Standard Ignition ALH129 ABS Wheel Speed Sensor Wiring Harness - Rear Left

Brand Standard Ignition ALH129
Position Rear Left
Connector Gender Female
Connector Quantity 2
Connector Shape Square
Contents Antilock brake speed sensor harness
Terminal Gender Female
Terminal Quantity 2
Terminal Type Alligator
Fits Toyota · 6 vehicles

ABS sensor harness. Connects the speed sensor with a square, female two-connector design.

Alligator terminals. Provides secure electrical contact for reliable signal transfer.

Cross-references Beck/Arnley 084-4965, Standard Ignition ALH129 and 1P2131 for the same application. See all 10.

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ABS Wheel Speed Sensor Harness for Prius

Standard Ignition ALH129 is an ABS wheel speed sensor wiring harness for the rear left position on select Toyota Prius models. It restores the electrical connection between the antilock brake speed sensor and the vehicle harness for accurate wheel speed signal transfer.

Key Features

  • ABS wheel speed sensor wiring harness for brake system service
  • Female connector gender on both ends
  • Square connector shape for application-specific fitment
  • Female terminals with alligator terminal type
  • Fits 2004-2009 Toyota Prius, rear left
  • Standard Ignition ALH129 for direct replacement use

Detailed Description

Standard Ignition ALH129 is an antilock brake speed sensor harness built for the rear left wheel position on 2004-2009 Toyota Prius models. This harness supports the signal path used by the ABS system to read wheel speed data, which is critical for brake control and stability-related functions. If you are servicing a Toyota Prius ABS wheel speed sensor wiring harness issue, ALH129 provides the correct connector style and terminal configuration for the listed application. This part cross-references 1P2131 and ABH129 for the same application.

Common Repair Uses

  • Broken or damaged rear left ABS sensor wiring
  • Intermittent wheel speed sensor signal loss
  • ABS warning light caused by harness failure
  • Corrosion or terminal wear at the sensor connection
  • Electrical continuity issues at the rear left wheel speed sensor

Installation Notes and Tips

Verify the rear left position and connector shape before installation. Inspect the sensor connector, terminals, and nearby wiring for corrosion, abrasion, or heat damage before connecting the new harness. Confirm the harness routing matches the original path on the Toyota Prius to avoid strain at the connector.

Quality Assurance

Standard Ignition supplies replacement electrical components for brake and sensor applications, and ALH129 is built to match the listed connector and terminal configuration for the specified fitment.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelFuel TypePositionNotes
2009ToyotaPriusELECTRIC/GASRear Left—
2008ToyotaPriusELECTRIC/GASRear Left—
2007ToyotaPriusELECTRIC/GASRear Left—
2006ToyotaPriusELECTRIC/GASRear Left—
2005ToyotaPriusELECTRIC/GASRear Left—
2004ToyotaPriusELECTRIC/GASRear Left—
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 084-4965Standard Ignition — ALH1291P21312ABS487861-075014995361308951647060ABH129ARC2034