Standard Ignition HZS303 Hazard Warning Switch

Hazard Warning Switch for Toyota Land Cruiser

Standard Ignition HZS303 is a hazard warning switch built for specific Toyota Land Cruiser applications. It is a direct-fit electrical switch solution for 2013-2015 Toyota Land Cruiser models and uses a female connector with male pin terminals for the specified factory-style connection.

Key Features

• Fits 2013-2015 Toyota Land Cruiser
• Hazard warning switch for dash or instrument-panel control circuits
• Female connector with male pin terminals
• 4-terminal pin design for the listed application
• Standard Ignition HZS303 replacement part number

Detailed Description

Standard Ignition HZS303 is a hazard warning switch intended for vehicles that use a 4-pin, pin-style electrical interface. For Toyota Land Cruiser owners searching for a hazard switch replacement, HZS303 provides a fitment-specific option for 2013, 2014, and 2015 models. This part also cross-references Standard Ignition HDS303 and HSW303 for the same application.

Use HZS303 when the original hazard switch no longer responds correctly, the warning flashers are intermittent, or the switch mechanism has worn from repeated use. The connector and terminal layout are listed to match the vehicle’s electrical connection requirements, helping support a proper replacement on the Toyota Land Cruiser.

What This Part Helps Resolve

• Inoperative hazard warning switch operation
• Intermittent or unreliable emergency flasher activation
• Worn or damaged switch contacts
• Electrical connection issues at the switch interface
• Loss of dash hazard light control on the listed Toyota Land Cruiser models

Installation Notes and Tips

Verify connector gender, terminal count, and terminal type against the original switch before installation. Confirm the vehicle is a 2013-2015 Toyota Land Cruiser and compare the existing part number, including HZS303, HDS303, or HSW303 references, to ensure the correct application. Disconnect the battery before servicing the switch circuit and inspect the harness connector for corrosion or bent terminals.

Quality Assurance

Standard Ignition supplies electrical replacement parts for vehicle-specific applications, and HZS303 is listed with defined connector and terminal specifications to support accurate part selection.