Standard Ignition NS-53 neutral safety switch for the 1967-1977 Ford F-250 and other vehicles allows the engine to start only in Park or Neutral. This electrically operated switch replaces a damaged OE unit and restores neutral safety function.
- Electrically operated switch that restores neutral safety function
- Plastic body made to withstand extreme conditions
- Rectangular connector with four bullet terminals
- 13.25 in (336.55 mm) wiring harness
- 100% end-of-line testing on every switch
Quick facts
- Part: Standard Ignition NS-53 neutral safety switch
- Fits: the 1967-1977 Ford F-250 and other vehicles
- Material: Plastic
- Condition: New
If the engine will not crank in Park or Neutral, or cranks while the transmission is in gear, a failing switch can be one cause among several. Before replacing it, look over the connector and wiring harness with the engine off for damage, corrosion or loose terminals, since a poor connection can also interrupt the circuit.
Fits
This switch is a direct-fit replacement for the 1967-1977 Ford F-250, the 1967-1977 Ford F-350 and the 1967-1970 and 1973-1977 Ford F-100, made to OE spec for fit, form and function. A truck takes a single switch, and this listing is one switch.
Specifications
Fit and size
- Quantity per vehicle: 1
- Length: 2.15625 in (54.76875 mm)
- Wiring harness length: 13.25 in (336.55 mm)
- Number of wires: 4
- Connector: rectangular, 1 connector, male/female
- Terminals: 4 bullet terminals, male/female
- Mounting type: bolt mount
Build and materials
- Material: Plastic
- Voltage: 12V
- Condition: New
- Country of origin: China
In the box
One neutral safety switch. Gaskets and mounting hardware are not included, so plan on new bolts, since the old ones may not be reusable.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Does the Standard Ignition NS-53 work as a 1967-1977 Ford F-250 neutral safety switch?
Yes. The Standard Ignition NS-53 is a direct-fit replacement for the 1967-1977 Ford F-250 and fits the 1967-1977 Ford F-350 too.
Does the NS-53 neutral safety switch come with gaskets or bolts?
No. This listing is one switch, and gaskets and mounting hardware are not included, so plan on new bolts.
What connector does the Standard Ignition NS-53 use?
Standard Ignition NS-53 has a rectangular connector with four wires and four bullet terminals, plus a 13.25 in (336.55 mm) wiring harness. It is a 12V switch.
Why would a truck not crank in Park if the neutral safety switch is at fault?
If the switch is at fault, it can keep the starter circuit open in Park or Neutral, or let the engine start in gear. A shop can test the circuit safely.
Is the NS-53 switch body plastic, and where is it made?
Yes, the body is plastic, and the switch is made in China. Every unit also goes through 100% end-of-line testing.
