Restore reliable shifter functionality to your 1979-1993 Mustang with the All Classic Parts neutral safety switch, a direct-replacement unit for the AOD transmission that eliminates the guesswork of diagnosing a broken or malfunctioning factory switch. A failed NSS can prevent the engine from cranking in park or neutral, leave back-up lamps dark in reverse, or allow the starter to engage in gear, making replacement a safety-critical repair rather than a simple convenience fix.
Direct-fit replacement for the AOD platform. The 4-pin electrical connector matches the factory harness exactly, so no splicing, adapter pigtails, or wiring modifications are needed. The switch seats into the transmission housing the same way the original did, restoring the correct park and neutral start positions right out of the box.
Back-up lamp circuit included. Internal circuitry detects when the shifter moves into reverse and activates the back-up lamps automatically, matching the full functionality of the OEM switch. Both safety and lighting functions are covered in a single replacement part.
Broader fitment than the AOD alone. The same switch also fits 1977-1995 Ford C3 and A4LD transmissions, making it a practical stocking choice for shops and restorers working across multiple classic Ford platforms.
Product Benefits
- Restores Starter Safety Logic: Engine cranks only in park or neutral, as the factory intended.
- 4-Pin Direct Connector: Plugs into the factory harness with no cutting or splicing.
- Back-Up Lamp Activation: Reverse gear triggers the back-up lamps through the integrated circuit.
- OEM Replacement: Replaces original part number D6RY-7A247-B for verified fitment.
- AOD Transmission Fit: Designed for 1979-1993 Ford Mustang AOD applications.
- Extended Compatibility: Also fits C3 and A4LD transmissions from 1977 through 1995.
About All Classic Parts (ACP): All Classic Parts specializes in reproduction and replacement components for classic Ford vehicles, focusing on accurate fitment and OEM-comparable quality for restorers and enthusiast owners keeping vintage Fords on the road.
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Fitment | 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993 |
