A-Premium Brake Light Switch 6-Pin Compatible with Chevy GMC Cadillac — Direct-Fit Replacement, OEM-Style Connector

The A-Premium 6 Pins Brake Light Switch is a direct-fit replacement switch designed to restore reliable brake-light signaling for many GM and related vehicles.

If your vehicle's brake lights, cruise control interlock, or starter safety circuit are acting up, a worn or failed brake light switch is a common cause. This A-Premium part is built to match the original electrical connections and mounting points on many Chevrolet, GMC, Cadillac, Buick, Hummer, Isuzu, Oldsmobile and Saab models from the late 1990s through the 2000s. It arrives with six blades and a reference list to help you confirm fitment before purchase.

Which vehicles will this brake light switch fit?

This switch covers a long list of GM-platform models. It fits multiple Chevrolet Sierra and Silverado variants, Tahoe/Suburban, Avalanche, Express vans, Trailblazer families, and more, along with compatible GMC, Buick, Cadillac, Hummer, Isuzu, Oldsmobile and Saab models.

• Covers Chevy: Avalanche, Silverado 1500/2500/3500, SSR, Tahoe/Suburban, Express, Trailblazer, Traverse (select years).
• Covers GMC: Sierra 1500/2500/3500, Yukon/Yukon XL, Envoy series, Topkick, Savana vans.
• Also fits: Cadillac Escalade lines, Buick Rainier, Hummer H2, Isuzu Ascender, Oldsmobile Bravada, Saab 9-7x.
• Verify using the provided reference numbers: 1S5131, SLS303T, 15038393, 15128874, 15158767, 15161650, 15163032, 25771554.

How do I confirm compatibility with my vehicle?

Before installing, match the switch's reference numbers and connector style to your vehicle's original part. Use the product compatibility tool or compare the OEM reference numbers listed to the part currently installed on your vehicle.

• Check your vehicle year, make, and model against the detailed fitment list included with the product.
• Compare the OEM/reference numbers printed above with the existing switch on your pedal assembly.
• Confirm the mating connector type; this unit includes six blades and pairs with mating connector 1P1305.

What are the key features and installation notes?

The switch is manufactured to match original form, fit, and function for direct replacement in compatible vehicles. It ships preconfigured with six contact blades and includes a warranty from A-Premium for added confidence.

• Comes with 6 blades for proper electrical contact and OEM-style wiring connection.
• Mating connector recommendation: use connector 1P1305 to ensure secure attachment.
• Includes factory-compatible mounting and lever geometry for straightforward swap-in installation.
• A-Premium backs the part with a one-year unlimited-mileage guarantee.

Will replacing this switch fix brake-light or cruise-control problems?

A failing brake light switch commonly causes brake lights that won’t illuminate, cruise control disengagement issues, or the vehicle failing to start in some models. Replacing the faulty switch with a direct-fit unit like this one often resolves electrical signaling problems associated with the switch, though diagnosing other wiring or fuse issues may still be necessary.

• Restores brake-light activation when pedal is pressed if switch was defective.
• Can resolve cruise-control and starter-interlock malfunctions tied to switch failure.
• If symptoms persist after replacement, inspect wiring, fuses, and connectors for additional faults.

Who is this for: This A-Premium 6 Pins Brake Light Switch is intended for owners and DIY mechanics of GM-platform vehicles from the specified years who need a direct-fit replacement for a failing brake light switch. It's also suited for fleet maintenance shops and professional technicians seeking an aftermarket part that mirrors OEM fit and connections. Always verify part numbers and vehicle compatibility before ordering to ensure a correct match.