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How expensive is it to fix a car horn?

Most horn fixes run between about $60 and $250, with pricier scenarios for complex electrical work or dealer-level service.


This article breaks down what drives the cost, outlines typical price ranges for parts and labor, and explains how factors like access, vehicle make, and diagnostic needs can change your final bill.


What drives the price


Repairs generally fall into three buckets: parts, labor, and diagnostics or shop fees. The horn itself is a small component, but how easy it is to reach and whether wiring or relays are involved can swing the total.



  • Parts: A new horn unit can be very inexpensive or moderately priced depending on type. Basic 12V horns typically run around $8-$40, dual-tone or branded aftermarket units $15-$60, and OEM or higher-end horns $60-$120 or more.

  • Labor: Access determines cost. Easy access with little or no bumper removal may take 0.5–1 hour; more involved access (bumper removal, wheel arch work, or routing wires) can take 1–2 hours or longer. Local shop rates commonly range from about $75 to $150 per hour, so labor can be roughly $40-$200+ depending on time and rate.

  • Diagnostics/fees: Many shops charge a diagnostic fee to confirm the problem, typically in the $40-$100 range. This is sometimes waived if you proceed with the repair at the same shop.


In practice, simple horn replacements that don’t require major disassembly tend to be on the lower end of the spectrum, while complex electrical issues or dealer-level service push the price higher.


Typical price ranges by scenario


The actual bill depends on your vehicle, where you go, and whether you choose aftermarket parts or OEM replacements. Here are common scenarios and what they tend to cost in broad terms.



  1. Simple horn replacement with easy access (no bumper removal): Parts typically $8-$60; labor about 0.5–1 hour; estimate $60-$150 total.

  2. Horn replacement with bumper removal or difficult access: Parts $15-$100; labor about 1–2 hours; estimate $120-$300 total.

  3. Electrical fault or relay/wiring repair (diagnosis plus fix): Diagnostics $40-$100; parts $5-$50; labor 1–2 hours; estimate $100-$350 total.

  4. OEM/brand-specific or high-end/sport vehicles with integrated horn systems: Parts $60-$150+; labor 2–4 hours; estimate $250-$500+ total.


Your exact price will depend on location, labor rates, the specific horn you choose, and whether any related electrical issues are involved.


Do-it-yourself options


If you’re comfortable with basic car maintenance, replacing a horn yourself is often feasible. A straightforward replacement with an accessible horn may be completed in under an hour, and aftermarket horns are readily available. In cases where wiring, relays, or air-bag–related safety components are implicated, or if you must remove significant body parts to reach the horn, hiring a professional is usually the safer and more cost-effective choice.


Summary


For most drivers, a straightforward horn replacement falls in the $60-$150 range, largely driven by parts cost and quick access. If the horn is part of a larger electrical issue or requires dealer-grade parts and time, the price can climb toward $300-$500 or more. Always factor in regional labor rates, the vehicle’s design, and whether the shop charges a diagnostic fee. If you suspect an electrical fault, getting a diagnostic quote before approving work can help prevent surprises.

How much does it typically cost to fix a car horn?


between $189 and $238
The average cost for a Horn Replacement is between $189 and $238. Labor costs are estimated between $103 and $151 while parts are typically priced around $86. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.



Is it expensive to fix your car horn?


Shop labor: $50--150 for simple horn replacement; $150--400+ for steering column/clock spring or module-related repairs. Fixing a horn is often easy if the fault is a fuse, relay, or the horn itself; more complex when steering-wheel electronics or body-control modules are involved.



What is the most expensive part of a car to repair?


The most expensive car parts to repair or replace are the engine, followed by the transmission and the battery in hybrid and electric vehicles. A full engine replacement can cost upwards of $10,000, while a transmission replacement often ranges from $3,000 to $7,000. Hybrid and EV battery pack replacements typically cost between $4,000 and $10,000 or more. 

