Where is the neutral safety switch located on a 90 ford econoline van 300 49l 3 speed?

On a 1990 Ford Econoline van with a 300 4.9L engine and a 3-speed transmission, the neutral safety switch is typically located on the transmission itself. It is mounted on the side of the transmission and is usually connected to the shift linkage. This switch prevents the engine from starting unless the transmission is in the "Park" or "Neutral" positions. To access it, you may need to lift the vehicle for better visibility and reach.