Standard Ignition NS-644 Neutral Safety Switch

Reliable Neutral Safety Switch for Scion xD

The Standard Ignition NS-644 Neutral Safety Switch is designed specifically for the Scion xD, ensuring proper electrical function and safety. This bolt-mount switch features durable metal construction and precise terminal configurations to maintain reliable vehicle operation.

• Compatible with Scion xD models
• Bolt mount attachment for secure installation
• 9 male blade terminals with one female rectangular connector
• Constructed from metal with aluminum and plastic finish
• Operates on 12-volt electrical systems
• Compact length of 4 inches (101.6 mm)

Product Details and Specifications

The NS-644 neutral safety switch by Standard Ignition is engineered to meet the electrical and safety requirements of the Scion xD. It features a bolt mount design for straightforward installation and a robust metal body finished in black and silver aluminum and plastic. The switch includes nine male blade terminals and one female rectangular connector, designed to integrate seamlessly with the vehicle’s wiring harness. This 12-volt switch measures 4 inches in length, making it a precise fit for the intended application. Note that mounting hardware and gaskets are not included with this part.

Function and Common Applications

This neutral safety switch is essential for preventing the engine from starting unless the transmission is in neutral or park, enhancing vehicle safety and preventing accidental starts. It is commonly used to address issues such as:

• Engine failing to start due to faulty neutral safety switch
• Intermittent starting problems related to electrical connection faults
• Transmission safety interlock malfunctions
• Electrical shorts or open circuits in the starting system
• Replacement of worn or damaged neutral safety switches in Scion xD vehicles

Installation Notes and Tips

Installation of the Standard Ignition NS-644 neutral safety switch requires removal of the old switch and mounting the new unit using bolts (mounting hardware not included). Ensure all electrical connectors are securely attached, matching the nine male blade terminals and the single female rectangular connector. Verify the switch alignment to prevent transmission or starting issues. It is recommended to consult the vehicle’s service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Scion xD. While mounting hardware and gaskets are not included, the NS-644 neutral safety switch is built with durable materials to withstand typical automotive conditions. Please refer to Standard Ignition’s warranty policy for coverage details.