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4x4 keeps blowing fuse.

Discussion in 'Chevy C/K Truck Forum' started by K3500 Guy, Dec 14, 2013.

  1. K3500 Guy

    K3500 Guy New Member

    My 1999 K3500 keeps blowing the fuse for 4x4. I replaced the entire wire harness and installed new protective shield and heat tape on it, so it shouldn't be the wiring. Any ideas?
  2. RayVoy

    RayVoy Active Member 1000 Posts

    Unplug the t-case and see if it blows.

    Unplug the control module and see if it blows.
  3. Albert

    Albert New Member

    It looks like there is still a short circuit in the interlock or any of the lights beacuse they are all connected to the same fuse. Check the wirings again for any breakage and also make sure your battery and wires are in good shape.

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