Standard Ignition NS-254 Neutral Safety Switch

Neutral Safety Switch for Dodge Monaco

Standard Ignition NS-254 is a neutral safety switch built for dependable electrical and mechanical switching performance. It is a direct-fit service part for 1990-1992 Dodge Monaco applications and uses copper alloy conductors to support low-resistance signal transfer.

Key Features

• Black housing with brass and plastic finish
• 1 female connector with 4 male pin terminals
• Copper alloy conductors for strong electrical conductivity
• 100% tested for mechanical and electrical switching performance
• Built to meet the demands of professional service work

Detailed Description

Standard Ignition NS-254 is a neutral safety switch for 1990-1992 Dodge Monaco models. It is engineered with durable materials and a robust switch design to help maintain proper starter interlock operation and accurate transmission range signaling. The NS-254 part number is also a useful reference when sourcing the correct replacement for Dodge Monaco electrical service work.

This part cross-references 1S4958 and CR431 for the same application. For technicians and DIY repairs, NS-254 supports clean electrical contact through copper alloy conductors and is verified through testing for both switching action and electrical continuity. If you are searching for a Dodge Monaco neutral safety switch or a Standard Ignition NS-254 replacement, this part matches the listed fitment for 1990, 1991, and 1992 models.

What It Helps Fix

• No-crank condition when the transmission is in Park or Neutral
• Starter engagement issues related to range switch failure
• Intermittent or inconsistent neutral safety signal
• Electrical switching faults caused by worn internal contacts
• Transmission start-interlock problems on Dodge Monaco vehicles

Installation Notes and Tips

Confirm connector style, terminal layout, and transmission application before installation. Match the female connector and 4-pin terminal configuration to the original part, and verify proper adjustment after installation so the switch aligns with Park and Neutral positions. For 1990-1992 Dodge Monaco service, compare the old unit to NS-254 before final assembly.

Quality Assurance

Standard Ignition builds this neutral safety switch with a focus on service-grade durability and verified switching performance. Each unit is tested for mechanical and electrical function before release.