2000 Hyundai Sonata GLS radio fuse constantly blowing

Discussion in 'Hyundai Sonata' started by Bronco Dee, May 9, 2004.

  1. Bronco Dee

    Bronco Dee Guest

    The radio fuse is constantly blowing and we have replaced it multiple
    times. The first time I ever noticed it was when I hit a dip in the road.
    Is this a fairly common problem? If not, I'll just pull the radio out to
    try and locate a shorted wire. Also, any special trick to removing the

    Bronco Dee, May 9, 2004
  2. Bronco Dee

    TR7 Driver Guest

    I had a similar problem with a 1988 Dodge Diplomat. Turned out to be a short
    (pinched wire) in the dome light! That light and the radio were on the same
    fuse. Also this defect was highly intermittent. It would be fine for weeks at
    a time and then would pop the fuse 5 - 6 times in a row. Here's how I located
    the problem.

    Wire in an 1157 bulb in place of the fuse. If it glows brightly there is a
    short circuit. Tap around the dash board, the ceiling, the door panels, etc.
    When the light goes out
    you know you're in the area of the short.

    This is not guaranteed to work in all cases but should be an aid in finding a
    short circuit in the car's wiring. I assume you've already disconnected the
    power feed to the radio; thus eliminating the possibility that the radio itself
    is causing the problem.
    TR7 Driver, May 9, 2004
  3. Bronco Dee

    hyundaitech Guest

    Is this the constant power fuse, the switched power fuse, or the fuse in
    the back of the radio?
    hyundaitech, May 9, 2004
  4. Bronco Dee

    Bronco Dee Guest

    This is the fuse in the fuse panel. It's the little 10 amp fuse.
    Bronco Dee, May 10, 2004
  5. Bronco Dee

    hyundaitech Guest

    There are two 10A fuses in the fuse box which control the radio.

    One is the constant power fuse which also provides power to the keyless
    entry control module, the power antenna, the clock, the cluster, and the
    A/C control head. If this is the blown fuse, it could be caused by any of
    these items or a pinched wire, or the radio.

    The other fuse is the switched power to the radio which provides power to
    the radio only. Blowing this fuse would be caused by a pinched wire or
    the radio.

    You can check the schematics yourself at www.hmaservice.com. Select
    "Service Information," "Web Tech," and ETM and then put in your vehicle
    information. If the fuse is only blowing intermittently and you are
    having difficulty understanding which fuse has what purpose, then this may
    be a job best left to a professional. The next step in determining what
    is causing a fuse to blow intermittently when it powers numerous items is
    to wire in-line fuses to each of the items and see which fuse blows. This
    narrowing process can continue for quite some time.
    hyundaitech, May 10, 2004
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