Dorman 49315 Transfer Case Switch

Transfer Case Switch for GM 4x4 Applications

This Dorman transfer case switch is a direct replacement for the original equipment switch used on select Chevrolet, GMC, and Oldsmobile 4x4 vehicles. Built with a 3-pin terminal design, Dorman 49315 helps restore proper transfer case signal input on vehicles equipped with the matching connector.

Key Features

• Direct replacement transfer case switch for select GM applications
• 3-pin pin-style terminal design
• Matches the original equipment switch form and function on listed vehicles
• No wiring harness included
• Fits transfer case switch applications on Chevrolet Blazer, S10, GMC Sonoma, Jimmy, and related models

Detailed Description

Dorman 49315 is a transfer case switch engineered for specific Chevrolet Blazer, Chevrolet S10, GMC Sonoma, GMC Jimmy, and Oldsmobile Bravada applications, along with additional GM S-series platforms. It is intended to replace the factory switch on vehicles that use a 3-pin connector, helping maintain proper transfer case electrical signaling in 4WD systems. This part cross-references OE part number 15664811 for the same application.

As a direct OE-style replacement, this switch is suited for drivers servicing a GM transfer case switch issue on older S10 Blazer, S15 Jimmy, and Bravada platforms. Dorman 49315 is built around the original connector style and terminal count so it can be selected with confidence for the listed fitments.

What It Helps Fix

• Intermittent or failed transfer case switch signal
• 4WD indicator concerns related to switch input
• Transfer case engagement issues caused by a faulty switch
• Electrical connection problems at the 3-pin switch connector
• Replacement needs on aging Chevrolet, GMC, and Oldsmobile 4x4 systems

Installation Notes and Tips

Verify the vehicle uses a 3-pin connector before ordering. Compare the original switch connector, terminal count, and mounting style to the replacement part. No wiring harness is included, so reuse the existing vehicle harness connection. Confirm fitment by year, make, and model before installation on Chevrolet Blazer, GMC Sonoma, or Oldsmobile Bravada applications.

Quality Assurance

Dorman manufactures replacement parts to match original equipment specifications for listed applications. Part number 49315 is built as a direct replacement transfer case switch for the vehicles shown in the fitment data.