Standard Ignition SLS-159 Brake Light Switch

Brake Light Switch for Cruise Control Applications

Standard Ignition SLS-159 is a brake light switch built with a black plastic housing, male blade terminals, and a 4-terminal layout for direct electrical switching. It is engineered for vehicles that use a cruise control-equipped stoplight switch, including many Chevrolet, GMC, Pontiac, Buick, Oldsmobile, and Cadillac applications.

• Black plastic finish for a durable OE-style appearance
• 4 male blade terminals with no connector required
• Switch function for brake lamp and cruise control circuit operation
• Copper alloy conductors for strong electrical conductivity and low resistive loss
• Spring and contact design helps reduce arcing for longer service life
• 100% tested for mechanical and electrical switching performance

Detailed Product Overview

The Standard Ignition SLS-159 brake light switch is built for consistent pedal-actuated switching in vehicles that rely on a cruise control brake switch circuit. Standard Ignition uses high-grade materials and controlled manufacturing processes to support dependable operation across a wide range of classic and late-model GM platforms. This part cross-references Anchor 8675 for the same application. Common search terms include brake light switch for 1987 Chevrolet S10 with cruise control, brake light switch for 1985 Chevrolet Camaro, and brake light switch for 2004 Pontiac GTO with cruise control.

Common Issues This Part Addresses

• Brake lamps staying on or failing to illuminate
• Cruise control disengaging incorrectly when the brake pedal is pressed
• Intermittent switch contact from worn internal components
• Electrical resistance that affects signal transfer to the brake lamp circuit
• Pedal switch failure on GM vehicles with cruise control

Installation Notes and Fitment Tips

Compatible With 2005-2006 Pontiac GTO, N/A; 2004 Pontiac GTO, N/A; and 1968-1973 Pontiac GTO, N/A for vehicles with cruise control where noted. Additional fitment includes many Chevrolet S10, Camaro, Corvette, Caprice, and GMC Jimmy applications with cruise control. Verify terminal style, connector layout, and vehicle configuration before installation. The SLS-159 uses a no-connector design with 4 male blade terminals, so matching the existing electrical connection is important for proper brake light and cruise control operation.

Quality Assurance

Standard Ignition manufactures this brake light switch with complete quality control from component selection through final testing. Each unit is tested for both mechanical actuation and electrical switching performance to help ensure consistent operation in service.