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IG1 10a fuse blowing

Discussion in '2nd Gen. Tacomas (2005-2015)' started by toyotalady, Feb 8, 2019.

  1. Feb 8, 2019 at 4:05 PM
    #1
    toyotalady

    toyotalady [OP] New Member

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    My 2008 Tacoma is repeatedly blowing the "IG1" 10a fuse. When it started, the VSC started flashing and the CEL and car with the squiggly lines behind it symbol light came on solid. The speedometer and the turn signals stopped working, too. I've replaced the fuse several times in the last week. The first time I drove 1.1 miles and all was normal. Started it up again and the fuse blew. I borrowed a friends code reader and it has a P0500 code. This last time I replaced the fuse my turn signals and speedometer were working but the VSC, CEL, and the squiggly car stayed on. I only drove for about 2 miles after replacing the fuse. Any help would be greatly appreciated.
     
  2. Feb 8, 2019 at 4:34 PM
    #2
    08TacoTrD

    08TacoTrD Well-Known Member

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    5100's and 883 OME Coils TRD Exhaust Deaver 1.5" AAL Rear Differential Breather Extension, 4WD Light, Tailgate Pipe clamp, Fog lights on while High Beams on, Carrier Bearing flip
    Any modifications to the truck?
     
    Lester Lugnut likes this.
  3. Feb 8, 2019 at 4:44 PM
    #3
    Lester Lugnut

    Lester Lugnut Well-Known Member

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  4. Feb 8, 2019 at 6:29 PM
    #4
    toyotalady

    toyotalady [OP] New Member

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    no mods just slightly larger tires than stock done 4 yrs ago.
     
  5. Feb 8, 2019 at 7:38 PM
    #5
    hemitruk

    hemitruk Well-Known Member

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    Need to find out what circuits run off that fuse . Working on a 05 rav4 blowing gauge fuse . Ac and blower, 3 pass windows, rev lites , speedometer all not working not to mention vss, trac and check engine lite on. because of gauge fuse .Kind of crazy how different circuits connected to that one fuse . Owners manual will tell you what runs off of each fuse .
    Found wiring diagram on ebay so now time to trace down wiring .:facepalm:
     
  6. Feb 9, 2019 at 6:49 AM
    #6
    Jimmyh

    Jimmyh Well-Known Member

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    hemitruk likes this.
  7. Feb 10, 2019 at 10:43 AM
    #7
    toyotalady

    toyotalady [OP] New Member

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  8. Feb 10, 2019 at 1:44 PM
    #8
    Troyken

    Troyken Well-Known Member

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    From the diagram posted, it seems like the ign1 fuse is involved in a lot but notably, TRAILER TOWING. I wonder if you have salt and wet slush in the trailer socket if you are so equipped.
     
    Jimmyh likes this.
  9. Feb 11, 2019 at 6:30 PM
    #9
    toyotalady

    toyotalady [OP] New Member

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    The trailer socket was exactly where we went on Saturday. Found a small amount of dirt in there, blew it out, put in a new fuse and VOILA! Hasn't blown the fuse since. Thank you all for your input.
     
  10. Feb 11, 2019 at 6:45 PM
    #10
    Troyken

    Troyken Well-Known Member

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    I'm glad it worked out for you. That salty conductive mess is a disaster.
     

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