Question about 2000 Jeep Grand Cherokee

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Constant horn that won't shut off

1999 Jeep Cherokee Sport. Parked in driveway hadn't been driven in a week. All of a sudden the horn starts blowing, not the alarm beeping but a constant beep like someone was in there laying on it. Could not shut if off put key in ignition and it stopped and 10 minutes later repeated over and over...it's doing it now! HELP!

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  • Expert
  • 58 Answers

Unplug just the horn until you can have some one or your self check out the wiring in the steering wheel and relays. this way you will be able to drive it until you have a chance to look further in to this.

Posted on Apr 25, 2014

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  • Jeep Master
  • 15,557 Answers

This could be three things.
1. The relay is stuck, this is under the hood and is probably not the issue.
2. There is a wire in the steering column called a coil spring and it could be broken or damaged.
3. The actual switch on the steering wheel has a short in it.

Posted on Jan 17, 2013

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Jan 28, 2009

  • 1455 Answers

SOURCE: i have a 95 jeep

Seems like the vehicle is sensing that one of the doors is remaining open(the door switch may be bad and stuck open. You can also track down and disconnect that buzzer, which is located under the dash.

Posted on Aug 23, 2011

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