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Bilge Pump Float Switch Location
IceT
Member Posts: 5 ✭✭
Where is the bilge pump float switch located on a 2015 SD2400OB? My pump only works when I use my dash board switch. Never comes on via the float switch. Any ideas and suggestions are welcome.
Tim
Best Answer
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@IceT. Couple of suggestions and thoughts as I've had this problem on my 2010, and my 2002 Hurricanes and pretty much every other boat I've dealt with troubleshooting bilge pumps on.
Your boat will have an automatic float switch on the bilge pump. You've indicated it works when you run it manually so it is operational.
Next step I'd try is dumping excessive amounts of water into your bilge to test it. Don't be surprised at how much water it will take but you should see the water level above the base of your bilge pump to activate the switch. (This is a good spring start up test for us seasonal boaters, and a good test twice annually for those who are fortunate enough to operate their boats year round)
If after that it still does not operate, then you have a constant power issue.
The bilge pump will have a ground wire, a switched power (this is what connects to your helm switch) and a constant power with an inline fuse (typically a 4A blade style enclosed in a sealed fuse holder)
Follow the wires (typically brown with stripe) from your bilge pump. One should run to your battery with the inline fuse. This provides the constant power feed to the pump that the float switch will turn on/off.
Check the fuse for it being failed or corrosion (yes its in a sealed holder, and yes it will still get corrosion - I did) You can use a voltmeter or test light on the pump side of the fuse to see if you're getting a 12V feed.
If this all checks out good, it may be simply the float switch itself inside the pump that is problematic.
Hope this helps.
------------------------------------------------------------------------------2010 Hurricane SS 188 OB
2010 Mercury Optimax 200HP / Mercury SS High Five 19P
2010 Trailmaster SC trailer
Answers
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Two possibilities.
Follow all of the wires coming out of the pump, one should lead you to the switch. Or, you have a pump with a built in switch like I had on my old Hurricane 201.
On my boat, the pump rarely kicked on by itself. Only if it had been pouring rain all week (I wet slip) and I walked to the back of the boat. The extra weight would be enough was enough to make it turn on.
2003 GS211 Yamaha 150 HP OX66
