Dorman 901-192 Headlight Switch

Reliable Headlight Switch for GM Trucks and SUVs

The Dorman 901-192 headlight switch is designed to provide dependable control over your vehicle's lighting system. Compatible with select Cadillac, Chevrolet, and GMC models, this switch ensures smooth operation of headlights, parking lamps, and dome lights.

• 12-volt electrical system compatibility
• Black plastic housing with gray plastic knob included
• Twist-type switch with three positions for versatile lighting control
• Illuminated knob for easy visibility in low light
• Blade terminal type with nine male terminals and one female connector
• Functions include headlight, parking lamp, dimmer, and dome override
• Center mounting position for OEM fitment

Product Features and Specifications

The Dorman 901-192 headlight switch features a durable plastic housing and a gray plastic knob that is included for immediate installation. Its twist switch design offers three distinct positions, allowing you to control headlights, parking lamps, and dimmer functions effectively. The switch is illuminated to enhance visibility during nighttime operation. It mounts in the center position and uses blade-type terminals with nine male terminals and one female connector, ensuring compatibility with the factory wiring harness. This switch does not include attached lead wires or mounting hardware, so existing components can be reused.

Compatible Vehicles and Applications

This headlight switch is compatible with a range of GM vehicles, including Cadillac Escalade and Escalade EXT, Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD, 3500, Suburban 1500 and 2500, Tahoe, and GMC Sierra 1500, 1500 HD, 2500, 2500 HD, 3500, Yukon, Yukon XL 1500, and Yukon XL 2500. The Dorman 901-192 is designed to replace factory switches in these models, restoring proper lighting control functions.

Common Issues Addressed by This Headlight Switch

• Intermittent or non-functioning headlights
• Failure of parking lamps to turn on
• Inoperative dome light override
• Difficulty in switching between lighting modes
• Illumination issues with the headlight control knob

Installation Notes and Tips

Installation of the Dorman 901-192 headlight switch requires removal of the existing switch from the center mounting position on the dashboard. Ensure the vehicle's battery is disconnected before beginning installation to prevent electrical shorts. The switch uses blade terminals and a single female connector; verify proper alignment before securing. Since mounting hardware and wiring harness are not included, retain original components for reinstallation. The included gray plastic knob should be attached firmly to the switch shaft for proper operation.

Quality Assurance and Warranty

Dorman parts are engineered to meet or exceed OEM specifications for fit, form, and function. The 901-192 headlight switch undergoes rigorous quality control testing to ensure reliable performance in demanding automotive environments. This product is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty documentation for complete details.