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Wiring expert help with led sider markers

Discussion in 'Lighting' started by knine00, Jun 17, 2012.

  1. Jun 17, 2012 at 3:03 PM
    #1
    knine00

    knine00 [OP] Well-Known Member

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    I am trying to install three 3/4" led side markers. I want to wire them to a switch and not the turning signals. Will this require a relay?

    I am installing these:
    [​IMG]
     
  2. Jun 17, 2012 at 3:04 PM
    #2
    Forster46

    Forster46 Very nice how much?

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  3. Jun 17, 2012 at 3:05 PM
    #3
    nfs257

    nfs257 Well-Known Member

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    What is the amp draw? If switch is rated enough should be fine... what are you going to use them for?

    I use relays for everything... lol
     
  4. Jun 17, 2012 at 3:08 PM
    #4
    knine00

    knine00 [OP] Well-Known Member

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    Kinda like the raptor setup! I have Contura v switches
     
  5. Jun 17, 2012 at 3:14 PM
    #5
    Forster46

    Forster46 Very nice how much?

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    So only two red lights in the front? Or did you buy two sets?
     
  6. Jun 17, 2012 at 3:17 PM
    #6
    knine00

    knine00 [OP] Well-Known Member

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    No, I am doing three white ones. I bought them from led warehouse.
     
  7. Jun 17, 2012 at 3:24 PM
    #7
    nfs257

    nfs257 Well-Known Member

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    3 leds should be fine in one switch. If you want to protect the dwight use a relay. Not much more work at all.
     
  8. Jun 17, 2012 at 3:31 PM
    #8
    Forster46

    Forster46 Very nice how much?

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    Ohh okay. Cool
     
  9. Jun 17, 2012 at 3:31 PM
    #9
    knine00

    knine00 [OP] Well-Known Member

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    Where is a good place to get a relay online? Is there a certain type?
     
  10. Jun 17, 2012 at 3:41 PM
    #10
    nfs257

    nfs257 Well-Known Member

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    Radio shack or oznium.com

    A 4 pole will work most are 5 pole and you use only 4 poles...
     
  11. Jun 17, 2012 at 3:43 PM
    #11
    knine00

    knine00 [OP] Well-Known Member

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    Do you know where I can get a wiring diagram?
    thanks for all of your help
     
  12. Jun 17, 2012 at 3:48 PM
    #12
    nfs257

    nfs257 Well-Known Member

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  13. Jun 17, 2012 at 3:48 PM
    #13
    Rich91710

    Rich91710 Well-Known Member

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    Not really a "4-pole".... the contacts only have one pole.
    You have a N/O (87), common (30), and some have a N/C (87a)

    The relays are 4 or 5 PIN. Pins 85 and 86 are the coil terminals that switch the relay.
     
  14. Jun 17, 2012 at 3:50 PM
    #14
    nfs257

    nfs257 Well-Known Member

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    You are correct... sorry for the confusion.
     
  15. Jun 17, 2012 at 4:04 PM
    #15
    knine00

    knine00 [OP] Well-Known Member

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    So I can use a 4 pin? That would mean its a N/O relay correct? 5 pin just gives you a choice between n/o or a n/c relay?
     
  16. Jun 17, 2012 at 4:13 PM
    #16
    Rich91710

    Rich91710 Well-Known Member

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    Correct.

    Pin 87 is usually used as the output.
    Personally, I prefer to reverse 87 and 30 for safety reasons IF I'm using a 5-pin. Why? 87a is the NC contact. When the relay is not energized (switch off, truck off), 87a is hot... direct connection to the battery.

    This doesn't matter on the 4-pin, and really, it's not a big deal on the 5-pin as long as you put some shrink tubing over 87a.

    There are some good uses for the 5-pin relay, example, you can use the 87a output to feed a 2nd relay to automatically switch between fogs and driving lights when you switch from low to high beam.


    DUALLIGHTS2.JPG
     
  17. Jun 17, 2012 at 4:17 PM
    #17
    knine00

    knine00 [OP] Well-Known Member

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    I gotcha. So a 5 pin can be used with a on/off/on 3 position switch?
     
  18. Jun 17, 2012 at 4:22 PM
    #18
    Rich91710

    Rich91710 Well-Known Member

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    That's actually a 2-position switch with an indicator light.
    The ground connection is the ground for the indicator.

    Switch pulls in the relay that connects the battery to the rest of the system.
    The switch gets it's power from the parking lights, so when the headlights are off, the whole system goes dark.

    Power normally flows from the 1st relay 87 to the 2nd relay pin 30, and out pin 87a to the fog lights.
    When the high beams are turned on, the hot from the high beams closes relay #2, which redirects the output of relay #1 to pin 87, to the driving lights.
     
  19. Jun 17, 2012 at 4:25 PM
    #19
    knine00

    knine00 [OP] Well-Known Member

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    Awesome thanks for the info!
     
  20. Jun 17, 2012 at 4:53 PM
    #20
    nfs257

    nfs257 Well-Known Member

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    That confused me... lol

    I need to read and study that again...
     
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