Standard Ignition SLS566 Brake Light Switch

Brand Standard Ignition SLS566
Connector Gender Female
Terminal Gender Male
Terminal Type Pins
Fits Toyota · 16 vehicles

Push-in design. Installs cleanly with a secure, bracket-supported fit.

Plastic housing. Lightweight construction for dependable switch operation.

Brake light switch. Controls brake lamp activation with a 12-volt electrical design.

Cross-references Standard Ignition SLS566, 8434009210 and S42060 for the same application. See all 4.

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Brake Light Switch for Toyota Applications

Standard Ignition SLS566 is a 12-volt brake light switch built for direct replacement use on select Toyota vehicles. It uses a push-in attachment method, a rectangular single connector, and a 5-terminal layout with male pins and a female connector interface.

Compatible With Toyota Avalon, Toyota Sienna, Toyota Prius V, and Toyota Yaris applications listed below, this brake light switch supports brake lamp signal input at the pedal assembly. The included mounting bracket helps with secure installation in the original location.

Key Features

  • Brand: Standard Ignition
  • Part number: SLS566
  • Brake light switch for 12-volt systems
  • 5-terminal design with male pin terminals
  • Female rectangular connector, 1 connector total
  • Push-in attachment method
  • Plastic housing construction
  • Mounting bracket included
  • Wiring harness not included

Detailed Description

The Standard Ignition SLS566 brake light switch is built for vehicles that use a 5-pin brake switch connection at the pedal assembly. It is listed for 2013-2014 Toyota Avalon, 2015-2017 Toyota Avalon 5 Pin, 2018 Toyota Avalon, 2014-2018 Toyota Sienna 5 Pin, 2014-2017 Toyota Prius V 5 Pin, and 2021 Toyota Yaris. This part number, SLS566, is also cross-referenced to 8434009210 and S42060 for the same application.

What It Helps Fix

  • Brake lamps that do not illuminate when the pedal is pressed
  • Brake lights that stay on after pedal release
  • Intermittent brake light operation
  • Brake switch signal faults related to the pedal assembly
  • Replacement needs for worn or damaged 5-pin brake light switches

Installation Notes and Tips

Verify the connector style, terminal count, and vehicle application before installation. This switch uses a push-in mounting style and a rectangular connector, so the original pedal-area mounting point and electrical plug should be inspected for fit and condition. Confirm the vehicle is one of the listed Toyota Avalon, Sienna, Prius V, or Yaris applications before replacing the switch.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and SLS566 is built to match the listed 12-volt, 5-terminal brake switch configuration for the specified Toyota vehicles.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2021ToyotaYaris1.5LL4N/A—
2018ToyotaAvalon——N/A—
2018ToyotaSienna——N/A5 Pin
2017ToyotaAvalon——N/A5 Pin
2017ToyotaPrius V——N/A5 Pin
2017ToyotaSienna——N/A5 Pin
2016ToyotaAvalon——N/A5 Pin
2016ToyotaPrius V——N/A5 Pin
2016ToyotaSienna——N/A5 Pin
2015ToyotaAvalon——N/A5 Pin
2015ToyotaPrius V——N/A5 Pin
2015ToyotaSienna——N/A5 Pin
2014ToyotaAvalon3.5LV6N/A—
2014ToyotaPrius V——N/A5 Pin
2014ToyotaSienna——N/A5 Pin
2013ToyotaAvalon3.5LV6N/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — SLS5668434009210S42060SL1106