Dorman 645-157 ABS Wheel Speed Sensor Connector

ABS Wheel Speed Sensor Connector for GM Trucks and SUVs

Dorman 645-157 is an ABS wheel speed sensor connector pigtail for service and repair work on select Cadillac, Chevrolet, and GMC vehicles. It provides a direct replacement for a damaged female connector with leads, helping restore a secure electrical connection at the wheel speed sensor.

Built with a 2-wire, oval female terminal design, this connector is suited for brake electrical repairs where the original plug is cracked, corroded, or no longer locking properly. It is a practical choice for ABS wheel speed sensor connector replacement on 2007-2012 Cadillac Escalade, Chevrolet Silverado, Tahoe, and GMC Sierra applications.

Key Features

• Dorman 645-157 ABS wheel speed sensor connector pigtail
• Female 2-way connector with leads for brake electrical repair
• Oval connector shape with 2-wire, 20-gauge construction
• 16.75-inch harness length for repair routing
• Direct-fit style for select Cadillac, Chevrolet, and GMC ABS sensor applications
• Cross-reference part numbers include Standard Ignition S-1686 and OE-style references 1P2265, 19149296

Product Details

This connector is engineered for reliable electrical service and easier circuit disconnection during maintenance. The pigtail format supports repair of the ABS wheel speed sensor wiring where the original connector has heat damage, terminal wear, or broken locking tabs. Dorman 645-157 is a fitment-based replacement for 2007-2012 Cadillac Escalade, Escalade ESV, and Escalade EXT; 2007-2012 Chevrolet Avalanche, Cheyenne, Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500, Silverado 3500 HD, Suburban 1500, Suburban 2500, and Tahoe; and 2007-2012 GMC Sierra, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, and Yukon XL 2500. This part number, 645-157, is commonly searched for ABS wheel speed sensor connector repair on GM full-size trucks and SUVs.

What It Helps Fix

• Broken or cracked ABS sensor connector housing
• Corroded or loose electrical terminals at the wheel speed sensor
• Intermittent ABS warning light caused by poor connector contact
• Damaged wiring at the sensor pigtail
• Service issues where the original connector no longer disconnects cleanly

Installation Notes and Tips

Match the connector style, terminal count, and wire configuration before installation. Verify the vehicle application against the listed fitment for your Cadillac Escalade, Chevrolet Silverado, Tahoe, or GMC Sierra model year. Use proper electrical repair practices when splicing the pigtail into the existing harness, and confirm a secure lock at the sensor after installation.

Quality Assurance

Dorman supplies replacement electrical repair components built for dependable service in automotive applications. This connector is intended to restore a stable ABS wheel speed sensor connection on the listed GM vehicles and support consistent brake system signal transfer.