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Fusible link upgrade Help

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  • Fusible link upgrade Help

    I have an '88 and the fusible links and the box itself melted. I went to my local auto parts store and asked about it since i have never done this sort of thing before and they recommended that I upgrade to a actual fuse box instead. Well now i have an issue with the wire that was the "Main" on the fusible links always blowing the fuse when i connect the battery. I have a 30 amp fuse in it and it still blows immediately.

    Has anyone had any experience upgrading from the fusible links to actual modern fuses. Im using ATM but might have to upgrade to MAXI it seems.

    Thanks

  • #2
    duplicate post removed

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    • #3
      Duplicate post removed
      Last edited by 1990new; 06-04-2021, 12:52 PM.

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      • #4
        Duplicate post removed
        Last edited by 1990new; 06-04-2021, 01:00 PM.

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        • #5

          Sorry about the duplicate post but I was having trouble getting the post update function to work right.

          The fact that the box melted is an indicator that you power is going direct to ground somewhere and the fact that the 30 amp fuse blows immediately means that you still have the ground short.

          You must find that ground short and fix it before you end up having to replace all of your wiring.

          Here is a good basic you tube video that explains how to find ground shorts.
          https://www.youtube.com/watch?v=M4LGykZiRtY

          Here is a link to a post in this forum that will tell you a lot about the grounding issues. One point it makes clear is that the main fuse carries live power to parts of your car as soon as the batter is connected so it the fuse blows as soon as you connect the batter without the switch on. the short is before the switch.
          If this is the case with you, the first thing to look for is a short in the white wire that goes from the main fuse to the alternator. Lots of other good hints in that thread. Also do a search on "ground" in the forum to find lots more.

          https://fordfestiva.com/forums/forum...lown-main-fuse
          Last edited by 1990new; 06-04-2021, 01:00 PM.

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