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  • blowing fuses

    my fass pump fuse keeps blowing. I have checked the wiring everything looks fine. Wondering if fass pump is going out. Doesnt blow with 30 amp fuse. I know a bigger fuse is not the answer but it kills me to not have my system working because i look at my diesel gauge droping and feel my wallet getting thinner.
    Last edited by stroker; 09-08-2008, 10:56 AM.

  • #2
    For what it's worth, when a device requires more amperage than usual to operate, generally there is a source of more resistance. Sometimes it can be normal, or a non-issue in the long run, or it can be a sign of eventual failure of the device. I guess this doesn't really help at all, but check wiring for possible short spots, possibly where wire is exposed, or has had an outer wire cover striped( with strippers or a knife), where the strippers actually cut into inner wire cover of both a positive & negative wire at same spot, resulting in a short with wire movement. OR check for loose connections. Otherwise if you are blowing the 30 amp fuses, not from the result of an accidental short, the pump may need to be replaced, BUT it is usually something simple!
    Last edited by captgrady; 09-08-2008, 07:00 PM.
    00' 7.3L Limited EX 4X4, V3 40g tank, Night Vision camera, Icom Ham radio, Urban Survival Vehicle
    Trailer w/90g tank & pump, for collection & trips.

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    • #3
      Stroker, as Capt suggested, check out the wiring. Not only the harnesses, but also the card under the dash. While I understand where you're coming from with the 30 amp fuse, I'd probably have to forego using the system until it operated with the specified amperage fuse. Easier to fix the problem than to risk burning up wiring and possibly the truck!

      Have you talked to Jason or James on this?
      Greasin & Grinin
      Vegi oil powered since Aug 08
      2006 F-250 PSD - CC, Lariat, 4X4 - Vegistroke converted 1/27/13!!
      2008 F-250 PSD - CC, Lariat, 4X4 - Sold
      2005 F-250 PSD - CC, Lariat, 4X4 - Sold

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      • #4
        Hey stroker does it still rain every afternoon in FLA? If so remember the three H's thats heat+humidity=headache.I lived in fort myers in my youth,Used to do car Audio(alot of Subs,amps,crossovers,etc,etc).I worked at a place called "beach Beatz" in Cape Coral in the early 90's.I had a long background in Audio,but when i moved down there i discovered a Quark,Always blew fuses(big expensive ones).This is what it turned out to be, Humidity causes condensation(water),heat in FLA 85-90 this time of year,water "weeps" into electrical componants.Trying dielectrical spray or grease or even "navy grease" before you tear that purdy piece of aluminum,sometimes its the little things..grease out
        2000 7.3X V3 So much fun,so little time,Support small Oil,burn WVO,Free and greasy down the road I go!!!!!!!!!!completely self sufficient and proud of it. (Wood furnace.....X.......solar pontoon....solarsheat twins this summer.....I don't Know much.......I'm just a hillbilly with too many guns..............

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        • #5
          Originally posted by stroker View Post
          my fass pump fuse keeps blowing. I have checked the wiring everything looks fine. Wondering if fass pump is going out. Doesnt blow with 30 amp fuse. I know a bigger fuse is not the answer but it kills me to not have my system working because i look at my diesel gauge droping and feel my wallet getting thinner.
          Stroker,
          Any success figuring out what was causing your pump to be blowing fuses? - Patrick

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