Alarm, horn went off on its own

Tiny
WALKABUCK
  • MEMBER
  • 1999 JEEP CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 169,000 MILES
Out of the blue the other day the alarm just started going off, the only way I could stop it, was to pull the horn, fuse it crank and drive just don't have a horn now.
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Wednesday, June 29th, 2022 AT 6:02 PM

1 Reply

Tiny
CARADIODOC
  • EXPERT
If the engine continues running for longer than two seconds, it's no longer in theft mode. You should be able to reinstall the horn fuse. One thing you might consider is low battery voltage. The alarm activated multiple times on my '93 Dynasty even though the battery was still strong enough to start the engine. New battery solved the problem.

Here's links to some articles you might find helpful:

https://www.2carpros.com/articles/how-to-replace-a-car-battery

https://www.2carpros.com/articles/how-to-reset-a-security-system
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Wednesday, June 29th, 2022 AT 6:55 PM

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