Dorman 901-251 Brake Light Switch

Reliable Brake Light Switch for GM Trucks and SUVs

The Dorman 901-251 brake light switch is designed to provide consistent and accurate brake light activation for select Cadillac, Chevrolet, and GMC vehicles. This push-type switch features a durable blade terminal design, ensuring a secure electrical connection for your vehicle's brake system.

• Push-type brake light switch for precise operation
• Four male blade terminals for reliable connectivity
• Single rectangular male connector for easy integration
• Compatible with multiple GM models including Silverado, Sierra, Tahoe, and Yukon
• Mounting hardware and wiring harness not included
• Package includes one brake light switch

Product Details and Specifications

The Dorman 901-251 brake light switch is engineered with a push switch type that activates the brake lights when the brake pedal is pressed. It features four male blade terminals and a single rectangular male connector, designed to fit seamlessly into the vehicle's existing wiring system. This switch does not include mounting hardware or a wiring harness, so it is intended for direct replacement in compatible vehicles. The switch is compatible with a range of GM trucks and SUVs, including the Chevrolet Silverado 1500, 2500, and 2500 HD, GMC Sierra 1500, 2500 HD, Cadillac Escalade models, and others.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Silverado 2500, Silverado 2500 HD, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra, Sierra 1500, Sierra 2500 HD, Yukon, Yukon XL 1500, Yukon XL 2500

Common Issues Addressed by This Brake Light Switch

• Brake lights not illuminating when the pedal is pressed
• Intermittent brake light operation or flickering
• Brake lights staying on continuously
• Failure of cruise control disengagement linked to brake switch
• ABS or traction control warning lights related to brake switch faults

Installation Notes and Tips

• Ensure the vehicle is turned off and the battery is disconnected before installation
• Locate the brake light switch near the brake pedal assembly
• Disconnect the old switch by removing the connector and any mounting clips
• Install the Dorman 901-251 switch by aligning the push-type actuator with the brake pedal arm
• Reconnect the blade terminals and verify the connector is securely attached
• Test brake light operation before reassembling any removed panels

Quality Assurance and Warranty

Dorman brake light switches are manufactured to meet or exceed OEM specifications for fit, form, and function. The 901-251 part undergoes rigorous quality control to ensure reliable performance in demanding automotive environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product packaging or Dorman's official documentation for exact warranty terms.