Auto switch bilge pump wiring

R

ronlined

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Sep 5, 2010
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I have a 2002 Bayliner 185 Capri that came with a 500gpm Johnson pump wired to a two position on off switch. I purchased a compatible Johnson automatic switch to attach to the pump. The auto switch has 3 wires. All of the Johnson diagrams so it wired to a three way switch, not a simple on/off switch. The boat is in the water 24/7 for the summer. Should I wire the auto bilge switch directly to the battery & pump or will this mess with the on/off switch at the control panel?
Puzzled in Lake Arrowhead.
 
5150abf

5150abf

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Aug 12, 2007
Messages
5,808
Re: Auto switch bilge pump wiring

Wire it to the battery or a constant on source and then + to the dash switch that is grounded to the battery then it is a manual automatic.

I have the one on my boat wired this way and if you have your boat in the water you certainly want the float switch wired.
 
R

ronlined

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Sep 5, 2010
Messages
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Re: Auto switch bilge pump wiring

Thanks, I now have my project for tomorrow. I will let you know how it turns out.
 
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