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  • Any electrical experts in here?

    I just found a section of burnt 16 gauge fusible link on my voltage regulator circuit. On hand I have 14 gauge fusible link, can I use that without causing problems or is the 2 gauge difference asking for trouble?
    '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '18 Edge SEL AWD

    My Mach's restoration progress
    My Sprint's restoration progress
    ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith

  • #2
    Gauge size is just like fuse size. 14 gauge would give you a bit more time before it burned out versus the 16 gauge. Question is, why did it burn to start with? Direct short somewhere? I don't think one size difference would make a lot of difference [all gauges I ever saw were even numbered] , but I'd want to know what overloaded it to start with.
    ----1999 F150 XLT Lariat Super Cab 4X4 5.4----
    -----1947 Lincoln Zephyr Coupe 5.0-----
    -----2005 Expedition Eddie Bauer 5.4----
    " Sometimes you fix the car, sometimes the car fixes you" Steve L.

    "Do not let anyone tell you it cannot be done. No challenge can match the heart and fight and spirit of America". President Donald J. Trump

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    • #3
      I know exactly why it burnt out, the last time the Sprint was running, somebody helping me hooked up jumper cables backwards, and PFFT! The fusible link did it’s job and gave up it’s life.

      I guess I just need to find out the amperage difference between the two gauges and go by that.
      '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '18 Edge SEL AWD

      My Mach's restoration progress
      My Sprint's restoration progress
      ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith

      Comment


      • #4
        Well, I guess that’s easy enough:




        A) common wire sizes
        B ) their name as a given gauge (AWG=American Wire Gauge)
        C)permissible current when used in the engine compartment (176degrees and
        D) other areas.

        A B C D
        0.3 AWG22 - 5A
        0.5 AWG20 7A 13A
        0.85 AWG18 9A 17A
        1.25 AWG16 12A 22A
        2.0 AWG14 16A 30A
        3.0 AWG12 21A 40A
        5.0 AWG10 31A 54A
        So, it’s a 4 amp difference.
        '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '18 Edge SEL AWD

        My Mach's restoration progress
        My Sprint's restoration progress
        ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith

        Comment


        • #5
          4 Amps probably won't make a big difference. Most factory fuses and fusible links are a bit undersized anyway to protect the wiring quicker. I'd use what I had myself.
          ----1999 F150 XLT Lariat Super Cab 4X4 5.4----
          -----1947 Lincoln Zephyr Coupe 5.0-----
          -----2005 Expedition Eddie Bauer 5.4----
          " Sometimes you fix the car, sometimes the car fixes you" Steve L.

          "Do not let anyone tell you it cannot be done. No challenge can match the heart and fight and spirit of America". President Donald J. Trump

          Comment


          • #6
            Originally posted by ford84stepside View Post
            4 Amps probably won't make a big difference. Most factory fuses and fusible links are a bit undersized anyway to protect the wiring quicker. I'd use what I had myself.
            That’s my plan. I happen to have three 14 gauge links on hand, and now place for two of them, and I thought I had over bought when I found a pack of three.
            '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '18 Edge SEL AWD

            My Mach's restoration progress
            My Sprint's restoration progress
            ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith

            Comment


            • #7
              I'd just run a 35 amp paperclip if your worried about it
              1965 Poppy Red Three Peddle Gear Banger
              347 Stock Block Pump Gas Street/Strip 10.44 @ 125.97 Old Combo
              363 Dart Block Pump Gas Street/Strip - 10.11 @ 133.17 so far

              2005 Torch Red Topless Three Peddle 12 valve Monster
              244 Stock Block Pump Gas Street /Street Much Slower


              Current CI Count - 104

              Comment


              • #8
                Originally posted by Poppy65 View Post
                I'd just run a 35 amp paperclip if your worried about it
                I stopped working at a Dodge dealership in 1985.
                '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '18 Edge SEL AWD

                My Mach's restoration progress
                My Sprint's restoration progress
                ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith

                Comment


                • #9
                  Originally posted by stevelariviere View Post

                  i stopped working at a dodge dealership in 1985. :d
                  .lol!
                  1965 Poppy Red Three Peddle Gear Banger
                  347 Stock Block Pump Gas Street/Strip 10.44 @ 125.97 Old Combo
                  363 Dart Block Pump Gas Street/Strip - 10.11 @ 133.17 so far

                  2005 Torch Red Topless Three Peddle 12 valve Monster
                  244 Stock Block Pump Gas Street /Street Much Slower


                  Current CI Count - 104

                  Comment


                  • #10
                    I'm very late to this thread, I expect you have already done it, but yes you can use it. You are giving it more capacity which is acceptable. You would not be able to go the other way (use 18 gauge) because it wouldn't handle the intended amperage of the original design. Since you would not be affecting the fuseable link (the fuse would still fry first), it should have no effect on your circuit.
                    It isn't an official project until you've bled on it!

                    M&M Member #33
                    '66 Coupe C code
                    '01 Saleen S281SC #648

                    Comment


                    • #11
                      Yes, it’s weaved in there.
                      '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '18 Edge SEL AWD

                      My Mach's restoration progress
                      My Sprint's restoration progress
                      ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith

                      Comment

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