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timer circuit swich swap

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=98428
Printed Date: May 11, 2025 at 10:42 PM


Topic: timer circuit swich swap

Posted By: firefighter11
Subject: timer circuit swich swap
Date Posted: October 29, 2007 at 12:57 PM

Hey guys i just got my timer circuit in and i was wondering how i would Solder up a SPST switch instead of the hatkey switch provided.

The Hatkey switch goes in the round spot with 4 holes.

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Replies:

Posted By: howie ll
Date Posted: October 29, 2007 at 1:40 PM
Wire out from the board holes, you only need one side of the switch,also like I said that relay is capable of driving the heating elements, that board should have pos/neg switching by adding/deleting a transistor, make sure you pos switch it.



Posted By: firefighter11
Date Posted: October 29, 2007 at 1:58 PM
what do you mean by pos/neg switching? and how do i make sure it's positive?



Posted By: howie ll
Date Posted: October 29, 2007 at 3:03 PM
The instruction/construction guide will give you details on trigger polarity, the switch, if you wish to use its illumination will have a pos. output. second way to do this and much cheaper would be to have a pos going momentary switch going to a latch relay, then use ign feed to relay's other coil. When you switch off ign, that wire will go neg and shut down mirror, also wire  12v LED in par with output to mirrors.


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