HomeElectrical, Lighting and Body > SwitchesStandard Ignition HZS135 Hazard Warning Switch
Part #: HZS135

Standard Ignition HZS135 Hazard Warning Switch

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Prius
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Reliable Hazard Warning Switch for Toyota Prius

The Standard Ignition HZS135 hazard warning switch is designed specifically for Toyota Prius models, providing a dependable and precise fit. This black plastic switch features a female connector and seven male blade terminals, ensuring secure electrical connections for your vehicle's hazard light system.

Key Features of Standard Ignition HZS135 Hazard Warning Switch

  • Color/Finish: Black plastic housing for durability and corrosion resistance
  • Connector Gender: Female connector for seamless integration
  • Terminal Gender: Male blade terminals for reliable electrical contact
  • Terminal Quantity: 7 terminals to support complex wiring needs
  • Terminal Type: Blade terminals designed for secure and stable connections
  • Compatible specifically with Toyota Prius models

Detailed Description of the HZS135 Hazard Warning Switch

The Standard Ignition HZS135 is engineered to meet the electrical and safety requirements of Toyota Prius vehicles. Its black plastic finish offers resistance to wear and environmental factors, while the female connector and seven male blade terminals provide a robust interface with the vehicle’s wiring harness. This switch is a critical component in the hazard warning system, enabling the activation of all turn signals simultaneously to alert other drivers in emergency situations.

Common Applications and Issues Addressed

  • Replacement for faulty or non-responsive hazard warning switches in Toyota Prius
  • Restores proper function to hazard lights that fail to activate
  • Resolves intermittent or loose electrical connections in the hazard switch circuit
  • Addresses physical damage or wear to the original switch housing or terminals
  • Ensures compliance with vehicle safety standards by maintaining hazard light functionality

Installation Notes and Tips

  • Ensure the vehicle ignition is off before beginning installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Carefully disconnect the female connector from the old switch and note terminal positions
  • Align the new switch’s terminals correctly to avoid wiring errors
  • Test the hazard lights after installation to confirm proper operation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The HZS135 hazard warning switch undergoes rigorous quality control to maintain electrical integrity and durability. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.

BrandStandard Ignition
Part NumberHZS135
ColorBlack
Connector GenderFemale
ContentsSwitch
FinishPlastic
Terminal GenderMale
Terminal TypeBlade

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2006ToyotaPriusN/A
2005ToyotaPriusN/A
2004ToyotaPriusN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1S973553-221758433047030HDS135HSW135SW7148

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.