2012 smart fortwo

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=136589
Printed Date: April 29, 2024 at 2:11 AM

Topic: 2012 smart fortwo

Posted By: lucasoil4u
Subject: 2012 smart fortwo
Date Posted: May 06, 2014 at 8:07 AM

How do i relay isolate the lock wire from the switch. Thanks.

Replies:

Posted By: howie ll
Date Posted: May 06, 2014 at 8:43 AM

I imagine the following.
Break the lock wire.
Switch sid4e to 87a
Lock side to 30.
Alarm (NEG)lock wire to 85.
12V+ constant, fused 2 amps to 86.
Good ground to 87.
I'd also diode the relay 1N4004 across the coil, band side to 86.

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.

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