Standard Ignition ALH278 ABS Wheel Speed Sensor Wiring Harness - Rear Right

Reliable ABS Wheel Speed Sensor Wiring Harness for Audi Q5 and SQ5

The Standard Ignition ALH278 ABS wheel speed sensor wiring harness is designed specifically for Audi Q5 and SQ5 models. This wiring harness ensures accurate communication between the wheel speed sensor and the vehicle’s antilock braking system, maintaining optimal brake performance.

• Connector Gender: Female
• Connector Quantity: 2
• Connector Shape: Oval
• Includes antilock brake speed sensor harness
• No dust shield included
• No mounting hardware included
• Number of Bolt Holes: 0
• Terminal Gender: Male
• Terminal Quantity: 4
• Terminal Type: Alligator

Detailed Product Description

The ALH278 wiring harness by Standard Ignition is engineered to provide a secure and reliable connection for the ABS wheel speed sensors on Audi Q5 and SQ5 vehicles. Featuring two female oval connectors and four male alligator terminals, this harness facilitates precise signal transmission necessary for the antilock braking system to function correctly. The absence of mounting hardware and dust shield means installation requires attention to existing vehicle components. This harness is a direct replacement part designed to meet OEM specifications, ensuring compatibility and performance.

Common Applications and Issues Addressed

• Restores proper ABS sensor signal transmission
• Resolves intermittent ABS warning lights related to wiring faults
• Eliminates wheel speed sensor communication errors
• Prevents braking system malfunctions caused by damaged harnesses
• Supports accurate wheel speed data for traction and stability control systems

Installation Notes and Tips

Installation of the ALH278 wiring harness requires careful handling of the connectors and terminals to avoid damage. Since mounting hardware is not included, reuse existing clips or fasteners from the original harness. Verify connector orientation—female oval connectors must align properly with sensor plugs. Inspect the wiring path for any potential abrasion points and secure the harness to prevent movement during vehicle operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The ALH278 wiring harness undergoes rigorous quality control to ensure durability and reliable performance in Audi Q5 and SQ5 vehicles. Warranty coverage details should be confirmed with the product documentation or manufacturer.