Standard Ignition ALH66 ABS Wheel Speed Sensor Wiring Harness - Rear Left

ABS Wheel Speed Sensor Harness for Toyota Sienna

Standard Ignition ALH66 is an ABS wheel speed sensor wiring harness built for rear left applications on select Toyota Sienna models. It provides the connector layout and harness length needed for a direct replacement on the listed vehicles, helping restore a secure electrical connection at the wheel speed sensor.

• Fits 2011-2019 Toyota Sienna, rear left
• ABS wheel speed sensor wiring harness for brake system repair
• Connector gender: female + male
• Connector quantity: 2 with rectangular connector shape
• Length: 749 mm for routing to the sensor location
• Terminal gender: female
• Terminal quantity: 4 with pin plug terminals
• Standard Ignition ALH66 replacement part

Detailed Product Information

Standard Ignition ALH66 is made for the rear left ABS wheel speed sensor circuit on 2011-2019 Toyota Sienna models. The harness includes a rectangular two-connector design with female and male ends, plus four female pin plug terminals, to match the electrical interface used in the application. With a measured length of 749 mm, it supports proper routing from the body wiring side to the wheel area without forcing the connection.

This part cross-references Beck/Arnley 084-5005 for the same application. Standard Ignition ALH66 is also referenced by other aftermarket numbers used for this rear left Toyota Sienna ABS sensor harness application.

Common Problems This Part Can Address

• Broken or damaged ABS wheel speed sensor wiring at the rear left wheel
• Intermittent ABS warning light caused by poor electrical continuity
• Corroded or loose connector terminals at the sensor harness
• Harness damage from road debris, suspension movement, or age-related wear
• Signal loss between the wheel speed sensor and the vehicle ABS system

Installation Notes and Tips

Verify the rear left position and connector style before installation on your Toyota Sienna. Inspect the mating connector, terminal condition, and harness routing path for damage or corrosion before connecting the new harness. Confirm secure engagement at both ends and route the harness away from moving suspension components and heat sources.

Quality Assurance

Standard Ignition supplies replacement electrical components for automotive repair, and ALH66 is built to match the listed fitment and connector configuration for the specified Toyota Sienna applications.