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2004 Tundra dash lights are not working

Discussion in '1st Gen Tundras (2000-2006)' started by griffinbristow, Sep 14, 2020 at 1:05 PM.

  1. Sep 14, 2020 at 1:05 PM
    #1
    griffinbristow

    griffinbristow [OP] New Member

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    Hey everyone, so I have a 2004 tundra SR5 4x4, my dash lights and my climate control light have gone out and I cannot seem to fix them. I have checked all of the fuses, I have made sure none of the other exterior lights have gone out, I’ve even replaced all of the dash lights. I’m not sure what the issue is but it would be greatly appreciated if someone could help me figure this out

    A9258439-4358-47FC-B5C7-D82F70C8CD79.jpg
     
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  2. Sep 14, 2020 at 1:15 PM
    #2
    Tundra2

    Tundra2 Remember: post in moderation, and mostly on topic.

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    Hey Griffin! Welcome to the forum!

    I'm sure someone with more knowledge than me on the doublecabs will be along shortly to help you.
     
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  3. Sep 14, 2020 at 2:54 PM
    #3
    skem432

    skem432 New Member

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    Hi Griffin,

    Is there a dimmer switch for the dash light, check that one. It happened to me once. It was turned all the way down.
     
  4. Sep 14, 2020 at 2:59 PM
    #4
    FrenchToasty

    FrenchToasty Desert rat

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  5. Sep 14, 2020 at 3:02 PM
    #5
    griffinbristow

    griffinbristow [OP] New Member

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    I have checked the dimmer switch and it is indeed all the way turned up. This didn’t seem to fix the issue. Thank you for the suggestion though!
     
  6. Sep 14, 2020 at 3:03 PM
    #6
    FrenchToasty

    FrenchToasty Desert rat

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    Maybe the dimmer is bad? Check for power at the switch if you’ve already checked all fuses
     
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  7. Sep 14, 2020 at 3:05 PM
    #7
    Tundra2

    Tundra2 Remember: post in moderation, and mostly on topic.

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    At pitstop. On closed course.

    Are you sure that it's working properly?

    I noticed the last time I pulled my dash when I unplugged the dimmer switch all the backlights went off on both Dash/Radio-HVAC bezel.

    I'm not sure if the dimmer knobs are all the same for AC/DC, but I have an extra I'm willing to part with if they are the same.
     
    Last edited: Sep 14, 2020 at 3:32 PM
  8. Sep 14, 2020 at 3:20 PM
    #8
    FrenchToasty

    FrenchToasty Desert rat

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    Also, right now driving home(day light) i couldn’t actually see any lights at any dimmer setting, maybe revisit the issue when it’s darker out
     
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  9. Sep 14, 2020 at 3:32 PM
    #9
    Tundra2

    Tundra2 Remember: post in moderation, and mostly on topic.

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    X2
     
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  10. Sep 14, 2020 at 3:50 PM
    #10
    FrenchToasty

    FrenchToasty Desert rat

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    Delete your quote for his privacy haha
     
  11. Sep 14, 2020 at 4:03 PM
    #11
    griffinbristow

    griffinbristow [OP] New Member

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    image.jpg
    don’t mind my switch I added for my subwoofer, that red wire also runs to my subwoofer. This is what the switch itself looks like
     
  12. Sep 14, 2020 at 4:18 PM
    #12
    griffinbristow

    griffinbristow [OP] New Member

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    Would anyone happen to know the exact purpose for all three of the wires that run into the back of the dimmer switch. I’m wondering if I can just bypass it with a regular on/off switch

    image.jpg
     
  13. Sep 14, 2020 at 5:05 PM
    #13
    Festerw

    Festerw New Member

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    Should jump Green to White/Green to get full brightness. Before that check the Tail fuse under the dash.
     
  14. Sep 14, 2020 at 5:07 PM
    #14
    FrenchToasty

    FrenchToasty Desert rat

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    Wow!!!
     