Part Typical Cost Range
Engine $5,000−$10,000+$ 5 comma 000 minus $ 10 comma 000 plus$5,000−$10,000+ (for a full replacement)
Hybrid/EV Battery Pack $4,000−$10,000+$ 4 comma 000 minus $ 10 comma 000 plus$4,000−$10,000+
Transmission $3,000−$7,000+$ 3 comma 000 minus $ 7 comma 000 plus$3,000−$7,000+
Airbags $1,000−$6,000$ 1 comma 000 minus $ 6 comma 000$1,000−$6,000 (depending on number deployed and vehicle model)
Catalytic Converter $1,000−$2,500+$ 1 comma 000 minus $ 2 comma 500 plus$1,000−$2,500+
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Other expensive repairs
  • Airbags: Replacing airbags and related sensors after a collision can cost anywhere from $1,000$ 1 comma 000$1,000 to over $6,000$ 6 comma 000$6,000, depending on the number of bags deployed and the vehicle's make and model. 
  • Catalytic Converter: These parts are costly due to the valuable metals they contain, such as platinum and rhodium. 
  • Hybrid inverter: This is a critical component for hybrid vehicles, and its replacement can cost between $4,000$ 4 comma 000$4,000 and $8,000$ 8 comma 000$8,000. 



Can a car horn be repaired?


Yes, you can fix a car horn, but whether the repair is simple or complex depends on the cause, which can range from a blown fuse to a broken clock spring. Simple fixes include replacing a blown fuse or cleaning corroded terminals. More complicated issues might involve replacing a faulty relay or the horn mechanism itself, while problems deep within the steering column, like a bad clock spring, are more difficult and may require professional help. 
You can watch this video to learn the basics of troubleshooting and fixing a car horn: 56sHowcastYouTube · Apr 18, 2011
Simple fixes

  • Check the fuse: The most common and easiest fix is replacing a blown horn fuse. The owner's manual will show you where the fuse box is located. If the fuse is blown, replace it with a new one of the same amperage. 
  • Clean the contacts: If the horn is weak or intermittent, clean the mounting bolts and spade lugs where the wires connect to the horn. Reconnect them securely, as shown on wikiHow. 
  • Test the horns directly: If the fuse and wiring seem okay, you can test the horn itself by using a jumper wire to connect it directly to the battery. If it doesn't work, the horn needs to be replaced. 

This video demonstrates how to check the continuity of a car horn to determine if it needs to be replaced: 59sChrisFixYouTube · Jul 22, 2014
Intermediate fixes
  • Inspect the relay: If the fuse is good, the relay might be the issue. A clicking sound from the relay when the horn button is pressed is a good sign the relay is working. You can test if a different relay is the problem by swapping the horn relay with another, like the rear defrost relay (if it has the same specifications) and then testing the horn. 
  • Replace the horn: If the horn is not getting power, but the fuse and relay are working, the horn itself may be the culprit. Replacing a faulty horn can be a straightforward process that involves removing the mounting bolts, unplugging the wires, and installing the new horn. 

This video explains how to replace a car horn with a new one: 1mlifewithaboxYouTube · Jan 3, 2024
Difficult fixes
  • Check the clock spring: If power isn't reaching the horn, the problem could be the clock spring located under the steering wheel. This is a more complex repair, often requiring the removal of the airbag, and is best left to a professional, notes J.D. Power. 
  • Troubleshoot wiring: A broken wire somewhere in the circuit can also cause the horn to fail. 
  • Fix the horn button: The horn button itself can also be faulty, especially in newer cars with complex airbag systems, say AutoZone and Ferber's Tire & Auto Service. 

This video shows how to check for a stuck horn, which can be caused by a bad relay: 38s1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Jul 11, 2021
When to seek professional help
If you've checked the simple fixes and can't identify the problem, or if the issue involves components like the airbag or clock spring, it's best to take your car to a qualified mechanic to avoid further damage or injury.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.