Grayston Push Button Starter - 25 Amp - Polished Silver
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Product Information
Full details
The Grayston Push Button Starter (GE339) is designed for automotive enthusiasts and custom car builders who require a reliable, high-amperage momentary switch for engine ignition or auxiliary systems. It offers robust performance with its 25-amp rating and clear visual feedback thanks to its full illumination, though users should note it requires a precise 19mm panel hole for installation.
All features
| Model Part Number | GE339 |
|---|---|
| Brand | Grayston |
Extended Product Information
FAQs
What size hole do I need to drill for this switch?
You need a 19mm hole to fit the switch body.
Can this switch be used for headlights?
No, this is a momentary switch designed for starter motors; it will not stay in the 'on' position for lights.
Does this switch come with a wiring diagram?
The switch uses standard screw terminals; typically, two terminals are for the switch circuit and two are for the illumination.
Is the illumination LED or incandescent?
The switch features full illumination; please refer to your specific batch packaging for bulb type, though most modern Grayston units use long-life LEDs.
Can I use this on a 24V system?
This switch is generally rated for 12V automotive applications; check your vehicle's specific voltage before installation.
What type of terminals should I use?
The rear screw terminals are designed to be used with ring-type crimp terminals for the most secure electrical contact.
Troubleshooting
Button does not illuminate when lights are on
Verify that the illumination power wire is connected to a switched 12V source and that the ground connection is secure.
Engine does not crank when button is pressed
Check all electrical connections at the screw terminals and ensure the starter relay is receiving the signal from the switch.
Switch feels loose in the dashboard
Ensure the mounting nut on the back of the switch is fully tightened against the rear of the panel.
Pros and Cons
Pros
- High 25-amp current capacity
- Durable, heavy-duty construction
- Clear visual indicator with full illumination
- Professional polished silver appearance
- Reliable screw terminal connections
Cons
- Requires a specific 19mm hole diameter
- Not waterproof for exterior mounting
- Limited to momentary (push-to-make) use only
Setup, Compatibility & Care
To install the switch, ensure you have a 19mm drill bit or hole saw to create a precise mounting point on your dashboard or control panel. Ensure the panel thickness allows for the rear assembly to clear obstructions. Wiring should be performed using appropriately gauged automotive wire and ring terminals attached to the rear screw connections.
Care Tips
- Avoid using harsh chemical cleaners on the polished silver bezel to prevent dulling or pitting.
- Periodically inspect the rear screw terminals to ensure vibration has not loosened the connections.
- Ensure the wiring loom is properly strain-relieved to prevent tension on the switch terminals.