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Highbeams out with no voltage

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Rat_Bastard, Oct 15, 2020.

  1. Oct 15, 2020 at 7:15 PM
    #1
    Rat_Bastard

    #1
    Rat_Bastard [OP] Well-Known Member

    Joined:
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    #248855
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    First Name:
    Brian
    Tucson AZ
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    2016 OR
    My highbeams are out and the high beam cable connector is barely getting a read from voltmeter. (.02). Low beams, DRL are working. I checked the fuses under the hood. Can't find a high beam fuse. Any troubleshooting tips are greatly appreciated.
     
    Rat_Bastard, Oct 15, 2020
    #1
  2. Oct 15, 2020 at 11:06 PM
    #2
    Captqc

    #2
    Captqc Well-Known Member

    Joined:
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    It’s in this file. Good hunting!
     

    Attached Files:

    Captqc, Oct 15, 2020
    #2
    Rat_Bastard[OP] likes this.
  3. Oct 15, 2020 at 11:23 PM
    #3
    crashnburn80

    #3
    crashnburn80 Vehicle Design Engineer

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    Did you check the high beam relay? There should be a high beam fuse as well (at least there is in 2nd Gen). Look at the underside of your fuse box cover for the fuse mappings.
     
    crashnburn80, Oct 15, 2020
    #3
    Rat_Bastard[OP] likes this.
  4. Oct 15, 2020 at 11:33 PM
    #4
    caribe makaira

    #4
    caribe makaira Well-Known Member

    Joined:
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    Caribbean, Puerto Rico
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    Hood Struts, My version Fogs always ON, Map & Overhead Light Mod,
    upload_2020-10-16_2-33-16.jpg
     
    caribe makaira, Oct 15, 2020
    #4
    Rat_Bastard[QUOTED][OP] and TnShooter like this.
  5. Oct 15, 2020 at 11:34 PM
    #5
    TnShooter

    #5
    TnShooter The TacomaWorld Stray

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    Caribe beat me to it.
    And as always, did an excellent job:thumbsup:


    20A Dimmer fuse to the Dimmer Relay
    Dimmer relay to 10A H-LP/RH-HI and 10A H-LP/LH-HI fuses
    Dimmer relay is controlled by the Body ECU
     
    TnShooter, Oct 15, 2020
    #5
    Rat_Bastard[OP] likes this.

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