Autobar Horn Starter Button

This Horn/Starter Button can be used to activate a number of your vehicle's electrical components ...

Best current price£6.49from Homebase

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HomebaseAutobar Brass Horn Starter Button
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wilkoAutobar Brass Horn Starter Button - Electrical Component Activator - Includes Screws - Threaded Design
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Product Information

Full details

The Autobar Horn Starter Button is designed for automotive enthusiasts and DIY mechanics who need a reliable, manual switch for electrical components like horns or starter circuits. It provides a robust, tactile solution for custom control configurations, though users should ensure their wiring expertise matches the requirements for high-amperage components to avoid installation errors.

All features

BrandAutobar

Extended Product Information

FAQs

Is this button waterproof?

No, this button is designed for interior use and does not feature weatherproofing for exterior exposure.

Can I use this for my main ignition switch?

This is a momentary switch intended for starter activation or horn use; it is not designed to handle the continuous current load of a main ignition system.

What gauge wire should I use?

It is recommended to use wire consistent with the amperage of the component you are powering, typically 14-16 AWG for horns or relays.

Do I need a relay?

If you are controlling high-amperage items like a starter motor, a relay is highly recommended to protect the switch contacts from burning out.

What is the mounting hole diameter required?

Please measure the threaded portion of the button housing to determine the exact drill size required for your specific installation panel.

Troubleshooting

Button does not activate the component

Verify that all wire connections are tight and that the circuit is receiving 12V power at the input terminal.

Intermittent contact or flickering activation

Inspect the terminal screws to ensure they are fully tightened against the wire leads and check for any oxidation.

Switch feels stuck or sluggish

Ensure the button is not cross-threaded during mounting and apply a small amount of electrical contact cleaner if debris has entered the housing.

Pros and Cons

Pros

  • Rugged construction for long-term reliability
  • Simple, intuitive push-button operation
  • Threaded design simplifies flush-mount installations
  • Includes necessary mounting hardware for wires

Cons

  • Requires manual drilling if no mounting hole is present
  • Not intended for high-amperage applications without a relay
  • Lacks weatherproofing for exposed exterior use

Setup, Compatibility & Care

To install, first determine a mounting location on a flat surface, ensuring there is enough clearance behind the panel for wiring. Drill a hole matching the diameter of the button's threaded base. Feed the unit through the hole and secure it using the provided nut. When wiring, use the included screws to attach your leads firmly to the contact points. Regularly check that the connections remain tight, as automotive vibrations can loosen terminal screws over time. If the button becomes sluggish, a quick spray of electrical contact cleaner can help remove debris from the internal spring mechanism.

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