Dorman 645-160 Vehicle Speed Sensor Connector

Vehicle Speed Sensor Connector for GM Applications

Dorman 645-160 is a vehicle speed sensor connector built to match the original connector’s appearance and function on specified GM applications. It uses quality nylon construction, a 2-wire layout, and a water-resistant design to support dependable electrical connection in demanding underhood conditions.

• Direct replacement-style vehicle speed sensor connector
• Black 2-way female connector design for specified applications
• 2-wire, 20-gauge harness with blade terminals
• Nylon connector body with water-resistant construction
• Includes Tech Terminal connector style with 17.5 in harness length
• Cross-references GM OE part numbers 13577519 and PT3703 for the same application

Detailed Product Overview

This Dorman vehicle speed sensor connector, part number 645-160, is engineered for 2020-2021 Cadillac XT5, 2020-2021 Cadillac XT6, 2020-2021 Chevrolet Blazer, and 2020-2021 GMC Acadia applications listed as black, 2-way female. It is designed to restore a secure electrical interface at the vehicle speed sensor connection point, helping maintain consistent signal transfer in the speed sensor circuit. The connector’s nylon housing, blade terminals, and water-resistant build support reliable service in automotive electrical repair work.

For technicians and DIY repairs, Dorman 645-160 provides a practical OE-style solution when the original connector is damaged, corroded, heat-affected, or no longer locks in place properly. The 16.5 in wire harness length and 20-gauge wire specification make it suitable for connector repair and pigtail replacement on the listed Cadillac, Chevrolet, and GMC models.

What This Connector Helps Fix

• Broken or cracked vehicle speed sensor connector housings
• Corroded terminals causing intermittent sensor signal loss
• Loose electrical connections at the speed sensor plug
• Heat-damaged or brittle factory wiring near the connector
• Water intrusion at the sensor connector interface

Installation Notes and Tips

Verify connector style, terminal count, and wire configuration against the original part before installation. Match the black 2-way female layout to the vehicle harness and confirm the application on 2020-2021 Cadillac XT5, Cadillac XT6, Chevrolet Blazer, or GMC Acadia before splicing. Use proper electrical repair practices when joining the pigtail to the harness, and seal connections carefully to preserve the water-resistant design.

Quality Assurance

Dorman designs this connector to match the original hardware’s fit and function on specified applications, using durable materials for dependable performance. The part number 645-160 is built for service replacement where a factory-style vehicle speed sensor connector is needed.