Dorman 645-800 Throttle Position Sensor Connector

Reliable Throttle Position Sensor Connector for GM Vehicles

The Dorman 645-800 throttle position sensor connector is designed to provide a secure and precise electrical connection for throttle position sensors in select Buick, Cadillac, Chevrolet, GMC, and Hummer models. With a wiring harness length of 17.5 inches and durable terminal types, this connector ensures consistent sensor performance and vehicle responsiveness.

• Wiring harness length: 17.5 inches for flexible installation
• Wire gauge measurement: 20 gauge for optimal electrical conductivity
• Terminal types: Aspa and blade terminals for secure connections
• Compatible with multiple GM makes and models including Chevrolet Silverado 1500 and GMC Sierra 2500 HD
• Part number 645-800 for precise identification and fitment

Durable Design and Precise Electrical Specifications

This throttle position sensor connector features a 20-gauge wire size, balancing durability and electrical efficiency. The 17.5-inch wiring harness length allows for straightforward routing within the engine bay, reducing strain on the wiring. The combination of Aspa and blade terminal types ensures a reliable connection to the throttle position sensor, minimizing the risk of electrical faults or sensor misreadings. This connector is engineered to meet the specific electrical and mechanical requirements of GM vehicles such as the Cadillac Escalade EXT and the Chevrolet Avalanche 1500.

Compatible GM Models and Applications

The Dorman 645-800 throttle position sensor connector is compatible with a wide range of GM vehicles, including Buick, Cadillac, Chevrolet, GMC, and Hummer models. Notable compatible vehicles include the Chevrolet Silverado 1500 Classic, GMC Sierra 2500 HD Classic, Cadillac Escalade ESV, and Hummer H3. This connector is ideal for replacing worn or damaged throttle position sensor connectors in these models to restore proper sensor function and vehicle drivability.

• Resolves throttle position sensor signal interruptions
• Eliminates erratic engine idling caused by faulty connections
• Prevents check engine light triggers related to throttle sensor faults
• Restores accurate throttle response and engine performance
• Addresses wiring harness damage or corrosion issues

Installation Notes and Tips

When installing the Dorman 645-800 throttle position sensor connector, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the wiring harness length and terminal types match the original equipment to avoid fitment issues. Carefully route the 17.5-inch harness to prevent contact with hot or moving engine components. Use appropriate tools to secure the Aspa and blade terminals firmly to the throttle position sensor terminals for a stable connection.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 645-800 throttle position sensor connector undergoes rigorous quality control to ensure durability and reliable electrical performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in your replacement part.