Guard your starter circuit so the engine only cranks in Park or Neutral with the Standard Ignition Neutral Safety Switch NS-44. It drops in as a direct-fit replacement for the 1985-1994 Ford Ranger, 1986-1990 Ford Bronco II, 1987 Ford Bronco, 1987 Ford F-250, the 1987, 1991, and 1993 Ford F-150, 1990-1995 Ford Aerostar, 1991-1994 Ford Explorer, and 1991-1994 Mazda Navajo (All engines).
Wired into the transmission-position circuit, this switch permits the starter to engage only when the gear selector is in the intended safe position. Standard Ignition builds it to hold up to real-world service demands.
Gaskets and mounting hardware are not included. Country of origin: Taiwan.
Interchange: S9193 · F419 · NS6529 · 86GT7A247AA · D6TZ7A247A · E6TZ7A247A · SW2039 · 88923274 · ZZL019444. Manufacturer part number NS-44 (also NS44).
This part cross-references / interchanges with the following part numbers:
What does the NS-44 neutral safety switch do?
It sits in the transmission-position circuit and lets the starter engage only when the selector is in a safe position, so the engine cranks in Park or Neutral rather than in gear.
Will this switch fit my vehicle?
It's a direct-fit replacement for the listed Ford Ranger, Bronco, Bronco II, F-150, F-250, Aerostar, Explorer, and Mazda Navajo years. Check the Buyer's Guide tab to confirm your exact application.
What are signs this switch may need replacing?
Signs it may need replacing include the engine not cranking in Park or Neutral, cranking in other gear positions, or intermittent starting. Diagnose the cause before replacing, as other components can cause similar symptoms.
Does it come with gaskets or mounting hardware?
No. The catalog lists Gaskets Included: No and Mounting Hardware Included: No, so consult the vehicle service information for any required hardware and installation details.
What connector and terminals does it use?
It has a single round connector with 5 male bullet terminals, uses a screw-in attachment method, and is rated for 12V.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
