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Fuse for tail lights and dashboard continues to blow/burn...

Discussion in 'Electronics' started by 5678tyui, Jun 12, 2014.

  1. 5678tyui

    5678tyui Well-Known Member Donated!

    On my 88' 3s-fe, the fuse for tail lights and dashboard continues to blow/burn.

    Before it would happen intermittently, but now when I replace the 15 amp fuse (located in the upper right corner of the driver's left sidekick panel), it blows immediately as soon as I turn on the lights.

    Today I tried replacing the "Taillight control relay" with one from another used for the AC, but the fuse still blows.

    Ideas appreciated, thanks.


    Edit/Update: I just saw a thread on this site with a problem same as mine(link below). Interesting how it was solved. In brief, a 50 amp fuse place in this slot for 5 seconds or long enough to see a smoke coming from behind the panel. This shorted wires were fixed and problem resolved.

    I'll first try looking behind the panel before I do the 50 amp fuse.

    Last edited: Jun 12, 2014
  2. 5678tyui

    5678tyui Well-Known Member Donated!

    So I found the short, it was one of the wires for the heater/ac unit. It was a wiring job that I did. Oops, ugh.

    By the way, it was located when my friend was doing some testing, and smoke came up from the dashboard. As I can understand, the smoke-and-locate method is discouraged, but it did help us locate it quickly. Above all, we were lucky without any further damage.
  3. Mafix

    Mafix Owner Staff Member Administrator Donated!

    the "short test" works well on old cars.

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