Question about 2005 Chrysler Pacifica

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Alarm just goes off

2005 pacifica factory alarm(horn) will start sounding at any time of day or night mostly garaged,had to disconnect horn.thankyou

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YOU MAY HAVE A DOOR SWITCH GROUNDING ITSELF. CHECK DOORS AND HATCH SWITCHES

Posted on Dec 30, 2008

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2005 Lincoln LS,V6,at anytime the alarm activates,horn lightsflashers etc.. middle of the night, day time any time.thank you


I have a 2004 Lincoln LS,disconnect the negative battery for 10 minutes,then connect cable back,when you open driver side door alarm will go off,insert key in ignition and alarm will go off.Get in car,lock all doors and windows,turn key to the right 8 times quickly,then doors will unlock,then quickly push any button on key fob.

Oct 03, 2016 | 2005 Lincoln LS

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My cars panic alarm goes off by itself.


possible -but all these fancy electronics are beyond the realms of most people and you need the factory to reset and diagnose the fault .even us mechanics have to admit defeat with faults like this and return vehicle to the dealer then charge for the time involved in taking and collecting the car ,take it straight to the dealer yourself

Feb 21, 2016 | 2003 Chevrolet Cavalier

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Why is my car horn still going off on my 2005 Chrysler Pacifica, after I've pulled the horn fuse out?


Because the alarm is driving it, not the switch on the centre of the steering wheel.

If you want to stop it, you need to remove the wire from the horn itself. My bet is that the car won't start because something has upset the alarm system.

Dec 17, 2015 | 2005 Chrysler Pacifica

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How to disconnect the alarm


Depending if it is a aftermarket or a factory alarm, they should all have fuses that can be removed. By removing the fuse, you may lose your keyless entry option. Most aftermarket alarms have a siren that is usually mounted under the hood in the engine compartment area. I've seen where people have cut the wire going to the siren to disable it but keep the power going to the alarm system to keep the keyless entry still functional if it came with the alarm system.
Factory alarms usually use the existing horn for the alarm. If that is the case, you might need someone who is experienced to disable the circuit so that the horn will not sound if alarm goes off but the horn will still be functional when needed. Hope this helps.

Dec 20, 2014 | Cars & Trucks

2 Answers

1993 Celica GT will not start because of messed up alarm system. Red LED is blinking and car will not crank. Been working under hood and battery was disconnected. After reconnecting, the car sometimes will...


It sound the alarm relay or the alarm module is broken. Can you find the fuse for alarm system? If you can disconnect it.
You can find the alarm module under dashboard, disconnect it. Hope it can help

Jun 23, 2011 | 1993 Toyota Celica

1 Answer

The factory alarm in my 2000 Trooper goes off 10-15 times per day for no apparent reason. So to avoid insanity I removed the fuse that controls the horn. Well, my alarm still goes of 10-15 times per day...


The usual cause of this is the alarm switch on the bonnet panel is too low and creeps up when you leave the car .

Just put some washers behind it so its snug when the bonnets shut down - I have done a few like his and its easier than disconnecting .

Jan 15, 2010 | 2000 Isuzu Trooper

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My Mitsubishi Montero, 2003 horn is going off in the middle of the night. I beat on the horn pad serveral times until it stops, then in a couple of hours it goes off again and the police show up. Is it...


Is the alarm causing the horn to honk? If so, you need to figure out what is causing the alarm to trigger, which could be any number of things.
Or, the panic module could be failing.
It is least likely to be the horn ring unless the only way you can get the horn to stop is by "beating the horn button on the steering wheel".

If it is, then you can replace the parts for the horn button, but you will need to get an assembly manual for the vehicle. Be sure to disconnect the battery before attempting to remove the airbag module. If it goes off, then you risk injury, and, they are not cheap to replace.

Dec 16, 2009 | 1999 Mitsubishi Montero Sport

1 Answer

How do i disconnect the alarm


find the horn and look for a wire then cut the wire that goes to the alarm NOT THE HORN WIRE

Apr 15, 2009 | Mazda 626 Cars & Trucks

3 Answers

Alarm going off


My 2001 TD5 discovery has the same problem and this started in the last 18 months.
Normaly the car is parked in a locked garage, and the car is not locked.
The alarm does not go off during the day when parked anywhere even when parked for long periods.

When we are away camping in the bush or caravan parks, if I think of it I remove the "horn fuse" under the bonnet at night and replace this in the morning, if I dont do this the alarm does not go off every night, but I rather do this, than me and everyone at the camp site being woken up at 0300 hr'
Maybe it is the night temperature, ??

I hope this is of some help. John L.L

Jul 16, 2008 | 2002 Land Rover Discovery Series II

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