Where is the neutral safety switch on 1999 Nissan Frontier?

On a 1999 Nissan Frontier, the neutral safety switch is typically located on the transmission. It is mounted on the side of the transmission housing, near the gear selector linkage. This switch prevents the engine from starting unless the vehicle is in either the "Park" or "Neutral" position. If you're having trouble locating it, consulting the vehicle's service manual can provide specific details.