Standard Ignition SLS-500 Brake Light Switch
OE Quality 60-Day Returns
Standard Ignition

Standard Ignition SLS-500 Brake Light Switch

Brand Standard Ignition SLS-500
Connector Gender Female
Functions Stoplight Switch
Terminal Gender Male
Terminal Type Blade
Fits Toyota · 2 vehicles

Screw-in design. Installs securely with a hex nut for a straightforward replacement.

Stoplight switch. Restores reliable brake light activation when the pedal is pressed.

Plastic and metal construction. Combines durable materials for dependable electrical performance.

Cross-references Standard Ignition SLS-500, 8434030100 and S42003 for the same application. See all 5.

$52.47Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $52.47
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Brake Light Switch options

Brake Light Switch for Toyota Prius

Standard Ignition SLS-500 is a 12-volt brake light switch built with a screw-in attachment method, a rectangular female connector, and male blade terminals. It provides stoplight switch function for select Toyota Prius applications, including 2008 Toyota Prius without cruise control from 4/08 and 2009 Toyota Prius without the cruise control note listed in fitment.

Key Features

  • Brake light switch / stoplight switch function
  • 12-volt electrical design
  • 4 terminal layout with blade terminals
  • 1 rectangular female connector
  • Screw-in mounting style with hex nut included
  • Plastic and metal construction
  • Wiring harness not included

Detailed Description

The Standard Ignition SLS-500 is a direct replacement brake light switch for select Toyota Prius models. It is designed with a screw-in attachment method, a rectangular connector shape, and a 4-terminal configuration to match the electrical requirements of the stoplight circuit. Standard Ignition SLS-500 is listed for 2008 Toyota Prius without cruise control from 4/08 and 2009 Toyota Prius, making it a focused choice for Prius brake light switch replacement work.

This part cross-references Monroe Shocks & Struts (e.g., 8434030100, S42003) for the same application.

What It Helps Fix

  • Brake lamps that stay on or do not illuminate
  • Intermittent stoplight operation
  • Brake pedal switch electrical faults
  • Incorrect brake light signal to the vehicle circuit
  • Replacement needs after switch wear or connector damage

Installation Notes and Tips

Verify connector style, terminal count, and screw-in mounting before installation. This brake light switch is listed for 2008 Toyota Prius without cruise control from 4/08 and 2009 Toyota Prius; the 2009 Prius note states not compatible with vehicles equipped with cruise control. Confirm the vehicle’s brake pedal switch location and adjust the switch position according to the service procedure for proper stoplight operation.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and the SLS-500 follows the listed OE-style fitment and connector specifications for the supported Toyota Prius models.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009ToyotaPrius1.5LL4N/ANot compatible with vehicles equipped with cruise control.
2008ToyotaPrius1.5LL4N/Aw/o Cruise Control; From 4/08
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — SLS-5008434030100S42003SL1049SW8246