Dorman 645-688 Engine Camshaft Position Sensor Connector

Reliable Engine Camshaft Position Sensor Connector for GM Vehicles

The Dorman 645-688 Engine Camshaft Position Sensor Connector is designed to provide a secure and durable electrical connection for ignition systems in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered to meet OEM specifications, this female connector ensures consistent signal transmission for optimal engine performance.

• Compatible with Buick, Chevrolet, Oldsmobile, and Pontiac vehicles including Camaro, Firebird, Impala, LeSabre, and more
• Female gender connector with 18-gauge wire for reliable current flow
• Blade terminal type with silver-plated tin material for corrosion resistance
• Includes 14 wires and 21 terminals with both male and female terminal genders
• Overall length of 35 inches for flexible installation
• Oval and rectangle shape design for precise fit and secure connection

Durable Design and Technical Specifications

The Dorman 645-688 harness features a combination of oval and rectangular shapes to ensure compatibility with various engine camshaft position sensor configurations. The 18-gauge wire gauge measurement supports stable electrical conductivity, while the silver-plated tin terminals resist corrosion and wear over time. With 14 wires and 21 terminals, this connector harness accommodates complex wiring needs, making it suitable for multiple ignition system setups in GM vehicles. The blade terminal type provides a secure and easy-to-connect interface, reducing the risk of loose connections that can affect engine timing signals.

Compatible Vehicles and Applications

This engine camshaft position sensor connector is compatible with a range of General Motors vehicles, including Buick models like the LeSabre and Park Avenue, Chevrolet models such as the Camaro and Impala, Oldsmobile 88 and 98, and Pontiac Firebird and Grand Prix. The Dorman 645-688 part number is specifically designed to meet the electrical connector requirements for these vehicles’ ignition systems, ensuring proper fit and function.

• Resolves intermittent or faulty camshaft position sensor signals
• Addresses wiring harness damage or corrosion issues
• Prevents engine misfires related to poor sensor connections
• Eliminates check engine light triggers caused by connector faults
• Restores proper engine timing and ignition system performance

Installation Notes and Tips

When installing the Dorman 645-688 connector, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify the connector orientation by matching the oval and rectangular shapes to the sensor terminals. Use dielectric grease on terminals to enhance corrosion resistance and ease future removal. Secure the harness along the engine bay to avoid contact with hot or moving parts. Double-check all terminal connections for a snug fit before reassembling components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 645-688 Engine Camshaft Position Sensor Connector undergoes rigorous quality control to ensure proper fitment and electrical integrity. This product is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.