Standard Ignition NS737 Neutral Safety Switch

Overview of Standard Ignition Neutral Safety Switch NS737

The Standard Ignition NS737 neutral safety switch is designed for reliable electrical performance in select Toyota and Scion vehicles. This 12-volt switch ensures proper starting system operation by preventing the engine from starting unless the transmission is in neutral or park.

• Compatible with Toyota Corolla, Corolla iM, and Scion iM models
• Part number NS737 for precise identification
• 9 male blade and pin terminals with 1 female rectangular connector
• Bolt mount attachment method for secure installation
• Durable metal and plastic construction with black and silver finish
• Length of 4 inches (101.6 mm) for exact fitment

Detailed Product Description

The Standard Ignition NS737 neutral safety switch is engineered to meet the electrical and mechanical requirements of specific Toyota Corolla and Scion iM vehicles. Featuring a bolt mount design, this switch installs securely to the transmission housing. It includes nine male terminals configured as blade and pin types, paired with a single female rectangular connector, ensuring proper electrical connections within the starting circuit. The switch is constructed from metal and plastic materials, finished in black and silver, providing durability and resistance to typical automotive conditions. With a length of 4 inches (101.6 mm), it fits precisely in the designated mounting location without modification.

Common Applications and Problem Resolution

• Prevents engine from starting in gear, enhancing safety
• Resolves issues with engine not starting or intermittent starting failures
• Eliminates problems related to faulty transmission range detection
• Addresses electrical connection faults in the starting circuit
• Replaces worn or damaged neutral safety switches in compatible Toyota and Scion models

Installation Notes and Tips

Installation of the Standard Ignition NS737 neutral safety switch requires removal of the old switch from the transmission housing. The bolt mount attachment method ensures a secure fit; however, mounting hardware is not included and must be reused or sourced separately. Care should be taken to align the switch correctly to maintain proper transmission range detection. Verify all nine male terminals and the female connector are properly engaged to avoid electrical faults. Testing the switch function before final assembly is recommended to confirm correct operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The NS737 neutral safety switch undergoes quality control testing to ensure reliable performance in Toyota Corolla and Scion iM vehicles. While mounting hardware and gaskets are not included, the switch itself is backed by Standard Ignition's limited warranty against defects in material and workmanship. Refer to Standard Ignition's warranty policy for specific coverage details.