Horn relay replacement

2007 INFINITI QX56
132,423 MILES
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AGEL
  • MEMBER
  • 40 POSTS
how to replace horn relay?
May 17, 2019 at 8:10 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Welcome to 2CarPros.

To replace the relay, open the engine compartment. See picture 1 for relay / fuse box location. Open the fuse / relay box and locate the horn relay (see pic 2). I circled the relay location in the picture. Simply grasp the relay and pull upwards on it. It will come out. To replace, press it fully into the relay socket.

If you are not sure if the relay is bad, here is a link that explains how to check a relay. I will also add a few links you may find helpful when checking it.

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https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

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While the relay is removed, look down into where it normally sits to make sure there is no corrosion or damage to the pins it connects to. It is also a good idea to put dielectric grease on the relay connectors to prevent corrosion and improve electrical connections.

Let me know if this helps. Also, if you have questions, feel free to ask.

Take care,
Joe
May 17, 2019 at 9:20 PM
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