30/06/2008
The horn is a crucial safety feature on any vehicle, and its activation relies on the humble push button. Whether your existing horn button is damaged, worn out, or you're undertaking a customisation project, knowing where to source replacements is essential. This guide will explore the various avenues for purchasing car horn push buttons, with a specific look at the increasingly popular illuminated LED 12v push-on, push-off switches.

Before we delve into purchasing options, let's clarify what a push button dash switch is in the automotive context. Essentially, it's a type of electrical switch operated by pressing a button. In the case of a car horn, it acts as the primary interface to complete the circuit that sounds the horn. Modern automotive design has seen a shift towards more sophisticated dashboard controls, and push buttons are a common element. These can range from simple momentary switches (which only make contact while the button is held down) to more complex latching switches, like the 'push on, push off' illuminated LED types.
The specific type mentioned – an 'on off push on push off illuminated led 12v 10A switch AMBER' – is a versatile component. The 'push on, push off' functionality means a single press activates the circuit, and another press deactivates it. The 'illuminated LED' feature provides a visual indicator, often in amber, that the switch is engaged. The 12v rating indicates its compatibility with standard automotive electrical systems, and the 10A rating suggests it can handle a reasonable current load, making it suitable for various accessories, including potentially a horn, though it's crucial to verify the current requirements of your specific horn setup.
The market for automotive parts is vast, offering numerous options for acquiring a new horn push button. Here are the primary places you can look:
1. Online Retailers
The internet has revolutionised how we buy car parts. For push button switches, online marketplaces offer unparalleled variety and convenience.
- Amazon: A go-to for many, Amazon boasts a massive selection of automotive switches from various brands and unbranded options. You can easily find the specific 'push on, push off illuminated LED 12v 10A switch AMBER' or search for generic horn buttons. The ability to compare prices, read customer reviews, and check seller ratings is a significant advantage.
- eBay: Similar to Amazon, eBay is excellent for both new and used parts. You might find bargains on genuine manufacturer parts or discover niche suppliers offering custom or aftermarket switches.
- Specialist Auto Parts Websites: Numerous online stores focus exclusively on car parts and accessories. These often carry a wider range of high-quality or performance-oriented switches. Examples include Halfords (UK), AutoZone (US), and many independent online retailers. Searching for 'car horn switch' or 'automotive push button' on these sites will yield results.
- Electronic Component Suppliers: For more generic push-button switches like the illuminated LED type, sites like RS Components, Farnell, or Adafruit (for hobbyist electronics with automotive applications) are excellent resources. While they might not always be marketed specifically as 'car horn buttons', the specifications often make them perfectly suitable.
2. Local Auto Parts Stores
Don't underestimate the value of your local brick-and-mortar auto parts store. These establishments offer the advantage of seeing the part in person before buying and getting immediate advice from knowledgeable staff.
- Chain Stores: Major automotive retailers typically have a section dedicated to electrical components and switches. While their selection might be less extensive than online, they often stock common replacement parts.
- Independent Garages and Workshops: Many independent mechanics also sell common parts directly to customers. If you're having other work done, it might be worth asking if they can supply and fit the switch for you.
3. Vehicle Dealerships
If you're looking for an exact replacement part for your specific make and model, the official dealership is the most reliable source. They will stock genuine manufacturer parts, ensuring perfect compatibility and quality, although this often comes at a higher price point.
Factors to Consider When Buying
When purchasing a car horn push button, several factors are crucial for ensuring you get the right part:
- Compatibility: Ensure the switch is designed for a 12-volt DC system, which is standard for most cars. Check the amperage rating (like the 10A mentioned) to ensure it can safely handle the current draw of your horn. Overloading a switch can lead to overheating and failure.
- Type of Switch: Decide if you need a momentary switch (press to activate, release to deactivate) or a latching switch (push to turn on, push again to turn off). For a horn, a momentary switch is traditional, but a latching switch might be used for specific custom setups.
- Illumination: Illuminated switches can be helpful for visibility in low light conditions. Consider the LED colour (amber is common) and whether it's always on or only when the switch is activated.
- Build Quality and Durability: Automotive components are subjected to vibration, temperature fluctuations, and frequent use. Opt for switches made from durable materials with good construction. Reading reviews can provide insights into a product's longevity.
- Mounting and Size: Check the dimensions and mounting style to ensure it will fit correctly in your dashboard or steering column. Some switches require specific cut-out sizes.
Example: The 12v 10A Amber Illuminated Push Switch
The 'unbranded, brand new, on off push on push off illuminated led 12v 10A switch AMBER' represents a popular aftermarket option. These are often used for auxiliary functions like driving lights, sound systems, or even as a replacement horn button in custom builds. Their appeal lies in their versatility, clear visual feedback, and relatively low cost.
When considering such a switch for a horn, it's vital to understand the horn's power requirements. A standard car horn typically draws a few amps. A 10A rated switch is generally sufficient. However, if you're installing a high-power air horn, you might need a more robust solution, potentially involving a relay to handle the higher current.

Installation Note: Always disconnect the vehicle's battery before working on electrical components. Ensure proper wiring, using appropriate gauge wire and secure connections to prevent short circuits or fire hazards. If you are unsure, consult a qualified mechanic.
Troubleshooting Common Issues
If your horn isn't working, the push button is a common culprit. Here's a quick breakdown:
| Symptom | Possible Cause | Solution |
|---|---|---|
| Horn doesn't sound at all | Faulty push button, blown fuse, disconnected wire, faulty horn | Test button continuity, check fuse, inspect wiring, test horn directly |
| Horn sounds intermittently | Loose wiring connection at the button, worn button contacts | Tighten connections, replace button |
| Horn sounds only when button is held in a specific position | Damaged internal mechanism of the button | Replace button |
Frequently Asked Questions (FAQs)
Q1: Can any push button switch be used as a car horn button?
A1: Not necessarily. The switch must be rated for 12V DC and have an amperage rating sufficient for your horn. It also needs to be compatible with the vehicle's wiring system. For horns, a momentary switch is typically used.
Q2: What does 'push on, push off' mean for a switch?
A2: This describes a latching switch. The first press turns the circuit ON, and the second press turns it OFF. This is different from a momentary switch, which only stays ON while the button is pressed.
Q3: Is an illuminated switch safe for my car?
A3: Yes, provided it's designed for automotive use (12V) and has an appropriate amperage rating. The LED typically draws very little current and is safe for most vehicle electrical systems.
Q4: Where can I find prices for these switches in different currencies?
A4: Online retailers often display prices in multiple currencies (e.g., GBP £, EUR €, USD $). However, the final price you pay will depend on the exchange rate used by your bank or credit card company at the time of purchase. The provided list of currencies indicates the common options available during online shopping.
Q5: What is the difference between 'Unbranded' and a specific brand?
A5: 'Unbranded' means the product doesn't carry a specific manufacturer's name or logo. This can sometimes mean a lower price, but quality can vary. Branded products often come with a reputation for quality and support.
In conclusion, sourcing car horn push buttons, whether a standard replacement or a modern illuminated LED switch, is straightforward thanks to the wide availability through online retailers and local auto parts stores. Always prioritise compatibility, quality, and safe installation practices to ensure your horn functions correctly and reliably.
If you want to read more articles similar to Finding Car Horn Push Buttons, you can visit the Automotive category.
