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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.


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$33.28   Suggested Retail
$29.95   Holleydays Price
Estimated shipping date: 12/03/2020
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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


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
Emission Code5
FinishNatural / Zinc
MaterialBrass and steel
Mount Hole7/16 inch
Product TypeBrake Light Switch
Part NumberPK0017ERL

Service Parts



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.

In The Box

In The Box

  • Pressure Activated Brake Light Switch
  • Brass Tee
  • Inverted Flare Plug

Tech Resources

This switch is not for use with Silicone Brake Fluid.
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        Some parts are not legal for use in California or other states with similar regulations.

         X  Holleydays 2020 20% off and DD
         X  Holleydays 2020 20% off and DD