Marine Electronics Forum - 2-wires on Rule Bilge Pump vs. 3 wires

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03-25-2012, 06:37 AM
I am having a ridiculously hard time with my pump. It is in the most difficult position to get to, and now I can't figure out the wiring.

I recently replaced the old one, because after cutting it out and hooking directly to a battery, it didn't work. I bought a new one with two leads, and that does work at the battery. Can I rig this two lead bilge pump to work with the manual switch AND the automatic switch too? I can get it to work with the manual switch, but how do I include the automatic switch too? Thanks in advance.

03-25-2012, 06:50 AM
Hook up ground and the wire from your dash switch. ( dont tape yet)
Where you hook dash switch wire hook one side of float switch and run the other side of float switch to the battery. Most people put a fuse in that line near the battery.

03-25-2012, 07:06 AM
-black wire on pump to ground
-brown wire on pump to manual wire from dash switch and one wire on float switch (3wires)
-auto wire on dash switch to remaining wire on float switch

I always use heat shrink butt connectors. Dont use the part of your crimpers that puts a hole in the heat shrink, defeats the purpose.

Crabpot Man
03-25-2012, 07:59 AM
2 lead requires external float switch, 3 lead has integrated float switch.

03-25-2012, 10:41 AM
Thanks to all!

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