Dorman 49277 Multi Function Switch

Reliable Multi-Function Switch for Select GM Vehicles

The Dorman 49277 Multi-Function Switch is designed specifically for a range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. This switch integrates essential lighting and wiper controls, providing precise operation and durability for your vehicle's electrical system.

• Specific fit for various GM trucks, SUVs, and cars including Chevrolet Blazer, GMC Jimmy, Pontiac Bonneville, and more
• Includes indicator markings for easy identification and use
• Controls windshield wiper on/off, speed settings (3 speeds), and delay control with 6 delay settings
• Operates windshield washer spray for clear visibility
• Features latching high beams and momentary high beam flasher functions

Comprehensive Functionality for Lighting and Wiper Control

This Dorman multi-function switch (part number 49277) replaces the original switch on compatible GM vehicles, offering reliable control over multiple functions. It supports windshield wiper on/off operation with three speed settings and six delay settings for the wiper delay control, allowing drivers to adjust wiper performance based on weather conditions. The switch also includes windshield washer spray activation to maintain clear visibility. For lighting, it features latching high beams and a momentary high beam flasher, enhancing nighttime driving safety. Indicator markings on the switch provide clear guidance for operation.

Compatible GM Models and Applications

This multi-function switch is compatible with a wide range of GM vehicles, including but not limited to Chevrolet Astro, Blazer, Camaro, Caprice, Cavalier, and Silverado models; GMC Jimmy, Safari, and Yukon; Buick Century, LeSabre, and Regal; Pontiac Bonneville, Grand Prix, and Firebird; Cadillac DeVille and Fleetwood; and Oldsmobile Cutlass and Delta 88. It is designed for specific fitment, ensuring proper installation and function.

Common Issues Addressed by the Dorman 49277 Switch

• Intermittent or non-functioning windshield wipers
• Failure of windshield washer spray activation
• Inoperative or stuck high beam controls
• Wiper delay control not responding or missing settings
• Damaged or worn multi-function switch causing control issues

Installation Notes and Tips

Installation of the Dorman 49277 multi-function switch requires removal of the steering column covers and disconnection of the battery to ensure safety. It is recommended to consult the vehicle’s service manual for detailed instructions specific to the make and model. Proper alignment of the switch and secure connection of wiring harnesses are essential for full functionality. This switch is a direct replacement part designed to fit original mounting points and connectors.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 49277 multi-function switch undergoes rigorous quality control to ensure reliable performance. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman’s warranty policy for complete details.