Crazy Idea to use Relays for Keypad, of sorts

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=144404
Printed Date: May 02, 2025 at 11:20 AM

Topic: Crazy Idea to use Relays for Keypad, of sorts

Posted By: f15ecrewchief
Subject: Crazy Idea to use Relays for Keypad, of sorts
Date Posted: April 27, 2018 at 11:19 AM

I have an idea.....my problem is exactly how to do it with out breaking the bank. Could you have 4 momentarty switches conected to a group of relays that if pushed in the correct order will enable the car to start? For example - Push 1st switch then 3 then 4 then 2 which trigers the starter relay to latch and you can start the car. You would also want it to reset if a switch was pushed out of order.

Thanks and good luck

Replies:

Posted By: the12volt
Date Posted: April 27, 2018 at 6:54 PM

Yes, you could, but it wouldn't be very practical. Off the the top of my head just to make the 4 switches function as you described, you would likely need 8 SPDT relays, then a proper remote start unit for the vehicle plus any additional relays needed to install it.

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