alarm goes off when disarmed

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=60483
Printed Date: July 01, 2025 at 4:39 PM

Topic: alarm goes off when disarmed

Posted By: joe_1
Subject: alarm goes off when disarmed
Date Posted: August 01, 2005 at 2:12 PM

hi i have a problem with a ford mondeo it is a 2000 model i have not checked this out myself but what i have been told is that on disarm the doors unock but when you open the door it will sound the alarm but if you disarm it twice before you open the door it will not sound,what i think anyone will agree on is there is obviously a fault with the alarm moduel but how could this have just started doing this can it be fixed by wiring a wire from the door unlock pulse to another wire that disarms and turns off the alarm i have checked out the wiring info on this car but it doesnt give much info thanks in advance for any help

Replies:

Posted By: nam-eci
Date Posted: August 01, 2005 at 3:33 PM

The problem usually with the Ford is that the interior light comes on on dissarm setting the alarm off !!!

the second press of the button confirms the disarm but it sounds just enough to pee the Nieghbours off at 4am.

I dont know if thats your prob or what but its one to look out for.

You can get an add on module that delays the light for a sec preventing it from setting off the alarm.

what alarm is it? Toad? Sigma?

Posted By: joe_1
Date Posted: August 01, 2005 at 3:49 PM

sorry forgot to say it is the standard factory alarm so i cant see it being interior light problem if aftermarket alarm then i could see what you mean i think it might need a new alarm moduel

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