannot be turned on unless the tractor is on. It also allows you to use a lower amperage switch for the lights.
    Cyril

    JD 2240 MFWD (with duels now)
    145 FEL, 8ft Rear blade (now I need a 12ft blade)



  8. #8
    Super Member mjncad's Avatar
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    Aug 2006
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    5,114
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    In the civilized First World
    Tractor
    A couple

    Default Re: Wiring work lights

    I used relays and your wiring diagram will work. It just needs power from the ignition switch or from the battery to the fuse panel serving the switches.

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    As others have stated above, switches are generally used as low current triggers, letting the relay carry the heavier load.
    Paraphrasing Douglas Adams - So long and thanks for all the bacon.

  9. #9
    Platinum Member Samandothers's Avatar
    Join Date
    Dec 2007
    Posts
    508
    Location
    Charlotte NC
    Tractor
    Kubota L4240

    Default Re: Wiring work lights

    I used a relay to feel a small terminal board so I could add additional lights later vs the two I have now. I have a switch feed by a small guage wire near the seat that runs the relay. Large wire from battery feeds power to relay. I then ran from the terminal to the lights.
    ---------------------------------------
    Toys: L4240, FEL, Backhoe, Rotary Cutter, Grapple, Blade

  10. #10
    Veteran Member
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    Dec 2002
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    1,070
    Location
    Western Washington
    Tractor
    5300 JD 4X4

    Default Re: Wiring work lights

    Just an idea for a temporary work light for emergency work. bolt a magnet to the base of a light and give yourself some 12 or so feet of wire with an aligator clip. the magnet will work for ground and the clip to a power source on the rig. Having a good spotlight to place anywhere you need it can be a lifesaver.

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