Dorman 645-688 Engine Camshaft Position Sensor Connector

Camshaft Position Sensor Connector Overview

Dorman 645-688 is an engine camshaft position sensor connector built to match the original hardware on specified applications. It uses quality materials for dependable electrical performance and long-term durability in repair work on GM vehicles.

Use this OE-style connector when servicing ignition and electrical connector issues on Buick LeSabre, Pontiac Grand Prix, and Chevrolet Impala applications that require a direct-fit replacement.

Key Features

• Female connector design with blade terminals
• 18-gauge wire construction for sensor circuit repair
• Oval and rectangular connector profile for specified OE applications
• 14-wire harness with 21 terminals
• Silver-plated tin terminal material for stable conductivity
• 35-inch overall length for routing in engine bay repairs
• Dorman 645-688 for camshaft position sensor connector service

Detailed Description

This Dorman 645-688 connector is engineered as a replacement for the original camshaft position sensor connector used on select GM platforms. It is built to restore a secure electrical connection where the factory connector has heat damage, broken locking tabs, corrosion, or terminal wear. The harness construction and terminal materials are selected to support reliable signal transfer in engine management circuits.

Fitment coverage includes 1995-2005 Buick LeSabre, 1995-2005 Buick Park Avenue, 2000-2005 Chevrolet Impala, 1998-2005 Chevrolet Monte Carlo, 1997-2005 Pontiac Grand Prix, and other listed Buick, Chevrolet, Oldsmobile, and Pontiac applications. This part cross-references 15301403 for the same application.

What It Helps Fix

• Intermittent camshaft position sensor signal loss
• Corroded or heat-damaged sensor connector terminals
• Broken connector housing or damaged locking features
• Engine stalling, hard starting, or rough running caused by poor sensor connection
• Wiring repairs on GM ignition and engine management circuits

Installation Notes and Tips

Verify connector shape, terminal count, and wire routing before installation. Match the existing harness layout and inspect the mating sensor terminals for corrosion or damage before connecting the replacement. For best results, confirm the vehicle application against the listed fitment for Buick LeSabre, Pontiac Grand Prix, Chevrolet Impala, and other supported models.

Quality Assurance

Dorman designs this connector to match the appearance and function of the original hardware on specified applications. Quality materials and OE-style construction support consistent performance in repair and maintenance use.