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Earls Brake Light Switch Kit - Pressure Activated w/ Tee

Brake Light switch Kit - Includes Pressure activated switch, brass tee, and Inverted flare plug. Fits most brake hardline w/ 3/8"-24 inverted flare tube nuts. Tee has (3) 3/8"-24 inverted flare female ports, (1) 1/8" NPT port (for the switch) & 7/16" Mounting hole.

Part # PK0017ERL Be the first to write a review
Estimated shipping date: 10/29/2021
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This new brake light switch kit is a simple & easy way to add a pressure activated brake light switch to your vehicle. The tee is designed for use with most 3/16" hardline & has (3) 3/8"-24 inverted flare female ports and (1) 1/8" NPT port for the brake light switch. The tee includes a mounting hole for easy installation.


  • Simple & Easy Way to Add Brake Lights to Most Cars & Trucks
  • Pressure Activated Switch Eliminates Hassle of Fabricating Pedal Operated Switch
  • Tee Features Mounting Hole to Support Tee & Switch
  • Tee Can Be Used w/ (2) or (3) Inverted Flare Hardline Ports - Allows Flexibillity In Mounting Location
  • Dimensions of Tee: 1.475" Long x 1.000" Wide x .750" Tall
  • Ideal for Use w/ After-Market Pedal Systems That Don't Have A Brake Light Switch
  • Switch is Normally Open and Closes when Activated at 60-100 PSI

About Earls

Earl's Performance Plumbing brought aviation fluid transfer technology to the automotive performance market over five decades ago. With the most extensive line of plumbing products available, you can count on Earl's from start to finish.

Adapter NPT Size ( A )1/8 NPT FEMALE
Adapter Size ( A )3/8-24 I.F.
Adapter Size ( B )3/8-24 I.F.
Adapter Size ( C )3/8-24 I.F.
Adapter TypeBrake Light Switch
Brand Earls
Emission Code5
FinishNatural / Zinc
MaterialBrass and steel
Mount Hole7/16 inch
Product TypeBrake Light Switch
Part NumberPK0017ERL

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

  • Pressure Activated Brake Light Switch
  • Brass Tee
  • Inverted Flare Plug
This switch is not for use with Silicone Brake Fluid.

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.