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Author Topic:   wiring for bilge pump
rcasey13 posted 03-06-2009 10:36 PM ET (US)   Profile for rcasey13   Send Email to rcasey13  
I have 17' Zodiac and am trying to install a 500 GPH pump. My problem is with the electrical. So basically their are 4 wires in total, two coming out of the pump and 2 out of the floater/automatic piece. The Pump's 2 wires are brown(which says (to positive feed) and black (negative). The floater's two cables are brown (which) says to connect to the other brown led and a red/brown wire that says to "go directly to positive".

So I'm a bit confused about how to wire this up. In addition to this I have a 3-way switch, manual/off/automatic.

So should the two brown wires from the pump and floater switch be combined into one wire or should they stay separate until the 3-way switch where one would activate the the manual switch and the other would activate the automatic one.

But by going by the stickers that are on the wires make it seems that the two brown wires should be connected, but that seems to contradict the setup of the 3-way switch.

Also I read that the power to the bilge pump should be wired directly to the battery using a fuse?

Thanks, Ryan


Bella con23 posted 03-07-2009 08:39 AM ET (US)     Profile for Bella con23  Send Email to Bella con23     
This should answer your questions, check back if not - http://continuouswave.com/whaler/reference/bilgePump.html
Joe
Chuck Tribolet posted 03-07-2009 08:43 AM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
Does your boat live on a trailer?

Center of the switch to battery positive via an appropriate
fuse.
Switch Brown-Red to Automatic side of switch.
Switch Brown to pump brown and the Manual side of the
switch. (Three wires).
Pump Black to battery negative.

If you aren't too sure which sides of the switch are manual
and automatic, just guess, if you are wrong the switch will
work backwards so switch the wiring.

If the switch has four terminals, the fourth is ground for a
pilot light and you may need to dig up the manufacturers spec
on the web.

I'd solder all the connections in the bilge and cover with
the Ancor hot-melt-glue-lined heat shrink tubing. Be sure
put the heat shrink on before soldering (been there, forgot
to do that a couple of times).

This is all simple high school electricity class stuff. If
you don't feel comfortable with it, get a buddy to help.


Chuck

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