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LED help!!! Almost lit my truck on fire

Discussion in 'Technical Chat' started by RadRed06, Jul 2, 2012.

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  1. Jul 2, 2012 at 7:32 PM
    #21
    MXscott14

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    MXscott14 Bartle Do Member

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    its led's a fuse will work fine.
     
    MXscott14, Jul 2, 2012
    #21
  2. Jul 2, 2012 at 7:33 PM
    #22
    RadRed06

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    RadRed06 [OP] Christ Follower

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    RadRed06, Jul 2, 2012
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  3. Jul 2, 2012 at 7:35 PM
    #23
    MXscott14

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    MXscott14 Bartle Do Member

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    MXscott14, Jul 2, 2012
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  4. Jul 2, 2012 at 7:36 PM
    #24
    RadRed06

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    RadRed06 [OP] Christ Follower

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    RadRed06, Jul 2, 2012
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  5. Jul 2, 2012 at 7:37 PM
    #25
    MXscott14

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    MXscott14 Bartle Do Member

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    correct
     
    MXscott14, Jul 2, 2012
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  6. Jul 2, 2012 at 7:40 PM
    #26
    RadRed06

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    RadRed06 [OP] Christ Follower

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    Do you splice the ground wire from the leds into the ground wire running from the switch to the battery?
     
    RadRed06, Jul 2, 2012
    #26
  7. Jul 2, 2012 at 7:41 PM
    #27
    joes06tacoma

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    joes06tacoma Well-Known Member

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    LEER Shell with dome lights operated with 3 way switches, aux backup lights with relay and 3 position switch, modified wiring to compass/temp display and clock to include switch that disables dimming function (poor man's DRL solution), Scan Gauge 2
    Start at the battery positive with a fuse. Connect the positive side of the battery to the + on the switch. Connect the accessory (A?) terminal (middle terminal usually) to the positive lead of your LEDS. Ground the ground terminal and connect the negative side of the LEDS to either ground or the negative side of the battery.

    What you did was wire the switch to directly connect the positive and negative side of the battery together with the switch on. We did this same basic thing using a battery and a piece of bailing wire in high school auto shop. It was very exciting. I have not wired anything without a fuse since.:eek:
     
    joes06tacoma, Jul 2, 2012
    #27
  8. Jul 2, 2012 at 7:42 PM
    #28
    MonkeyProof

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    MonkeyProof Power Top

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    Hang on dude...help is on the way! :cookiemonster:
     
    MonkeyProof, Jul 2, 2012
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  9. Jul 2, 2012 at 7:43 PM
    #29
    MXscott14

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    MXscott14 Bartle Do Member

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    the batteries negative terminal has a wire running to your trucks frame so anything that needs to be grounded, can be attached to any non painted metal on the truck. or you can run wires up the the battery, (not necessary) but up to you
     
    MXscott14, Jul 2, 2012
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  10. Jul 2, 2012 at 7:45 PM
    #30
    RadRed06

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    RadRed06 [OP] Christ Follower

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    So you do not have to ground the leds to the switch?
     
    RadRed06, Jul 2, 2012
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  11. Jul 2, 2012 at 7:46 PM
    #31
    MXscott14

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    MXscott14 Bartle Do Member

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    no, ground it to the truck.
     
    MXscott14, Jul 2, 2012
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  12. Jul 2, 2012 at 7:49 PM
    #32
    RadRed06

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    RadRed06 [OP] Christ Follower

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    Is there a certain gauge wire I should be using? How many amps should the fuse I use in the blade fuse holder be?
     
    RadRed06, Jul 2, 2012
    #32
  13. Jul 2, 2012 at 7:51 PM
    #33
    Rich91710

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    Rich91710 Well-Known Member

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    He used a cigarette lighter plug which has a fuse built into it.
    He may not have known it, but it's there under the "nipple".

    Hard to tell where you went wrong, but it doesn't sound like you used the same LED system that he used. His activates from a wireless remote, yours is on a switch.

    Unless your switch has an indicator light, it sounds like your mistake was grounding the switch.

    It should be battery > fuse > switch > LED > ground.
    That's your basic circuit. Small LED strips you don't need a relay, but you ALWAYS must have a fuse. A 5amp fuse should be more than adequate.

    If your switch is lighted, then yes, it needs a ground. In that case, it sounds like you connected the ground to the wrong terminal.

    Without knowing exactly what you have, it's going to be very hard to tell you exactly how to wire this.
    Normally, on lighted switches, the center terminal goes to the LEDs, one of the "end" terminals (usually a little closer to center) goes to the fuse, and the other "end" goes to ground. The switch should have come with a diagram.
     
    Rich91710, Jul 2, 2012
    #33
  14. Jul 2, 2012 at 7:52 PM
    #34
    MXscott14

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    MXscott14 Bartle Do Member

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    what kind of lights are they?
     
    MXscott14, Jul 2, 2012
    #34
  15. Jul 2, 2012 at 7:52 PM
    #35
    Rich91710

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    Rich91710 Well-Known Member

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    Hopefully, but this is going to be a tough one with the information we have.
     
    Rich91710, Jul 2, 2012
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  16. Jul 2, 2012 at 7:53 PM
    #36
    RadRed06

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    RadRed06 [OP] Christ Follower

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    This site contains affiliate links for which the site may be compensated.
    RadRed06, Jul 2, 2012
    #36
  17. Jul 2, 2012 at 7:55 PM
    #37
    RadRed06

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    RadRed06 [OP] Christ Follower

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    This site contains affiliate links for which the site may be compensated.
    RadRed06, Jul 2, 2012
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  18. Jul 2, 2012 at 7:59 PM
    #38
    MXscott14

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    MXscott14 Bartle Do Member

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    5 or 10 amp fuse will work fine. and you can use small wire, those lights use very little power. 20 gauge wire would be more than enough.
     
    MXscott14, Jul 2, 2012
    #38
  19. Jul 2, 2012 at 8:01 PM
    #39
    RadRed06

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    RadRed06 [OP] Christ Follower

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    RadRed06, Jul 2, 2012
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  20. Jul 2, 2012 at 8:02 PM
    #40
    MXscott14

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    MXscott14 Bartle Do Member

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    yea but why not just go to the autoparts store and get one. even walmart.
     
    MXscott14, Jul 2, 2012
    #40
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