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Fuse question for my M2

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  • Fuse question for my M2

    I have an M2 power supply. I need to know what size of in-line fuse to use at the battery. All I had on hand at the initial hookup time was a 3A and a 15A, so I used the 3A which did ok with just the computer and hd hooked up. But tonight when I added my 10" touchscreen the fuse blew.

    The M2 has a 15A fuse on board.
    2004 F150 STX Heritage:
    Parts:
    ASUS E35M1-I Fusion AMD 1.6GHz DC ~$114
    Patriot 32GB SSD ~$80
    Kingston 4GB ~$25
    1/2" MDF - ~$15
    10" Samsung touch panel - ~270
    M2 Power Supply $85
    GPS Receiver ~ $36
    iGuidance ~100

  • #2
    the M2 can draw up to 15A, so the fuse on your power wire should be 15A (or more). the actual fuse [rating] you use should be no higher than the maximum ampacity of the wire gauge you use to power and ground your M2.
    F150 Truckputer [1.0] (coming soon!)
    Fusion Carputer [2.0]
    Fusion Carputer [1.0]

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    • #3
      Well I used 16 gauge wire cause that is what the leads that came with the power supply was.
      2004 F150 STX Heritage:
      Parts:
      ASUS E35M1-I Fusion AMD 1.6GHz DC ~$114
      Patriot 32GB SSD ~$80
      Kingston 4GB ~$25
      1/2" MDF - ~$15
      10" Samsung touch panel - ~270
      M2 Power Supply $85
      GPS Receiver ~ $36
      iGuidance ~100

      Comment


      • #4
        I highly suggest 12 gauge or thicker to prevent overloading the wires, especially on a run of more than a couple feet.
        For most PC installations, 10 gauge is pretty bulletproof and not difficult to work with.
        Have you looked in the FAQ yet?
        How about the Wiki?



        Under normal circumstances, a signature would go here.

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        • #5
          as Darque said, it would be best to use thicker wire (10-12awg).

          however.. if you insist on keeping the 16awg wire that you already ran, then the highest fuse [rating] you should use is 7.5A
          F150 Truckputer [1.0] (coming soon!)
          Fusion Carputer [2.0]
          Fusion Carputer [1.0]

          Comment


          • #6
            Thanks everyone. I re-ran 10gauge over the weekend with a 15amp fuse.

            16gauge is fine for the ignition wire right?
            2004 F150 STX Heritage:
            Parts:
            ASUS E35M1-I Fusion AMD 1.6GHz DC ~$114
            Patriot 32GB SSD ~$80
            Kingston 4GB ~$25
            1/2" MDF - ~$15
            10" Samsung touch panel - ~270
            M2 Power Supply $85
            GPS Receiver ~ $36
            iGuidance ~100

            Comment


            • #7
              Originally posted by 04f150stx View Post
              16gauge is fine for the ignition wire right?
              yes
              F150 Truckputer [1.0] (coming soon!)
              Fusion Carputer [2.0]
              Fusion Carputer [1.0]

              Comment


              • #8
                Originally posted by 04f150stx View Post
                Thanks everyone. I re-ran 10gauge over the weekend with a 15amp fuse.

                16gauge is fine for the ignition wire right?
                this is an older thread, and I'm about to do the same. Just wanted to make sure a 15amp fuse is still recommend for the m2
                09 Pontiac G8GT [decently modded]
                former carputer owner, given up for iphone

                Comment


                • #9
                  a 15a fuse is whats on the m2 itself, so another 15a fuse located at the source of power (usually battery) is a good idea.

                  Comment


                  • #10
                    I'm still running it with the same setup. No problems 1 year later.
                    2004 F150 STX Heritage:
                    Parts:
                    ASUS E35M1-I Fusion AMD 1.6GHz DC ~$114
                    Patriot 32GB SSD ~$80
                    Kingston 4GB ~$25
                    1/2" MDF - ~$15
                    10" Samsung touch panel - ~270
                    M2 Power Supply $85
                    GPS Receiver ~ $36
                    iGuidance ~100

                    Comment

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