HomeElectrical, Lighting and Body > SwitchesStandard Ignition LS-249 Neutral Safety Switch
Part #: LS-249

Standard Ignition LS-249 Neutral Safety Switch

⚙️ 105 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mercury, Jeep, and Lincoln, E-100 Econoline, E-100 Econoline Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-250 Econoline Club Wagon, F-150, F-250, E-350 Econoline, E-350 Econoline Club Wagon, F-100, E-200 Econoline, E-300 Econoline, Country Squire, Custom, Custom 500, Fairlane, Falcon, Galaxie 500, LTD, Mustang, Ranch Wagon, Thunderbird, Colony Park, Comet, Club Wagon, Falcon Sedan Delivery, Station Bus, Dispatcher, FC150, FC170, FJ3A, Universal, Utility, CJ3, CJ5, CJ6, DJ3, Montclair, Monterey, Club, Country Sedan, Courier Sedan Delivery, Custom 300, Galaxie, Ranchero, Skyliner, Sunliner, Victoria, Commuter, Country Cruiser, Park Lane, Voyager, Del Rio Wagon, Medalist, Turnpike Cruiser, Customline, Mainline, Park Lane Wagon, 475, Willys, Crestline, Capri, Cosmopolitan, Mercury, Deluxe, Lincoln, Ford, 9EL Series, and Super Deluxe
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Reliable Neutral Safety Switch for Ford, Jeep, and Mercury Vehicles

The Standard Ignition LS-249 Neutral Safety Switch is designed to ensure safe engine starting by preventing the vehicle from starting in gear. This switch is compatible with a range of Ford, Jeep, and Mercury models, including the Ford F-150, Mustang, and Jeep CJ5, providing a precise fit and reliable performance.

Key Features of Standard Ignition LS-249 Neutral Safety Switch

  • Connector Gender: No connector included for direct terminal connection
  • Single connector quantity for streamlined installation
  • Two male blade terminals for secure electrical contact
  • Blade terminal type designed for durability and ease of connection
  • Compatible with multiple Ford Econoline models, Mustang, Thunderbird, Jeep CJ5, and Mercury Colony Park

Detailed Product Description

The LS-249 Neutral Safety Switch from Standard Ignition is engineered to meet OEM specifications for electrical and safety components. Featuring two male blade terminals and a single connector interface without a connector housing, this switch is intended for direct blade terminal connections, ensuring a stable and reliable electrical path. Its design supports a variety of Ford trucks such as the F-100, F-150, F-250, and Econoline series, as well as Jeep CJ5 and Mercury models like the Colony Park and LTD. The blade terminal type enhances connection integrity, reducing the risk of electrical faults during vehicle operation.

Common Applications and Issues Addressed

  • Prevents engine start when the transmission is in gear, enhancing safety
  • Resolves intermittent starting problems related to faulty neutral safety switches
  • Eliminates no-start conditions caused by switch failure in Ford F-150 and Mustang models
  • Addresses electrical connection issues in Jeep CJ5 and Mercury Colony Park vehicles
  • Restores proper starting circuit function in Econoline vans and trucks

Installation Notes and Tips

  • Ensure the vehicle is in park or neutral before installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Verify terminal orientation and secure blade connections firmly
  • Consult vehicle-specific service manuals for exact switch location and removal procedures
  • Test the switch operation before final assembly to confirm proper function

Quality Assurance and Warranty Information

Standard Ignition manufactures the LS-249 Neutral Safety Switch to meet stringent quality standards, ensuring reliable performance and durability. This part is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use across compatible Ford, Jeep, and Mercury vehicles.

