Standard Ignition SLS-450 Brake Light Switch

Brake Light Switch for GM Trucks and SUVs

Standard Ignition SLS-450 is a brake light switch built for direct electrical switching performance in demanding service environments. It uses a durable housing design, copper alloy conductors, and a spring/contact arrangement that helps reduce arcing for consistent stoplamp operation.

Compatible With 2007-2012 Cadillac Escalade, 2007-2012 Cadillac Escalade ESV, 2007-2012 Cadillac Escalade EXT, 2007-2011 Chevrolet Avalanche, 2007-2011 Chevrolet Silverado, 2007-2011 Chevrolet Silverado 2500, 2007-2011 Chevrolet Silverado 2500 HD, 2007-2011 Chevrolet Silverado 3500 HD, 2007-2011 Chevrolet Suburban 1500, 2007-2011 Chevrolet Suburban 2500, 2007-2011 Chevrolet Tahoe, 2007-2011 GMC Sierra, 2007-2011 GMC Sierra 1500, 2007-2011 GMC Sierra 2500 HD, 2007-2011 GMC Sierra 3500 HD, 2007-2011 GMC Yukon, 2007-2011 GMC Yukon XL 1500, 2007-2011 GMC Yukon XL 2500, and 2009 Chevrolet Avalanche. It also fits 2011 Silverado and Sierra models with fixed pedal setups, plus 2012 Cadillac Escalade models with a black connector.

Key Features

• Standard Ignition SLS-450 brake light switch for stoplamp circuit control
• Black and white housing colors with a plastic and metal finish
• Female connector with 1 connector interface
• 4 male blade terminals for electrical connection
• Copper alloy conductors for strong electrical conductivity and low resistive loss
• Spring and contact design engineered to reduce arcing and extend service life
• 100% tested for mechanical and electrical switching performance

Detailed Description

The Standard Ignition SLS-450 is a brake light switch designed for GM full-size trucks and SUVs that need reliable stoplamp signal operation. Its robust housing construction and tested switching performance support consistent pedal-actuated electrical response, while the copper alloy conductor design helps maintain efficient current flow. This part cross-references Dorman OE Solutions 901-251 for the same application.

Use this switch when servicing brake pedal signal circuits on Cadillac Escalade, Chevrolet Silverado, Chevrolet Tahoe, GMC Sierra, and related applications listed in the fitment data. The SLS-450 is built to meet the electrical and mechanical demands of daily driving and professional repair work.

What It Helps Fix

• Brake lights that stay off when the pedal is pressed
• Intermittent stoplamp operation
• Brake switch electrical contact wear
• Arcing-related switch performance loss
• Pedal signal issues on GM truck and SUV brake circuits

Installation Notes and Tips

Verify connector style, terminal layout, and pedal configuration before installation. This part is listed for vehicles with fixed pedal setups in select 2011 Chevrolet Silverado and GMC Sierra applications, and 2012 Cadillac Escalade models with a black connector. Confirm the original switch matches the vehicle’s connector and terminal arrangement before replacement.

Quality Assurance

Standard Ignition states that this brake light switch is 100% tested for mechanical and electrical switching performance. The brand also notes complete quality control throughout manufacturing, from component selection through finished product.