my door will unlock but i can’t lock

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=92752
Printed Date: July 14, 2025 at 6:58 PM

Topic: my door will unlock but i can’t lock

Posted By: heyitzalan
Subject: my door will unlock but i can’t lock
Date Posted: April 09, 2007 at 5:00 PM

hi guys, i have a dei viper 5900 with dei 451m relay for the alarm with 5wire actuator. When i finished installing the alarm, and wirings are in good order. First time, i unlock and lock the door, it works. after a while, i can't lock it anymore, but i can unlock the actuator.

Is there something wrong with my dei 451m relay? the wires are properly wried, i double checked.

i need help here.

Replies:

Posted By: pitoaudiovisual
Date Posted: April 09, 2007 at 9:48 PM

what kind of car are you doing.

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Confidence is the key to any project!!

Posted By: heyitzalan
Date Posted: April 09, 2007 at 10:42 PM

240sx. i think my 451m relay green wire(lock -) is dead.

Posted By: heyitzalan
Date Posted: April 11, 2007 at 10:27 AM

help!

Posted By: mobilecustoms
Date Posted: April 11, 2007 at 10:32 AM

replace the 451m relay and see what happens if not switch out the viper 5900 module

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