Rear ABS Wheel Speed Sensor (970-089) by Dorman®. Without Wiring Harness. Location: Axle Housing. Quantity: 1 per Pack. Restore the anti-lock brake system to safe, proper operation with Dorman’s Anti-Lock Brake System Wheel Speed Sensor. It effectively transmits the vehicle’s wheel speed through the harness, back to the anti-lock brake system control module.