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04 Tacoma no headlights

Discussion in 'Lighting' started by godssoldier04tacoma, Dec 20, 2021.

  1. Dec 20, 2021 at 5:44 PM
    #1
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    Hello all!
    Sorry new here, and currently have a very frustrating issue.
    I've lost all front lights (except for parking) and I'm not must of an electrical guy to begin with. I of course know enough to check fuse, relay, bulbs, which I've done, AND replaced them (except for fuses, as they're clearly not blown).
    I do have constant highs when holding back the multi switch, though I think that's likely irrelevant, assuming it's just the "flash to pass" function?
    ANY HELP WOULD BE SERIOUSLY APPRECIATED! THANKS IN ADVANCE!
     
  2. Dec 20, 2021 at 5:47 PM
    #2
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    Are you checking things with a DVM, including the fuses?
     
  3. Dec 20, 2021 at 5:53 PM
    #3
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    No, as I mentioned, not much of an electrical guy
     
  4. Dec 20, 2021 at 5:57 PM
    #4
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    Well, you need to borrow or buy one to see where voltage exists and test components.

    Or find a friend who can help.

    Or pay a pro.

    Guessing on the internet is just that.

    Guessing.

    Under $10 will get an adequate unit at harbor freight
     
    Last edited: Dec 20, 2021
  5. Dec 20, 2021 at 6:09 PM
    #5
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    So, using a power probe, no power at fuses, but they're not blown.
    Also, this image is of the headlight relay. Green arrows have power, yellow have none

    IMG_20211220_210440168~2.jpg
     
  6. Dec 20, 2021 at 6:10 PM
    #6
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    Crap, that was backwards.
    Yellow power
    Green no power
     
  7. Dec 20, 2021 at 6:13 PM
    #7
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    You need to test fuses for continuity. Because they dont always visibly fail

    Does test light show power at the socket (bulb out, switch on, test light on, well grounded)
     
  8. Dec 20, 2021 at 6:17 PM
    #8
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    No, there's no power at the socket
     
  9. Dec 20, 2021 at 6:20 PM
    #9
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    By the way, this is something I would look to a electrical professional in an instant.
    However, as with MANY people I realize, the last couple years have been extremely hard.
    Which began with getting laid off simply because when the world went into their respective panic, nobody was having their vehicles worked on. It all went downhill from there. All that to say, I'm not currently in a position to pay for such a thing
     
  10. Dec 20, 2021 at 6:39 PM
    #10
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    So no power at socket with the lights switched on and no power at the (well grounded) test light...
    what would that indicate?
     
  11. Dec 20, 2021 at 6:41 PM
    #11
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    Could it be the ignitor
     
  12. Dec 20, 2021 at 6:51 PM
    #12
    crashnburn80

    crashnburn80 Vehicle Design Engineer

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    There is no igniter on a halogen. If you have no power at the socket, and no power at the fuse, it is likely the relay that has failed.
     
  13. Dec 20, 2021 at 6:52 PM
    #13
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    It's a new relay
     
  14. Dec 20, 2021 at 6:52 PM
    #14
    godssoldier04tacoma

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  15. Dec 20, 2021 at 6:54 PM
    #15
    crashnburn80

    crashnburn80 Vehicle Design Engineer

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    Do you have power at the relay plug? Brand new relays can be bad.
     
  16. Dec 20, 2021 at 7:07 PM
    #16
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    That was the photo I sent...
    Power at the yellow arrows
    No power at the green arrows

    IMG_20211220_210440168~2.jpg
     
  17. Dec 20, 2021 at 10:23 PM
    #17
    crashnburn80

    crashnburn80 Vehicle Design Engineer

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    If you have power at the relay plug, but no power after the relay, it sounds like a problem with the relay. Can you audibly hear it click when you activate the headlights?
     
  18. Dec 21, 2021 at 3:22 AM
    #18
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    I can't, bit that doesn't mean it's not, don't have the greatest hearing.
    Ironically, that was my first thought. Even though I JUST put a new relay in it, I brought it back to the parts store and told them I suspected it was faulty, but unfortunately they didn't have another one in stock so I wasn't able to find out for sure. However given that's something you believe is a possibility I'll certainly find another AutoZone in be sure to get one today
     
  19. Dec 21, 2021 at 7:10 AM
    #19
    Joshtpa

    Joshtpa New Member

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    Do you have daytime running lights? There’s a fuse for that also. Possible headlight switch as well. Need to check for power there.
     
  20. Dec 21, 2021 at 8:25 AM
    #20
    godssoldier04tacoma

    godssoldier04tacoma [OP] Member

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    Yes, I have running lights. And yes, my thought was possibly the multi function switch
     

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