Dorman 600-500 Transfer Case Switch

Dorman 600-500 Transfer Case Switch

This Dorman transfer case switch is a direct replacement for the original equipment switch on select Chevrolet, GMC, and Oldsmobile 4x4 applications. It is built for vehicles with a 3-pin connector and helps restore transfer case control when the factory switch fails.

Key Features

• Direct replacement transfer case switch for OE-style fit and function
• Designed for select 1983-2005 Chevrolet Blazer, S10, and S10 Blazer applications
• Also fits select GMC Sonoma, Jimmy, S15, and S15 Jimmy models
• Compatible with select Oldsmobile Bravada models
• 3-pin connector application
• Wiring harness not included
• Package contents: switch

Detailed Description

The Dorman 600-500 transfer case switch is made for drivers servicing 4WD systems on select Chevrolet Blazer, Chevrolet S10, GMC Sonoma, and related platforms. It replaces the original switch used to signal transfer case position, helping maintain proper system operation in vehicles equipped with a 3-pin connector. This part cross-references Standard Ignition TCA-2 for the same application.

Compatible With 1983-2004 Chevrolet S10, 1983-1994 Chevrolet S10 Blazer, 1995-2005 Chevrolet Blazer, 1983-1990 GMC S15, 1983-1991 GMC S15 Jimmy, 1991-2004 GMC Sonoma, 1992-2001 GMC Jimmy, 1991-1994 Oldsmobile Bravada, and 1996-2001 Oldsmobile Bravada. The Dorman 600-500 is a practical OE replacement for transfer case switch service on these vehicles.

What It Helps Fix

• Intermittent or failed transfer case switch signal
• 4WD indicator or mode selection issues related to switch failure
• Loss of transfer case position input to the vehicle system
• Problems caused by a worn or damaged original switch

Installation Notes and Tips

Verify connector style before ordering; this application uses a 3-pin connector. Compare the original switch and connector layout to confirm fitment on your Chevrolet S10, GMC Sonoma, or Oldsmobile Bravada before installation. Since the wiring harness is not included, reuse the existing harness connection where applicable.

Quality Assurance

Dorman supplies direct replacement parts for repair and maintenance applications, and this switch is engineered to match the original equipment design for the listed vehicles.