The horn will not go off after jumping the battery

2000 INFINITI
150,000 MILES
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PABLO SHACONE
  • MEMBER
  • 1 POST
we I just bought this car and it had to be jumped last night. When I went to go jump it the alarm went off. I tried closing and locking the doors but it did not work. Then I tried pulling the fuse to the horn, but it did not work either. I would have just let it charge but it was already 8:00 pm and the neighborhood is quiet so I did not want to disturb. What can I do to prevent the horn to go off?
Nov 21, 2016 at 7:57 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
try resetting security system first then check for a bad horn relay if relay is gone then it won't work. it is in under hood fuse/relay box.
https://www.2carpros.com/articles/how-to-reset-a-security-system
Nov 21, 2016 at 12:10 PM
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