Product Description
| Feature | Specification |
| Primary Part Number | MOTORCRAFT SW1991A |
| OEM Part Number | E7DZ-11572-A (Ford/Motorcraft) |
| Function | Ignition Switch (The electrical component that controls power to accessories, ignition, and starter circuits) |
| Voltage | 12 Volts |
| Switch Type | Multi-position, Column-mounted Electrical Switch |
| Terminals | Multi-pin connection (Typically a large rectangular harness connector with numerous blade terminals) |
| Construction | Plastic Housing with internal contacts and mechanical linkage rod mount |
| Typical Use | Original Equipment (OE) Switch mounted on the steering column, actuated by a rod from the lock cylinder. |
| Vehicle/Truck | Years | Engine Type | Notes |
| Ford Taurus | 1986 - 1989 | I4 2.5L, V6 3.0L, V6 3.8L | Confirmed OE fitment for all engine options in these years (FWD models). |
| Mercury Sable | 1986 - 1989 | V6 3.0L, V6 3.8L | Mercury equivalent to the Ford Taurus. |
| Lincoln Continental | 1988 - 1989 | V6 3.8L | Used on the new FWD luxury sedan platform. |