Standard Ignition SLS-155 Brake Light Switch

Brake Light Switch for GM Trucks and SUVs

Standard Ignition SLS-155 is a brake light switch built for direct electrical switching performance in select Chevrolet, GMC, and Oldsmobile applications. It is designed for vehicles such as the Chevrolet S10 Blazer, Chevrolet Astro, GMC Jimmy, and GMC Sonoma where a reliable stoplamp signal is required.

Key Features

• Black plastic housing with a durable finish
• Female connector with 2 terminals and male blade terminals
• Special spring and contact design to reduce arcing
• Copper alloy conductors for strong electrical conductivity
• 100% tested for mechanical and electrical switching performance
• Built for select 1989-1994 Chevrolet, GMC, and Oldsmobile brake light switch applications

Detailed Description

The Standard Ignition SLS-155 brake light switch is engineered for dependable stoplamp operation in a range of GM light trucks, vans, and SUVs. It uses high-grade materials and a robust switch design to maintain consistent electrical contact, while the copper alloy conductors help reduce resistive losses. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Standard Ignition SLS-155 is a practical replacement choice for vehicles including the Chevrolet S10 Blazer, Chevrolet S10, and GMC Safari when the original brake switch needs service.

What It Helps Fix

• Brake lamps that do not illuminate when the pedal is pressed
• Intermittent stoplight operation caused by worn switch contacts
• Delayed or inconsistent brake signal output
• Electrical switching issues at the pedal-mounted brake switch
• Replacement needs on select Chevrolet, GMC, and Oldsmobile models

Installation Notes and Tips

• Compatible With 1989-1994 Chevrolet S10 Blazer, N/A. Not compatible with vehicles equipped with cruise control.
• Compatible With 1989-1993 Chevrolet Astro, N/A. Not compatible with vehicles equipped with cruise control.
• Compatible With 1989-1993 Chevrolet S10, N/A. Not compatible with vehicles equipped with cruise control.
• Compatible With 1990-1994 GMC Jimmy, N/A. Not compatible with vehicles equipped with cruise control.
• Compatible With 1991-1994 Oldsmobile Bravada, N/A. Not compatible with vehicles equipped with cruise control.
• Verify connector style, terminal layout, and cruise control equipment before installation.
• Confirm the brake switch is seated and adjusted correctly so the stop lamps operate at the proper pedal position.

Quality Assurance

Standard Ignition manufactures this switch with complete quality control from component selection through final production. The SLS-155 is 100% tested to verify both mechanical action and electrical switching performance, supporting consistent service in demanding brake light applications.