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Old 06-06-2018, 02:18 PM   #1
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Default 2002 2900 scr bilge float switch

Looking to make my bilge pump to work with float switch and console switch. Have check wiring I tried new pump and float switch can't get right combo. Must not have wiring correct ??
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Old 06-06-2018, 02:55 PM   #2
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Your bilge pump is one unit or two different one?
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Old 06-06-2018, 04:30 PM   #3
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Pump is one unit and the float switch is another unit. Float should kick in automatic when water is in the bilge. Pump works from the switch on dash but it should also work by the float switch on auto if there is water. Power to the 2 brown wires when switch is on at dash. All units are new
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Old 06-06-2018, 04:58 PM   #4
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Quote:
Originally Posted by rickm View Post
Pump is one unit and the float switch is another unit. Float should kick in automatic when water is in the bilge. Pump works from the switch on dash but it should also work by the float switch on auto if there is water. Power to the 2 brown wires when switch is on at dash. All units are new
Ok I got it
Here is the diagram how its should be.
And another one with light in the line.
And one for the wire colors....just in case.
Just click on any of the diagram to large view.
Good luck.
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Old 06-06-2018, 06:25 PM   #5
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Originally Posted by Gugi47 View Post
Ok I got it
Here is the diagram how its should be.
And another one with light in the line.
And one for the wire colors....just in case.
Just click on any of the diagram to large view.
Good luck.
Good diagrams however all three have the float power going through a switch which not recommended. The float should get its power directly from the battery and have a separate in line fuse. This way the float cannot be accidently unpowered.
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Old 06-06-2018, 08:06 PM   #6
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Mike your right and the power wires our the 2 brown wires which is 1 to pump and 1 to float switch but no power until I hit the switch on dash. 1 of the brown wire should be power all the time.
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Old 06-06-2018, 09:01 PM   #7
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Good diagrams however all three have the float power going through a switch which not recommended. The float should get its power directly from the battery and have a separate in line fuse. This way the float cannot be accidently unpowered.
The switch is NO or NC when water close the circuit turn the pump ON an yes go to the switch to turn it ON manually....
But guys do it in your way. I just try to help here.....
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Old 06-06-2018, 09:29 PM   #8
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Originally Posted by rickm View Post
Mike your right and the power wires our the 2 brown wires which is 1 to pump and 1 to float switch but no power until I hit the switch on dash. 1 of the brown wire should be power all the time.
Then would run non stop....
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Old 06-06-2018, 09:33 PM   #9
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The float can’t be powerd is only a switch
The wire from the switch auto side can go straight to the battery or power side of the switch
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Old 06-07-2018, 12:09 AM   #10
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The switch is NO or NC when water close the circuit turn the pump ON an yes go to the switch to turn it ON manually....
But guys do it in your way. I just try to help here.....
I see what you are saying but that info is not clear on the diagram.

When the switch is in the manual position power is removed from the float and applied directly to the pumps motor. In the auto position it is applied to the float that must close due to high water to power the pump.

What I donít care for is there is a switch that can fail in line with the float this is why boat manufacturers power the float directly from the battery.

BTY no one is trying to offend anyone here and all inputs are welcome.
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