Brake Light Switch Pressure Type 6-32 Screw ALL76252

OVERVIEW

When you are tearing up the dunes in a custom sand rail or navigating city traffic in a classic Beetle, communication with the drivers behind you is a matter of safety and survival. The ALLSTAR PERFORMANCE Brake Light Switch (Pressure Type) is the professional-grade solution for hydraulic brake light activation. Unlike flimsy mechanical switches that can get gummed up with road grime or fall out of adjustment at the pedal assembly, this pressure-activated unit is plumbed directly into your brake lines. It triggers your brake lights the moment hydraulic pressure reaches between 60 and 120 PSI, ensuring that your intent to stop is signaled instantly and reliably. This switch is designed to handle the rigors of high-performance driving, providing a crisp electrical connection that won''t flicker or fail when the heat is on.

What sets the ALL76252 apart from standard replacement parts is its robust construction and superior terminal design. While many budget switches use weak spade connectors that can vibrate loose on washboard roads or off-road trails, this Allstar unit features 6-32 screw terminals. This allows you to utilize ring terminals for a permanent, vibration-proof electrical connection that is essential for long-term reliability in air-cooled VWs and custom race cars. The 1/8 Inch-27 NPT dryseal mounting threads make it a universal fit for most aftermarket brake tees and master cylinders. Whether you are building a ground-up tube chassis project or simply tired of the unreliable stock switches on your vintage Transporter, this Allstar Performance switch delivers the peace of mind that only comes from high-quality racing components.

FITMENT

This pressure switch is a universal hydraulic component frequently used in the following applications:

• VW Beetle (All Years): Perfect for custom master cylinder setups or disc brake conversions.
• VW Karmann Ghia: Ideal for upgrading original hydraulic signal systems.
• VW Type 2 Bus / Transporter: A reliable replacement for dual-circuit master cylinder switches.
• VW Type 3 (Squareback, Fastback, Notchback): Fits standard NPT brake line tees.
• Dune Buggies & Sand Rails: The industry standard for custom chassis brake light wiring.
• Meyers Manx & Kit Cars: Easily integrated into any custom 12V or 6V electrical system.
• Off-Road Race Cars: Engineered to withstand high vibration and extreme pressure spikes.

SPECS

• Brand: Allstar Performance
• Part Number: ALL76252
• Activation Type: Hydraulic Pressure
• Activation Range: 60 - 120 PSI
• Thread Size: 1/8 Inch-27 NPT (Dryseal)
• Terminal Style: Two 6-32 Screw Terminals
• Current Rating: 4.5 Amps
• Circuit Configuration: Normally Open (Closes upon pressure)
• Housing Material: Corrosion-resistant plated steel
• Compatibility: Compatible with DOT 3, DOT 4, and DOT 5.1 brake fluids

PRO TIPS

1. Use Ring Terminals for a Fail-Safe Connection

Because this switch utilizes 6-32 screw terminals, you should always avoid simply wrapping bare wire around the posts. For the best results, crimp and solder high-quality ring terminals onto your 16-gauge or 18-gauge wire. This ensures that the connection cannot be pulled off or vibrated loose during aggressive off-road maneuvers. A loose brake light wire is not just a nuisance; it''s a major safety hazard that can lead to rear-end collisions. Always use a small dab of dielectric grease on the terminals to prevent corrosion, especially if your vehicle is exposed to moisture or salt.

2. Install with a Relay for Maximum Longevity

While this switch is rated for a 4.5 Amp load, many air-cooled enthusiasts run multiple high-draw incandescent bulbs or vintage accessory lights. To significantly extend the life of the internal diaphragm and contact points of the ALL76252, we recommend using the switch to trigger a standard 30-amp automotive relay. By using the pressure switch to activate the relay coil (which draws very little amperage), you move the heavy electrical load away from the switch. This prevents internal arcing and ensures your brake light switch will last for decades rather than years.

3. Proper Sealing and Orientation

When installing the 1/8 Inch NPT threads into your brake tee or master cylinder, remember that these are tapered pipe threads. You do NOT need to bottom out the switch to get a seal. Over-tightening can crack the master cylinder casting or the switch housing itself. Furthermore, never use Teflon tape on brake system fittings; small shreds of tape can break off and clog your brake valves or wheel cylinders. Instead, use a very small amount of liquid thread sealant specifically rated for hydraulic brake fluid, or rely on the dryseal properties of the threads. If possible, mount the switch so the terminals point horizontally or slightly downward to prevent air bubbles from becoming trapped inside the switch cavity, which can lead to a "spongy" pedal feel.