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Where can I find the horn on a 2015 GMC Sierra 2500HD truck?

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2 answers

★ Top Answer
Victoria roderick

The 2015 GMC Sierra 2500 HD houses its horn in the engine compartment, typically situated on the driver's side behind the bumper cover and beneath the headlights. The horn component resembles a round canister with a front grill. For reference, consult the GM technical manual under part number 84377259. If your horn isn't producing any sound when pressed, you can troubleshoot the relay located in the engine fuse box, as this is a frequent point of failure. Additionally, ensure that the wiring is intact, although this is not a common cause of horn malfunctions. Before suspecting an issue with the electrical system beyond the fuse, it is advisable to inspect the switch or latch in the steering column.

More answers

  • D S

    The horn of the 2015 GMC Sierra 2500HD is situated on the driver's side under the hood, near the radiator support.

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