Bilige Pump 101

Discussion in 'Newbie Lounge - NEW' started by Itmightwork, Jul 9, 2019.

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  1. Itmightwork

    Itmightwork New Member

    9
    Jun 30, 2019
    Searayder F16XR
    175hp Merc
    I need the basics here. I have a 97 Searay jetboat. About 2 weeks ago, it took on water.

    I found 1 of the drain plugs we're stripped out.

    And, the fuse for the bilige pump was blown. I replaced the fuse. Sitting the trailer, when you hit the switch, should you hear the bilige pump kick in??

    Because I hear nothing.

    Or, does it only work when water start filling in.
     
  2. NotHerDecision

    NotHerDecision Well-Known Member PLATINUM Sponsor

    Jun 28, 2016
    Houston, Texas
    2001 Sea Ray 460 Sundancer
    2014 Seadoo 155 LTD
    2105 Seadoo 130 SE
    2013 Mercury Dinghy
    Cummins 6CTA 8.3L
    Bilge pumps should not be fused.
     
  3. Carpediem44DB

    Carpediem44DB Active Member

    400
    Aug 18, 2015
    Sanfransico Bay area
    2006 44 DB Sedan Bridge Raymarine gS165 w Quantum HD Radar
    cummins QSC 8.3 500 HD
    There should be a float switch in the circuit paralleled in so that it will come on automatically upon water reaching a certain level. You should be able to turn it on with the switch on the panel manually. The float switch should be wired directly to the battery or main un-switched buss. You can lift the float to see if it works automatically.
    Carpe Diem
     
  4. Itmightwork

    Itmightwork New Member

    9
    Jun 30, 2019
    Searayder F16XR
    175hp Merc
    Thank you. I will look into it.

    When I hit the switch on the panel, I don't hear the pump making any sounds, so that why I was wondering.

    Maybe, I can take to the local car wash, fill it up a few inches, and see what happens.
     
  5. BEH

    BEH New Member

    19
    Oct 8, 2018
    Lake Simcoe, Lake Nippissing & French River
    1990 20’ BR, Humminbird Helix 5, 3K Lb Trailer
    4.3 Mercruiser
    Bilge Pump Switch in dash will probably be 3 way.
    Up - Pump on
    Middle - Pump totally off, float switch deactivated
    Down - Float Switch will work.
     
  6. Itmightwork

    Itmightwork New Member

    9
    Jun 30, 2019
    Searayder F16XR
    175hp Merc
    That's probably what I didn't know. I bought it used. The closest thing I can find is this. And it's not much.

     
  7. Itmightwork

    Itmightwork New Member

    9
    Jun 30, 2019
    Searayder F16XR
    175hp Merc
    It had a fuse under the dash marked " bilige pump". I replaced it. After hitting the switch, I don't hear anything. Do, that's why I was wondering if it only works when water starts rising to a certain level.
     
  8. Itmightwork

    Itmightwork New Member

    9
    Jun 30, 2019
    Searayder F16XR
    175hp Merc
    Update: took it out yesterday. After replacing the 2 drain plugs. No water problems this time. Well, very little in the bottom, which I'm assuming in normal. Darn it, I didn't turn on the bilige pump switch when I was driving. Ugh. Next time.
     
  9. techmitch

    techmitch Well-Known Member SILVER Sponsor

    May 1, 2008
    Chesapeake Bay, Middle River/Frog Mortar Creek MD.
    1999 270 DA
    Twin 4.3s W/Alpa I Gen II's
    Never heard of a switch that turns the bilge pump "totally off" ?
     
  10. Itmightwork

    Itmightwork New Member

    9
    Jun 30, 2019
    Searayder F16XR
    175hp Merc
    That's what I'm trying to figure out. I'm not in front of the boat right now.

    If it's down, is it in a auto mode, then if you turn it on, it supposed to kick on and start sucking water out?

    Confused. Lol

    Wouldn't have mattered that one day when I 4 inches of water, the fuse was blown anyways, with no replacement out on the lake. Lesson learned.
     

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