Standard Ignition ALH149 ABS Wheel Speed Sensor Wiring Harness - Front Left

ABS Wheel Speed Sensor Harness for Toyota

Standard Ignition ALH149 is an ABS wheel speed sensor wiring harness for the front left position. It is built with a female connector on one end and a female plus male blade terminal layout on the other, using an oval connector shape and a 3-bolt-hole mounting pattern.

Fits 2007-2010 Toyota FJ Cruiser, front left. Fits 2003-2009 Toyota 4Runner, front left. This Standard Ignition ALH149 harness is a direct-fit electrical service part for restoring the connection between the wheel speed sensor and the vehicle ABS system.

Key Features

• ABS wheel speed sensor wiring harness for brake system service
• Front left position application
• Female connector design with oval connector shape
• Blade terminal construction with female and male terminal ends
• 3-bolt-hole mounting layout
• Standard Ignition ALH149 replacement part

Detailed Description

Standard Ignition ALH149 is an antilock brake speed sensor harness used to restore the electrical link at the front left wheel. It is specified with two connectors, an oval connector shape, and blade terminals, making it suitable for replacing a damaged, corroded, or broken harness in the ABS circuit. For Toyota FJ Cruiser and Toyota 4Runner applications, this harness supports the wheel speed sensor signal path needed by the braking system.

This part cross-references Holstein 2ABS3057 for the same application. Standard Ignition ALH149 is also referenced by interchange numbers commonly associated with the same front left ABS wheel speed sensor harness application.

What It Helps Fix

• ABS warning light caused by a damaged wheel speed sensor harness
• Intermittent wheel speed signal loss at the front left wheel
• Broken, frayed, or corroded sensor wiring near the wheel area
• Fault codes related to antilock brake sensor circuit faults
• Electrical connection issues between the sensor and brake control system

Installation Notes and Tips

Verify connector shape, terminal style, and mounting points before installation. Inspect the sensor lead routing and surrounding brake components for abrasion, corrosion, or impact damage before connecting the new harness. Confirm the vehicle application by year, make, model, and front left position for Toyota 4Runner and Toyota FJ Cruiser service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management service parts. ALH149 is built to match the specified connector and terminal configuration for the listed Toyota applications.