BrandStandard Ignition
Part NumberLS-249
Connector GenderNo Connector
Terminal GenderMale
Terminal TypeBlade

This part fits 105 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
1979FordE-100 EconolineManualN/A
1979FordE-100 Econoline Club WagonManualN/A
1979FordE-150 EconolineManualN/A
1979FordE-150 Econoline Club WagonManualN/A
1979FordE-250 EconolineManualN/A
1979FordE-250 Econoline Club WagonManualN/A
1979FordF-150ManualN/A
1979FordF-250ManualN/A
1978FordE-100 EconolineManualN/A
1978FordE-100 Econoline Club WagonManualN/A
1978FordE-150 EconolineManualN/A
1978FordE-150 Econoline Club WagonManualN/A
1978FordE-250 EconolineManualN/A
1978FordE-250 Econoline Club WagonManualN/A
1978FordF-150ManualN/A
1978FordF-250ManualN/A
1977FordE-100 EconolineManualN/A
1977FordE-100 EconolineN/A
1977FordE-100 Econoline Club WagonManualN/A
1977FordE-100 Econoline Club WagonN/A
1977FordE-150 EconolineManualN/A
1977FordE-150 EconolineN/A
1977FordE-150 Econoline Club WagonManualN/A
1977FordE-150 Econoline Club WagonN/A
1977FordE-250 EconolineManualN/A
1977FordE-250 EconolineN/A
1977FordE-250 Econoline Club WagonManualN/A
1977FordE-250 Econoline Club WagonN/A
1977FordE-350 EconolineN/A
1977FordE-350 Econoline Club WagonN/A
1977FordF-150ManualN/A
1977FordF-250ManualN/A
1976FordE-100 EconolineManualN/A
1976FordE-100 EconolineN/A
1976FordE-100 Econoline Club WagonManualN/A
1976FordE-100 Econoline Club WagonN/A
1976FordE-150 EconolineManualN/A
1976FordE-150 EconolineN/A
1976FordE-150 Econoline Club WagonManualN/A
1976FordE-150 Econoline Club WagonN/A
1976FordE-250 EconolineManualN/A
1976FordE-250 EconolineN/A
1976FordE-250 Econoline Club WagonManualN/A
1976FordE-250 Econoline Club WagonN/A
1976FordE-350 EconolineN/A
1976FordF-150ManualN/A
1976FordF-250ManualN/A
1975FordE-100 EconolineManualN/A
1975FordE-100 EconolineN/A
1975FordE-100 Econoline Club WagonManualN/A
1975FordE-100 Econoline Club WagonN/A
1975FordE-150 EconolineManualN/A
1975FordE-150 EconolineN/A
1975FordE-150 Econoline Club WagonManualN/A
1975FordE-150 Econoline Club WagonN/A
1975FordE-250 EconolineManualN/A
1975FordE-250 EconolineN/A
1975FordE-250 Econoline Club WagonManualN/A
1975FordE-250 Econoline Club WagonN/A
1975FordE-350 EconolineN/A
1975FordF-100ManualN/A
1975FordF-150ManualN/A
1975FordF-250ManualN/A
1974FordE-100 EconolineManualN/A
1974FordE-100 EconolineN/A
1974FordF-100ManualN/A
1974FordF-250ManualN/A
1973FordE-100 EconolineManualN/A
1973FordE-100 EconolineN/A
1973FordF-100ManualN/A
1973FordF-250ManualN/A
1972FordE-100 EconolineManualN/A
1972FordE-100 EconolineN/A
1972FordF-100ManualN/A
1972FordF-250ManualN/A
1971FordE-100 EconolineManualN/AFrom Serial No. K00001
1971FordE-100 EconolineN/A
1971FordF-100ManualN/A
1971FordF-250ManualN/A
1970FordF-100ManualN/A
1970FordF-250ManualN/A
1966FordLTDN/A
1966FordMustangN/A
1966FordThunderbirdN/A
1966MercuryColony ParkN/A
1965FordLTDN/A
1965FordMustangN/A
1965FordThunderbirdN/A
1965MercuryColony ParkN/A
1964FordMustangN/A
1964FordThunderbirdN/A
1963FordThunderbirdN/A
1962FordThunderbirdN/A
1961FordThunderbirdN/A
1960FordThunderbirdN/A
1960JeepCJ5N/A
1959FordThunderbirdN/A
1959JeepCJ5N/A
1959MercuryColony ParkN/A
1958FordThunderbirdN/A
1958MercuryColony ParkN/A
1957FordThunderbirdN/A
1957MercuryColony ParkN/A
1956FordThunderbirdN/A
1955FordThunderbirdN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1H15520A1S720553-1180771041289057284NS6499S663SW4764SW938

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.