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Rule Bilge pump basic 2 wire question

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Rule Bilge pump basic 2 wire question

Old 05-21-2019, 05:14 AM
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Default Rule Bilge pump basic 2 wire question

when I wired up my new Rule bilge pump, I hooked the brown wire up to hot and black wire up to ground. (Per instruction manual) The pump turned on but did not pump out any water. So I read on-line how if the pump is wired backwards, the pump will go in reverse and not really work. SO I hooked the brown up to ground and the black up to hot and the pumped kicked on and pumped the water out.
Have you ever heard of a pump being wired backwards at the pump? I mean it’s sounds crazy that I am running the black wire right from the pump to the hot lead and NOW the pump works correctly. I’m just going to leave it hooked up this way because it works but it kinda bothers me that I have the black wire hooked up to the hot lead. Is this bad? Burn out pump? Or idk..pop a fuse or cause a spark?...

thoughts?
Old 05-21-2019, 05:18 AM
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Originally Posted by JLFlynnNY View Post
when I wired up my new Rule bilge pump, I hooked the brown wire up to hot and black wire up to ground. (Per instruction manual) The pump turned on but did not pump out any water. So I read on-line how if the pump is wired backwards, the pump will go in reverse and not really work. SO I hooked the brown up to ground and the black up to hot and the pumped kicked on and pumped the water out.
Have you ever heard of a pump being wired backwards at the pump? I mean it’s sounds crazy that I am running the black wire right from the pump to the hot lead and NOW the pump works correctly. I’m just going to leave it hooked up this way because it works but it kinda bothers me that I have the black wire hooked up to the hot lead. Is this bad? Burn out pump? Or idk..pop a fuse or cause a spark?...

thoughts?
Made by a -------- person who is color blind.
Old 05-21-2019, 05:23 AM
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Take the bottom off and see which way the impeller turns. It may be upside down. I’d return it. I installed 1000’s of them and never heard of one like you have. Not sure it will hurt anything the way that you have it but, I’m way too anal to let it go. The quality of their product is not what it was .
Old 05-21-2019, 06:45 AM
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I think that your boat is wired backwards at the pump. Seen it before right from the factory. Leave it wired the way that it is
Old 05-21-2019, 07:16 AM
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Put a digital volt meter between the black and brown, black on black, red on brown. Turn the switch on should read +12 volts. If it reads -12 volts you're wired backwards. You should repair that.
Old 05-21-2019, 07:57 AM
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My Nav lights are wired backwards, apparently...
Old 05-21-2019, 03:17 PM
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Originally Posted by JLFlynnNY View Post
when I wired up my new Rule bilge pump, I hooked the brown wire up to hot and black wire up to ground. (Per instruction manual) The pump turned on but did not pump out any water. So I read on-line how if the pump is wired backwards, the pump will go in reverse and not really work. SO I hooked the brown up to ground and the black up to hot and the pumped kicked on and pumped the water out.
Have you ever heard of a pump being wired backwards at the pump? I mean it’s sounds crazy that I am running the black wire right from the pump to the hot lead and NOW the pump works correctly. I’m just going to leave it hooked up this way because it works but it kinda bothers me that I have the black wire hooked up to the hot lead. Is this bad? Burn out pump? Or idk..pop a fuse or cause a spark?...

thoughts?
Is the pump really a Rule clone made by WEMA?


I've never heard of a bilge pump wired wrong at the factory , but you never know... .
If you truly tested your supply and ground wires to confirm + & - , I highly advise clearly labelling the wires on both sides of the connections Positive or Negative, and note on the pump it was internally wired in reverse, to avoid mistakes in the future. .
Make sure you have the correct fuse in the positive lead.

Last edited by TTaxi; 05-21-2019 at 03:30 PM.
Old 05-21-2019, 03:26 PM
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Them wires don’t know what color they are , if it’s rotating the right way let it be. .
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Old 05-21-2019, 05:35 PM
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Maybe it was made on a Monday after a large weekend
Old 05-21-2019, 06:00 PM
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Thanks for the feedback. The only other thing I’m thinking when I first installed this bilge pump and filled up the bilge with a hose to test it, maybe the pump was airlocked, which why it was not working. AND when I switched the wires to “reverse”, it got rid of the airlock and pumped out the water. (I read online that a bilge pump CAN work in reverse but at a lesser capacity than if spinning forward). I’ll wait to the Fall or a rainy day to switch the wires back to the “correct” way at the switch and see what happens. Long story short, I installed this new 3rd bilge on my boat because during heavy rain, water gets into my bilge through my retractable cleats and anchor locker, the water collects in an area that neither my front bilge or stern bilge are even close to getting. So the other day after some heavy rain, when I turned the new bilge button “on”, no water pumped out...I had to turn the switch on and off a couple times before the water started pumping. Almost like it was air locked again. So maybe when I originally hooked up the bilge pump “correctly”, I should have primed the pump first...Before impatiently switching the wires. IDK?? 🙃
Old 05-21-2019, 06:15 PM
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Sucks that you have check everything these days. What happened to red a black fir DC? European wiring standards the brown, blue and black white is hmUS standard. Little Chinese guy caught in the middle. Two wires he's right 50%.
Old 05-22-2019, 03:52 PM
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It’s a cartridge type right . Pull it up and check the rotation of the impeller. Just a clip push to remove if so. Priming a bilge pump would be a silly thing to have to do , right?
Old 05-22-2019, 05:35 PM
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check to see if the wire to the bilge have been spliced at some point in the past.
If the pump has been replaced previously the wires may have been clipped and then needed to be extended to reach the pump wires.
I've seen all kind of spliced wires where the owner reversed colors leaving the new owner confused when he happens upon them.

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