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hardwire 12v remote into vehicle

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=137756
Printed Date: May 09, 2025 at 11:52 AM


Topic: hardwire 12v remote into vehicle

Posted By: kymadan
Subject: hardwire 12v remote into vehicle
Date Posted: November 21, 2014 at 4:27 PM

The remote initially used a 12v "27a" battery. I want to power the remote from vehicle power. I do not see any resistors on the remote and I do not want to connect the battery and fry the remote with too much amperage. Any ideas?



Replies:

Posted By: howie ll
Date Posted: November 21, 2014 at 4:36 PM
It will only draw the amperage it requires unless there's an internal short, try a 1 amp line fuse. Or even a 20mm 50 milliamp fuse for serious protection (radio shack, the fuses used in DMM's).

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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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