Standard Ignition MRS143 Door Remote Mirror Switch

Door Remote Mirror Switch for GM Applications

Standard Ignition MRS143 is a door remote mirror switch for select Chevrolet, GMC, Buick, and Cadillac vehicles. It provides a direct electrical control point for adjusting side mirrors from the driver door, with a black plastic finish and a rectangular female connector layout.

• Activation style: switch
• Black color/finish with plastic construction
• Rectangular 1-connector design
• 9 male pin terminals
• Indicator markings included for easier function identification
• Contents: switch
• Wiring included: no
• Mounting hardware included: no

Fitment and Application Details

Compatible with a wide range of GM vehicles, including Fits 2015-2022 Chevrolet Colorado, N/A; Fits 2015-2022 GMC Canyon, N/A; Fits 2019 Cadillac ATS, N/A; Fits 2016-2019 Cadillac XTS, N/A; Fits 2014-2019 Chevrolet Corvette, N/A; Fits 2016-2019 Chevrolet Impala, N/A; Fits 2014 Chevrolet Impala, N/A; Fits 2013-2018 Cadillac ATS, N/A; Fits 2014-2017 Buick Regal, N/A; Fits 2013-2015 Cadillac XTS, N/A; and Fits 2015 Chevrolet Impala, N/A. For Chevrolet Colorado and GMC Canyon mirror switch replacement, MRS143 matches the listed connector and terminal configuration.

This part cross-references Baldwin PA3938 and other listed interchange numbers for the same application.

What This Switch Helps Resolve

• Non-responsive power mirror adjustment from the driver door
• Intermittent mirror movement caused by worn internal switch contacts
• Broken or faded indicator markings on the original control
• Electrical connection issues at the door mirror switch interface
• Replacement needs after switch face or housing wear

Installation Notes and Tips

Verify the vehicle’s connector shape, terminal count, and mirror switch layout before installation. This MRS143 uses a female connector with 9 male pin terminals and a rectangular connector profile, so matching the original electrical interface is important for proper operation. Transfer any required trim access carefully and confirm mirror functions after installation.

Quality Assurance

Standard Ignition replacement electrical components are built for direct-fit service on the listed applications. MRS143 is intended for vehicles that use the specified switch configuration, including Chevrolet Impala, Cadillac ATS, and GMC Canyon applications shown above.