Standard Ignition ALH121 ABS Wheel Speed Sensor Wiring Harness - Rear Left

Overview of Standard Ignition ABS Wheel Speed Sensor Wiring Harness

The Standard Ignition ALH121 ABS wheel speed sensor wiring harness is designed specifically for Toyota Matrix models. This component ensures reliable communication between the ABS sensor and the vehicle’s electronic control unit, maintaining proper antilock brake system function.

• Connector Gender: Female
• Connector Quantity: 2
• Connector Shape: Square
• Terminal Gender: Male
• Terminal Quantity: 2
• Terminal Type: Blade
• Contents: Antilock brake speed sensor harness

Detailed Product Description

The ALH121 wiring harness by Standard Ignition is engineered to meet the exact specifications required for the Toyota Matrix ABS system. Featuring two female square connectors and two male blade terminals, this harness facilitates secure and precise electrical connections. The design supports the transmission of wheel speed data from the sensor to the vehicle’s ABS control module, which is critical for maintaining vehicle stability and braking performance under various driving conditions.

Common Applications and Problem Resolution

This ABS wheel speed sensor wiring harness is used to replace damaged or faulty wiring in the Toyota Matrix ABS system. It addresses issues such as:

• Intermittent ABS warning lights due to wiring faults
• Loss of wheel speed sensor signal
• Erratic ABS system behavior or failure
• Corroded or damaged connectors causing poor electrical contact
• Physical damage to the original harness from wear or road debris

Installation Notes and Tips

• Ensure the vehicle is powered off and the battery is disconnected before installation
• Verify connector orientation; the female square connectors must align properly with the sensor and control module
• Inspect surrounding wiring and connectors for damage before installation
• Secure the harness to prevent movement and potential abrasion
• Test the ABS system after installation to confirm proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The ALH121 wiring harness undergoes rigorous quality control to ensure durability and reliable performance in Toyota Matrix vehicles. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.