Question about 2002 GMC Sierra 2500

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MY HORN STARTED BLOWING AND THE ONLY WAY TO SHUT IT DOWN WAS TO TAKE OFF BATT CABLE iS THERE A SECURITY ALARM ? AND HOW DO YOU SWITCH IT OFF ??

SEEMS LIKE A SECURITY PROBLEM. BUT CAN NOT SHUT IT OFF I PULLED THE FUSE TO THE HORN AND IT QUIT BUT WHEN YOU PUT THE FUSE BACK IN IT BLOWS THE HORN AGAIN.

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Try to start car if starts horn switch is problem disconnect switch

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1 Answer

My car battery got dead so I bought new battery and tried to replace the old one. As soon as I reconnected the terminals of the new battery the car started making panic horn noise. Its horn alarm goes on...


On some models you can disable the alarm after you connect the battery by locking and unlocking the driver door with the key.
I would disconnect the horn or pull the relay until you can get the alarm turned off.

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Anti-theft goes off driving down the road and want shut off, why and solution?


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Horn blows repeatedly and highlights flash repeatedly for no reason.


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I can't turn off the security alarm on my 1998 nissan pathfinder


I couldn't turn off the security alarm on my 1999 Pathfinder as I replaced the battery,
Solution: I read the solution here to disconnect the positive cable, open the driver's door, insert the key, then reconnected the positive cable, while honking, I turn the key to the left, to the right and to the left again while the door is still open. The honking stopped. Then I started the truck without a problem. Thank you for the hint.

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How doyou disarm the factory alarm system in a 1994 jeep grand cherokee my alarm system keeps shutting down the whole car it is a real pain to get it started again i just want to totally shut the alarm...


The security alarm system on the 1994 Jeep Cherokee arms itself on any normal exit from the vehicle, i.e. ignition off, open door, lock door with power door locks, close door. If the doors are locked with the key, it does not arm.
If the battery is disconnected, then reconnected, the alarm system will go into powerup alarm mode. The lights will flash, but the horn will not blow.
The alarms can be disarmed by a keyless vehicle remote or by unlocking either of the front doors or the read lift gate with the key. If the key method does not work with any of those three entrances, there is a problem either with the input to the alarm module or the module itself.
There is a switch in both front doors and the tailgate which is activated by manualy unlocking those doors. The alarms can be disabled by permanently grounding the wire going from either of those switches to the alarm module, but this will remove all theft protection.
The best thing to do is to find out why the system is going off in the first place. It could just be a glitch, a loose connection that can be fixed fairly easily and keep your theft protection intact.

Glenn

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My car alarm is preventing my car from starting w/ a dead battery


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Nov 29, 2009 | 2001 Honda Civic

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Horn beeps as if in an alarm mode


My 4Runner did the same thing. What I did was just put a new battery in hook it up and let it honk. Put the key in the ignition and start it and it should stop. It is in alarm mode.

Jun 25, 2009 | 1996 Volkswagen Jetta

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How can I reset my Factory Alarm on my Jeep it wont run


Alarm Module Reset Procedure
NOTE: This information applies to a Vehicle Theft Security System (VTSS) that was armed when the battery was disconnected and reconnected.
When the armed VTSS senses that the battery has been disconnected and reconnected, it enters its power-up mode. In the power-up mode the alarm system remains armed following a battery failure or disconnect. If the VTSS was armed prior to a battery disconnect or failure, the system will have to be actively or passively disarmed following a battery reconnection.
The power-up mode will also apply if the battery goes dead while the system is armed and battery jump-starting is attempted. The engine no-run feature will prevent the engine from starting until the alarm system has been actively or passively disarmed.
Passive disarming of the Vehicle Theft Security System (VTSS) occurs when the vehicle is unlocked using the key to unlock either front door or the lift gate. Active disarming of the VTSS occurs when the vehicle is unlocked by depressing the Unlock button of the Remote Keyless Entry (RKE) transmitter.
Once the alarm has been activated (horn sounding, lights flashing, and the engine no-run feature), either disarming method will deactivate the alarm.
Depressing the Panic button (if equipped) on the RKE transmitter will also disarm the VTSS, but the horn will sound and the lights will flash for about three minutes as part of the Panic feature. The horn and lights can be stopped by pressing any of the RKE transmitter's buttons or driving the vehicle above 15 mph.

Jan 28, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Car will not start, batt is new, horn is blowing, lights flashing


Take off the battery negative cable and reset everything. Your security system is kicking in and killing everything. Also check to be sure no fuses were blown as well. Sometimes the Fuseable link is an easy miss. hope that helps.

Sincerely,

JC

Nov 11, 2008 | 2005 Kia Amanti

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