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Fog Lights Not Working... Help?

Discussion in 'Lighting' started by 650h1, Dec 7, 2017.

  1. Dec 7, 2017 at 4:35 PM
    #1
    650h1

    650h1 [OP] New Member

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    Hey guys, so I thought it would be a good idea to try to run rigid LEDs as fogs, and began taking the truck apart. I put one rigid led in one fog light hole, shit didn't really match up, I turned the fog light switch on and it didn't work, either side. So I took it out and put it back to stock. Well... It still doesn't work. Neither side. I've checked every fuse under the hood and under the dash and they all look fine. I replaced the fog light relay. My tail lights work, parking lights work. Headlights work. Kind of getting nervous that neither fog light works. Truck is a 2013, and it has the purple/grey wire anytime fog light mod.

    Any ideas?
     
  2. Dec 7, 2017 at 5:04 PM
    #2
    NewImprovedRon

    NewImprovedRon Hey! Get off my grass!

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    I would probably test all the fuses with a test light to make sure they are all good. A test light speeds the process up of checking them also.
     
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  3. Dec 7, 2017 at 5:11 PM
    #3
    650h1

    650h1 [OP] New Member

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    How do you do this? I don't have a test light... Never used one.
     
  4. Dec 7, 2017 at 5:17 PM
    #4
    NewImprovedRon

    NewImprovedRon Hey! Get off my grass!

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    Ok, a test light looks kind of like a fat screwdriver with a pointed probe. It will have a ground wire with a clip and a visible light in the handle. You clip the ground wire to a ground point and then touch the pointed probe to the tiny metal on the fuse back. If the test light bulb lights, that fuse is good. The only thing you have to watch out for is that some fuses are ignition activated so you will need to have the ignition key turned a position short of starting the truck. You can get a test light at most auto parts stores and you should be able to pick one up fairly cheap.
     
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  5. Dec 7, 2017 at 5:20 PM
    #5
    650h1

    650h1 [OP] New Member

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    Any idea what fuses would affect them?
     
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  6. Dec 7, 2017 at 5:32 PM
    #6
    NewImprovedRon

    NewImprovedRon Hey! Get off my grass!

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    I would start my search looking in the under hood fuse box at the 15 amp fuse labeled FOG. The inside of the fuse box cover has a diagram of what all the fuses are.
     
  7. Dec 7, 2017 at 5:34 PM
    #7
    650h1

    650h1 [OP] New Member

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    Yeah I replaced that one and it didn't work. I also replaced the fog relay...
     
  8. Dec 7, 2017 at 5:39 PM
    #8
    NewImprovedRon

    NewImprovedRon Hey! Get off my grass!

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    Sorry, Chief. The only other thing I would check is to make sure the bulb is seated correctly. I know that sometimes the bulb housing can get buggered up. Just out of curiosity, have you tried unhooking the negative battery cable for a while and then reconnecting it? Since you did the anytime fog light mod, I don't know if that would reset anything for you. Might be worth a shot since it only takes a minute to do.
     
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  9. Dec 7, 2017 at 5:49 PM
    #9
    650h1

    650h1 [OP] New Member

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    I haven't tried that yet, was thinking about it. Shit is so complicated.
     
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  10. Dec 7, 2017 at 6:20 PM
    #10
    NewImprovedRon

    NewImprovedRon Hey! Get off my grass!

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    Yeah, I hear you! Hope you get her back on track soon. Let us know if anything worked for you.
     
  11. Dec 7, 2017 at 7:10 PM
    #11
    650h1

    650h1 [OP] New Member

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    Got a circuit tester and tested all fuses, all appear to be working as needed. Fog lights still are not.
     
  12. Dec 7, 2017 at 7:57 PM
    #12
    650h1

    650h1 [OP] New Member

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    Disconnected the battery and reconnected it and still not working. Fuckkkkkk.
     
  13. Dec 7, 2017 at 7:59 PM
    #13
    Eclipsed & Floating

    Eclipsed & Floating Over it.........

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    Did you reverse the wires when you plugged them into the connector plug?
     
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  14. Dec 7, 2017 at 8:17 PM
    #14
    650h1

    650h1 [OP] New Member

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    I'm sure I reversed the polarity when I plugged the one led in. I tried it both ways and neither way worked. So I yanked it and went back to stock.
     
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  15. Dec 7, 2017 at 8:44 PM
    #15
    Eclipsed & Floating

    Eclipsed & Floating Over it.........

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    I did the same thing when I converted too, but figured it out and had to rig my harness clips and they work great now. Maybe try again and start over.......or get some a pillar mounts from @sdhq_offroad and have you some additional lighting
     
  16. Dec 7, 2017 at 8:51 PM
    #16
    650h1

    650h1 [OP] New Member

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    Yeah the issue is that now my stock fog lights don't work at all...
     
  17. Dec 7, 2017 at 8:59 PM
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    Eclipsed & Floating

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    well, can you retrace your steps and start over? do you think you might have a bad connection?
     
  18. Dec 7, 2017 at 9:05 PM
    #18
    650h1

    650h1 [OP] New Member

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    Yeah retraced them multiple times. I literally unplugged the stock bulb, plugged in a dually, reversed polarity, plugged it in again, said fuck it, and plugged stock back in. Now nothing works.
     
  19. Dec 7, 2017 at 9:10 PM
    #19
    Eclipsed & Floating

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    damnit
     
  20. Dec 7, 2017 at 9:14 PM
    #20
    csuviper

    csuviper Moderator Staff Member

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    Well thats not good.
     
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  21. Dec 7, 2017 at 9:15 PM
    #21
    csuviper

    csuviper Moderator Staff Member

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    Fuse, plug or bulb. About all that would be affected when changing it out and back to stock.
     
  22. Dec 7, 2017 at 9:16 PM
    #22
    650h1

    650h1 [OP] New Member

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    Well the ECM controls power and ground so.... That would be awesome to have fried.
     
  23. Dec 7, 2017 at 9:18 PM
    #23
    csuviper

    csuviper Moderator Staff Member

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    If ECM was fried you would have more issues than just the fog lights.
     
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  24. Dec 7, 2017 at 9:22 PM
    #24
    650h1

    650h1 [OP] New Member

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    Makes sense. But I've replaced everything that could have blown. The bulb didn't blow if it wasn't plugged in. I replaced the relay, checked all fuses. Kind of lost and frustrated now.
     
  25. Dec 7, 2017 at 9:27 PM
    #25
    csuviper

    csuviper Moderator Staff Member

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  26. Dec 7, 2017 at 9:35 PM
    #26
    650h1

    650h1 [OP] New Member

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    Don't have one but I do have a circuit tester now, that will at least tell me I have power in the plug right?
     
  27. Dec 7, 2017 at 9:36 PM
    #27
    650h1

    650h1 [OP] New Member

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    Is there a way to make the lights come on without the switch? Like is it possible the switch is broken?
     
  28. Dec 8, 2017 at 6:53 AM
    #28
    dsimonl

    dsimonl New Member

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    Did you try reverting the anytime fog mod back to stock? Some people have issues.
     
  29. Dec 8, 2017 at 7:05 AM
    #29
    650h1

    650h1 [OP] New Member

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    Checked plug, doesn't appear to be power going to it. There is power at the relay socket in the fuse box. What now?
     
  30. Dec 8, 2017 at 7:09 AM
    #30
    zlaneb

    zlaneb New Member

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    Not be be insulting, but have you tried them without your headlights being on HI-beam/bright lights?
     
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