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| Feature | Specification |
| Primary Part Number | MOTORCRAFT SW1825D |
| OEM Part Number | E53Z-11651-A (Ford/Motorcraft) |
| Engineering Number | E53B-11654-AB (Likely associated engineering number) |
| Function | Controls Headlights (Low/High Beam), Parking Lights, and Instrument Panel Dimmer (Rheostat) |
| Voltage | 12 Volts |
| Terminals | Multi-pin connection (Proprietary harness plug with multiple blade terminals) |
| Construction | Plastic Housing with a pull-out knob shaft/lever |
| Typical Use | Original Equipment (OE) switch mounted in the dashboard. |
| Vehicle/Truck | Years | Notes |
| Ford Tempo | 1985 - 1994 | Confirmed OE fitment across various trim levels. |
| Mercury Topaz | 1985 - 1994 | Mercury equivalent to the Ford Tempo. |
| Ford Escort | 1985 - 1990 | Used on the earlier body style (often superseded by another part in 1991). |
| Mercury Lynx | 1985 - 1987 | Mercury equivalent to the Ford Escort. |
| Ford LTD | 1985 - 1986 | Used on some mid-size sedan models. |
