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High beams and all other lights seems to be working fine except for Low beams!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Lbustamante7, Jan 17, 2021.

  1. Jan 17, 2021 at 6:16 PM
    #1
    Lbustamante7

    Lbustamante7 [OP] New Member

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    Both low beams not working!! My high beams and other lights including turn signals, fog lights, and hazards, seem to be working fine. I check all fuses and all seem to be good. Has anyone else ran into this problem?
     
  2. Jan 17, 2021 at 6:20 PM
    #2
    Dm93

    Dm93 Test Don't Guess

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    Have you checked your bulbs?, it's not uncommon for one burnt out bulb to go unnoticed until they both go out.
     
  3. Jan 17, 2021 at 6:31 PM
    #3
    Lbustamante7

    Lbustamante7 [OP] New Member

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    I recently replaced one bulb about 6 months ago. I just noticed tonight that both were out as I was driving home. I’m pretty sure when the one bulb went out the first time the other one still worked. Is it possible one going out could cause the other one to go out also?
     
  4. Jan 17, 2021 at 6:33 PM
    #4
    Dm93

    Dm93 Test Don't Guess

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    It's a possibility, I would start there. Were you careful not to touch the glass part of the new bulb when you put it in?
     
  5. Jan 17, 2021 at 6:38 PM
    #5
    rdiddy_25

    rdiddy_25 Well-Known Member

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    And it’s always recommended if you change one, do the other, as it will most likely fail soon there after. GL
     
  6. Jan 17, 2021 at 6:43 PM
    #6
    Lbustamante7

    Lbustamante7 [OP] New Member

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    Do the high beams and low beams work off the same bulb? If the bulb was burnt out wouldn’t the high be not work also?
     
  7. Jan 17, 2021 at 6:45 PM
    #7
    Dm93

    Dm93 Test Don't Guess

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    Yes its a single bulb with two filaments (one for high and one for low) so yes the low can burn out and the high still work.
     
  8. Jan 17, 2021 at 6:55 PM
    #8
    Lbustamante7

    Lbustamante7 [OP] New Member

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    Ok, I’ll try replacing the bulbs and go from there thanks!
     
  9. Jan 17, 2021 at 7:03 PM
    #9
    Dm93

    Dm93 Test Don't Guess

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    If it ends up not being bulbs here's a wiring diagram for the headlights.
     

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    davidstacoma and Jimmyh like this.
  10. Jan 17, 2021 at 7:22 PM
    #10
    TnShooter

    TnShooter The TacomaWorld Stray

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    Like Dm93 said. Check the bulbs.

    I do have a question. (To help narrow it down)

    How did you check the fuses?

    I’d use a test light and check for power to the fuses with the head lights ON.
    The head light switch needs to be on for the fuses to get power.
    If you have power to (and through) the fuses, I’d then check the bulbs.
    If you don’t have power to the fuse, There is probably no need to check the bulbs.

    I guess my point is, I’d rather not pull the head lights until I “have to”.
    The fuses and power to them, is easier to check.
     
    Jimmyh likes this.
  11. Jan 17, 2021 at 9:37 PM
    #11
    Jimmyh

    Jimmyh Well-Known Member

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    I'm with @TnShooter

    Bulbs are a pain in the ass. If you feel like you need to check the bulbs, don't remove them. Unplug them and check the filaments with a meter.
     
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  12. Jan 18, 2021 at 6:05 AM
    #12
    pdaddy

    pdaddy WeLl-KnOwN mEmBeR

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    Ive had both low beams go out at the exact same time, it’s possible. Replaced them and they were good to go
     

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