noob question, dpdt

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=17597
Printed Date: November 05, 2025 at 12:17 PM

Topic: noob question, dpdt

Posted By: sakuma6
Subject: noob question, dpdt
Date Posted: August 14, 2003 at 5:46 PM

we are installing a kill switch on my car today, and i need help doing so.we have a 12v heavy duty car relay, dpdt relay, magnetic reed switch, 12v LED and a normally off pushbutton.we are trying to make it so that the pushbutton immobilizes the car, and swiping a magnet past the reed switch, the car will be drivable again.we are hooking this up to my EFI system. and we are pretty much clueless.https://www.autospeed.com/A_0059/cms/article.html thats where the idea came from

Replies:

Posted By: xetmes
Date Posted: August 14, 2003 at 6:44 PM

hah, that diagram should work, its not very easy to read... what exactly is the problem? Having a hard time just getting it all set-up (i could understand from that diagram). I dont understand why they say "earth" lol i dont know many people with and earth ground in a car...

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