Standard Ignition NS-331 Neutral Safety Switch

Neutral Safety Switch for GM Applications

Standard Ignition NS-331 is a neutral safety switch built for reliable electrical switching in automatic transmission applications. It uses copper alloy conductors for strong conductivity and low resistance, with a robust housing made from metal and plastic materials.

Compatible With Chevrolet HHR, Cobalt, Malibu; Pontiac G5, G6, Pursuit, Grand Am; Saturn Vue, Aura, Ion, L300; Chevrolet Classic; and Oldsmobile Alero applications across the listed model years.

Key Features

• Neutral safety switch for automatic transmission starting and gear-position circuit control
• Black and silver finish with a metal and plastic construction
• Female connector with 1 connector interface
• 11 male blade terminals for secure electrical connection
• Copper alloy conductors for efficient current transfer and reduced resistive loss
• 100% tested for mechanical and electrical switching performance

Detailed Product Overview

The Standard Ignition NS-331 neutral safety switch is engineered for service work where accurate transmission range signaling matters. It is built with durable materials and tested to verify both the mechanical action and electrical switching function. This part cross-references Rostra Powertrain Controls 50-1165 for the same application. Standard Ignition NS-331 is a direct-fit style replacement for a wide range of GM vehicles, including Chevrolet Malibu, Pontiac G6, and Saturn Vue applications.

Common Issues This Part May Resolve

• Engine will not crank in Park or Neutral
• Intermittent starting caused by range switch electrical faults
• Incorrect transmission range signal to the starting circuit
• Wear-related switching problems in the neutral safety circuit
• Connector or terminal-related continuity issues at the switch

Installation Notes and Tips

Verify the transmission range and connector style before installation. Confirm the vehicle application against the listed fitment for Chevrolet HHR, Cobalt, Malibu, Pontiac G5, G6, Saturn Vue, Aura, Ion, and related GM models. Inspect the harness connector and terminals for corrosion, bent blades, or heat damage before connecting the replacement switch.

Quality Assurance

Standard Ignition builds this switch with service-grade materials and validates both electrical and mechanical operation through testing. The design reflects long-term development focused on technician needs and dependable replacement performance.