  15. Sep 14, 2020 at 5:22 PM
    #15
    griffinbristow

    griffinbristow [OP] New Member

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    I tried jumping those two wires together and it still did not work. Is there something I could be missing because I have checked all of the fuses
     
  16. Sep 14, 2020 at 5:31 PM
    #16
    griffinbristow

    griffinbristow [OP] New Member

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    Also both the green and green/white wire are both hot. I’m not sure if that means anything but bridging the two wires together did not seem to do the trick. I’m wondering if there is something else I could be missing.
     
  17. Sep 14, 2020 at 5:39 PM
    #17
    griffinbristow

    griffinbristow [OP] New Member

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    image.jpg Does anything look out of the ordinary here?
     
  18. Sep 14, 2020 at 5:40 PM
    #18
    FrenchToasty

    FrenchToasty Desert rat

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    Plug in your clock!!
     
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  19. Sep 14, 2020 at 5:47 PM
    #19
    griffinbristow

    griffinbristow [OP] New Member

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    Which one is the clock? I thought it was plugged in?
     
  20. Sep 14, 2020 at 5:59 PM
    #20
    Festerw

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    Clock is in the center stack.

    The green wire in your pic is what controls the illumination and the white/black at the back of the dimmer is the ground. I've attached part of the wiring diagram below for you.
     

    Attached Files:

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  21. Sep 15, 2020 at 8:28 AM
    #21
    griffinbristow

    griffinbristow [OP] New Member

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    I’m not sure which black/white wire you are referring to. Are you talking about the white/silver one? And is there really anyway to for sure know if the dimmer switch is the root of the issue?
     
  22. Sep 15, 2020 at 8:39 AM
    #22
    Festerw

    Festerw New Member

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    W/B should be the 3rd wire on the dimmer. Here's the test for the dimmer.
    Rheostat.jpg
     
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  23. Sep 15, 2020 at 4:20 PM
    #23
    SouthPaw

    SouthPaw The headlight guy

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    The instrument cluster has a clock?!
     
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  24. Sep 15, 2020 at 4:34 PM
    #24
    FrenchToasty

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    I don’t need time where I’m driving!
    I’ve heard multiple people have issues with lighting on the dash, because the clock wasn’t plugged in. Just spit ballin from my couch
     
  25. Sep 16, 2020 at 4:10 AM
    #25
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    Must be a fancy 05-06 thing. I love taking my eyes off the road and looking down by the floorboard to check the time.

    Edit: OP has an 04. Now I'm confused too.
     
  26. Sep 16, 2020 at 1:57 PM
    #26
    griffinbristow

    griffinbristow [OP] New Member

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    I’m not aware of any clock that is in the dash. I took a look and still couldn’t locate the center stack or the wire you were referring to. I want to take it to the dealership but I’m afraid they will charge me out the a$$ for it
     
  27. Sep 16, 2020 at 2:08 PM
    #27
    Festerw

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    If you have a multi tester set it to ohms and probe between the wires on the back of the dimmer and some bare steel under the dash. The one that goes to zero is the ground, if none do that then you've lost a ground point.

    Clock is in the center just to the right below the temperature selector.
    [​IMG]
     
  28. Sep 16, 2020 at 2:16 PM
    #28
    griffinbristow

    griffinbristow [OP] New Member

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    Thank you, I thought they were referring to a clock that would be located inside the dash. I do indeed have that clock below the climate control unit and it is operational. I tested the wires behind the dimmer switch and there is a solid ground
     
  29. Sep 16, 2020 at 2:17 PM
    #29
    griffinbristow

    griffinbristow [OP] New Member

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    What should be my next step? Should I take it to the dealer?
     
  30. Sep 16, 2020 at 2:24 PM
    #30
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    You will pay out Ying Yang. Maybe find an Auto Electrical Shop. Still $$$ but maybe less?

     

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