Standard Ignition TS-346 Engine Cooling Fan Switch

Reliable Engine Cooling Fan Switch for Lexus GS300 and Toyota Supra

The Standard Ignition TS-346 Engine Cooling Fan Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation. Engineered for plug-in installation, this switch is compatible with Lexus GS300 and Toyota Supra models, ensuring precise fit and function.

• Attachment Method: Plug in for easy installation
• Connector Type: Female oval plug with one connector
• Switch Actuation Style: Toggle with open at idle feature
• Durable housing made of metal with brass and plastic finish
• Thread Size: 16mm x 1.50 for secure mounting
• Voltage: 12V suitable for standard automotive electrical systems
• Terminal Type: Two male blade terminals for reliable electrical connection
• Compact dimensions: 0.67 inches (17.018 mm) width

Technical Details and Construction

The TS-346 engine cooling fan switch features a robust metal housing with a brass and plastic finish, providing durability and resistance to engine bay conditions. Its oval-shaped female connector ensures a secure plug-in connection, while the toggle actuation style allows the switch to open at idle, helping regulate fan operation effectively. The switch includes two male blade terminals, designed for straightforward wiring without the need for additional hardware or mounting brackets. This part operates at 12 volts and fits perfectly with the 16mm x 1.50 thread size, making it compatible with specific Lexus GS300 and Toyota Supra engine cooling systems.

Compatible Vehicles and Applications

This engine cooling fan switch is specifically compatible with the following vehicles:

• Lexus GS300
• Toyota Supra

It is intended to replace faulty or worn cooling fan switches that may cause issues such as overheating or fan malfunction.

Common Issues Addressed by the TS-346 Switch

• Engine overheating due to fan not activating
• Cooling fan running continuously or erratically
• Intermittent fan operation causing temperature fluctuations
• Electrical connection failures from worn or damaged switches
• Inaccurate fan control affecting engine performance

Installation Notes and Tips

The Standard Ignition TS-346 switch is designed for plug-in installation with no additional wiring harness or mounting brackets included. Ensure the engine is cool before installation to avoid injury. Use the 16mm x 1.50 thread size to securely mount the switch in the designated location. Verify the female oval connector aligns properly with the vehicle’s wiring harness. No bulb or hardware is included, so retain existing components if applicable. Properly tighten the switch to prevent leaks or loose connections.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-346 engine cooling fan switch undergoes rigorous quality control testing to maintain consistent operation under normal driving conditions. Warranty coverage details should be confirmed with the product documentation or distributor, as it may vary by region.