Dorman 600-554 Transfer Case Switch

Transfer Case Switch for Toyota 4Runner, Tacoma, T100, and Pickup

Dorman 600-554 is a direct replacement transfer case switch for select Toyota trucks and SUVs. It restores the signal from the transfer case indicator circuit when the original switch wears out or fails, helping maintain proper 4WD system feedback.

Key Features

• Direct replacement transfer case switch for select Toyota applications
• Blade terminal design with 2 terminals
• Includes the switch only
• No wiring harness included
• Cross-references 1S12535 and 8422235070 for the same application

Detailed Description

This Dorman transfer case switch, part number 600-554, is built for Toyota 4Runner, Tacoma, T100, and Pickup models that use the No. 3 transfer case indicator switch. It is made to replace the original equipment switch on specific vehicle years, makes, and models, making it a practical OE-style solution for restoring transfer case indicator function. If you are searching for a Toyota Tacoma transfer case switch or a Toyota 4Runner No. 3 transfer case indicator switch, 600-554 matches the listed applications.

Compatible With 1995-2004 Toyota Tacoma, N/A; 1989-2000 Toyota 4Runner, N/A; 1993-1998 Toyota T100, N/A; and 1989-1995 Toyota Pickup, N/A. The Dorman 600-554 transfer case switch uses a 2-terminal blade connection and is intended for vehicles that match the listed fitment and indicator switch position.

What It Helps Fix

• Inoperative or inconsistent transfer case indicator light
• Faulty 4WD status signal from the transfer case
• Electrical issues caused by a worn switch contact
• Replacement needs after corrosion or switch failure
• Restoration of the No. 3 transfer case indicator circuit

Installation Notes and Tips

Verify the vehicle year, make, model, and transfer case indicator switch position before installation. Confirm the connector style matches the 2-blade terminal layout and check that no wiring harness is required for your application. Use the listed fitment only for Toyota Tacoma, 4Runner, T100, and Pickup models shown above.

Quality Assurance

Dorman manufactures replacement parts that directly match original equipment applications on select vehicles. Part number 600-554 is built as a direct-fit replacement for the specified Toyota transfer case switch applications.