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Ask Mike S. Your Own Question
Mike S.
Mike S., ASE Certified Technician
Category: Cadillac
Satisfied Customers: 7368
Experience:  ASE certified
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I put a new battery ib my car and the horn will not go off,

Customer Question

I put a new battery ib my car and the horn will not go off
JA: Have you tested the battery with a voltmeter? And can you see if it's leaking or not?
Customer: Battery is brand new
JA: What is the model/year of your Cadillac?
Customer: 99 Cadillac deville concours
JA: Are you fixing your DeVille yourself? What have you tried so far?
Customer: I'm trying to locate the horn fuse
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 9 months ago.
Category: Cadillac
Expert:  Mike S. replied 9 months ago.

Hi, I am Mike, welcome. I'm reviewing your question.

Expert:  Mike S. replied 9 months ago.

The horn is fed from the seats circuit breaker but there is a horn relay you could remove, located in the engine compartment relay center on the drivers side.

Expert:  Mike S. replied 9 months ago.

If the horn is pulsing, it appears to be the security system is tripped.