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Unlit Switches

Discussion in 'Lighting' started by AKTACOTRUCK, Sep 3, 2015.

  1. Sep 3, 2015 at 1:38 AM
    #1
    AKTACOTRUCK

    AKTACOTRUCK [OP] Well-Known Member

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    WP_20150903_00_29_46_Pro.jpg WP_20150903_00_30_27_Pro.jpg some of my switches on my TRD off road are unlit.when I pressed the diff lock button, the backlight came on, then sputtered and went off. My guess is bulbs pr weak solder, any other ideas? Getting a solder pen next week anyways to add AUX to stock head unit.
     
  2. Sep 3, 2015 at 3:58 PM
    #2
    fergyz

    fergyz Mmmm...Tacos

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    bulbs either burnt out, terminal slightly corroded or the bulb holder is slightly tweaked from heat. no soldering should be needed... unless it's an internal circuit issue.
     
  3. Sep 3, 2015 at 4:05 PM
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    Justus

    Justus fucks not given

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    Bulb..... Been there also
     
  4. Sep 3, 2015 at 4:52 PM
    #4
    AKTACOTRUCK

    AKTACOTRUCK [OP] Well-Known Member

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    Last edited: Sep 3, 2015
  5. Sep 7, 2015 at 12:07 AM
    #5
    Up2NoGood

    Up2NoGood Well-Known Member

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    Toyota amber replacement bulb is 90011-01058
     
    AKTACOTRUCK [OP] likes this.
  6. Sep 7, 2015 at 12:58 PM
    #6
    Up2NoGood

    Up2NoGood Well-Known Member

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    Some of the switch status indicator lights (small rectangle that glows amber when switch is on) are actually a clear bulb and there is an amber film in the switch. If that is the case the the clear bulb part number is 84999-10310 although the amber bulb I mentioned in the last post is just the clear bulb with an amber cap on it, so the cap can be removed.

    If you want to confirm if it is a burnt out bulb I'd just swap the two bulbs in that switch and see the problem also switches positions. Should tell you if it's a bulb issue or if something else is at play like wiring or switch circuitry.
     
  7. Apr 24, 2017 at 5:02 AM
    #7
    apotter

    apotter Well-Known Member

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    Did the led T4's work for the switches?
     

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