12V 3 Way Switch

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=13965
Printed Date: May 01, 2025 at 8:39 PM

Topic: 12V 3 Way Switch

Posted By: mnw001
Subject: 12V 3 Way Switch
Date Posted: May 25, 2003 at 12:12 PM

I would like to install a 3 way switch in my boat to turn on and off a 12v pump from either the back or the front of the boat. Can anyone tell me the best way to do that and what switches or relays to use and also how to wire it. I would like to use the automotive type rocker switch if possible. One of the switches will be in the engine compartment so should be arc proof..

Thx Murray

Replies:

Posted By: TomEllis
Date Posted: May 27, 2003 at 1:58 PM

It is doable. You will need two SPDT (on-on) switches.
Here is a drawing that I drew up for you.

posted_image

Hope this helps,
Tom

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