Standard Ignition US-461 Ignition Switch

Ignition Switch for Infiniti Column-Mount Applications

The Standard Ignition US-461 ignition switch is a column-mounted replacement built for direct electrical control in select Infiniti vehicles. It uses a bolt-on attachment method, a round female connector, and blade terminals to match the original switch interface.

Compatible with 1997-2004 Infiniti Q45, 2003-2004 Infiniti G35, and 2003-2004 Infiniti M45, this ignition switch supports accurate key-to-starter and accessory circuit operation. The US-461 is a practical choice when diagnosing intermittent no-start conditions or worn ignition switch contacts.

Key Features

• Standard Ignition US-461 ignition switch
• Column mounting location with bolt-on attachment
• 1 round female connector
• 5 male blade terminals
• Direct-fit electrical layout for select Infiniti models
• Cross-references 48701AD000 and CS933 for the same application

Detailed Description

Built for column installation, the US-461 ignition switch is configured with a single round female connector and five male blade terminals to align with the vehicle’s factory wiring design. For Infiniti G35, Infiniti M45, and Infiniti Q45 applications, this part restores the electrical switching function that routes power through the ignition circuit when the key is turned.

Standard Ignition US-461 is used in vehicles where the original switch shows wear at the internal contacts or connector interface. It is a focused replacement for drivers and technicians servicing 2003-2004 Infiniti G35, 2003-2004 Infiniti M45, and 1997-2004 Infiniti Q45 ignition systems.

What It Helps Fix

• No-start condition caused by a failing ignition switch
• Intermittent accessory power loss at the column
• Key-turn electrical response issues
• Worn or inconsistent ignition contact operation
• Electrical faults traced to the factory switch assembly

Installation Notes and Tips

Verify the connector shape, terminal count, and mounting location before installation. This ignition switch mounts on the column with a bolt-on design, so matching the original switch configuration is important for proper fitment. Confirm vehicle application by year and model before ordering the Standard Ignition US-461.

• Fits 2003-2004 Infiniti G35, N/A
• Fits 2003-2004 Infiniti M45, N/A
• Fits 1997-2004 Infiniti Q45, N/A

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical replacement parts, and the US-461 is built to meet the fitment and connector requirements listed for the specified Infiniti applications.