Question about Chevrolet Corvette
You need to check the horn itself
check all wiring inside engine compartment
look for breaks and burns and stripped wiring.
Posted on Mar 21, 2011
If you can hear the relay click the problem is
1. Bad relay
2. Wire from relay to horn
4.poor ground at horn.
If the relay clicks the fuse is good as it powers both sides of the relay.
The horn is mounted to the outside of the right hand front skid plate.
You will need to remove the lower fascia to access it.
Here is a wiring diagram.
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Posted on Mar 22, 2011
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Posted on Jan 02, 2017
Tips for a great answer:
If the test lamp illuminates, refer to the Horn Test.
Ignition OFF, disconnect the inline harness connector C275. Ignition ON, test for B+ between the horn relay control circuit terminal B and ground.
If less than B+, test the control circuit for an open/high resistance. If the circuit tests normal, replace the underhood fuse block.
Momentarily connect a 3-A fused jumper wire between the control circuit terminal B and ground. The horns should work.
If the horns do not work, replace the underhood fuse block.
If all circuits test normal, test or replace the horn switch
The PCB relay horn system consists of the following components:
Horn PCB relay
Body control module (BCM)
HORN fuse 15 A
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