Standard Ignition US-421 Ignition Switch

Overview of Standard Ignition US-421 Ignition Switch

The Standard Ignition US-421 ignition switch is designed specifically for Nissan Sentra models, providing reliable electrical connection and secure mounting. This bolt-on ignition switch features a female rectangular connector and six male blade terminals, ensuring compatibility and ease of installation in the vehicle's steering column.

• Bolt-on attachment method for secure mounting
• Female rectangular connector with one connection point
• Six male blade terminals for reliable electrical contact
• Designed for column mounting location
• Compatible with Nissan Sentra models

Detailed Product Description

The US-421 ignition switch from Standard Ignition is engineered to meet the specific electrical and mechanical requirements of Nissan Sentra vehicles. Its bolt-on design allows for straightforward installation directly onto the steering column, maintaining factory fit and function. The switch includes a single female rectangular connector, which interfaces with the vehicle wiring harness, and six male blade terminals that provide secure and consistent electrical connections. This configuration supports the ignition system's operation, enabling proper vehicle start-up and accessory power distribution.

Common Applications and Problem Resolution

This ignition switch is used primarily to replace faulty or worn ignition switches in Nissan Sentra models. It addresses several common issues, including:

• Intermittent or no electrical connection when turning the key
• Failure to start or accessory power loss
• Loose or damaged mounting causing ignition switch movement
• Corroded or worn blade terminals affecting electrical continuity
• Connector damage or poor fit with the vehicle wiring harness

Installation Notes and Tips

Installation of the US-421 ignition switch requires removal of the steering column covers to access the mounting location. The bolt-on attachment method ensures a secure fit; however, it is important to verify that all six blade terminals are properly aligned and fully engaged with the vehicle wiring harness connector. Use appropriate tools to avoid damaging terminals or connectors during installation. Always disconnect the vehicle battery before beginning work to prevent electrical shorts or injury.

Quality Assurance and Warranty Information

Standard Ignition manufactures the US-421 ignition switch to meet OEM specifications for fit, form, and function. The product undergoes quality control testing to ensure reliable performance in Nissan Sentra vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.