Transmission Neutral Safety Switch

The neutral safety switch only completes the starter circuit when the gearshift is in the park or neutral position and leaves it open when it is in gear.

Transmission neutral safety switch. The neutral safety switch is a small but very important part. The clutch safety switch on vehicles with manual transmissions serves the same purpose. That way the vehicle will not roll forward right afterward. The purpose of the neutral safety switch is to.

The neutral safety switch is a safety device that only allows you to start your engine when the automatic transmission is in either park or neutral. In an automatic transmission vehicle the neutral safety switch is typically placed inside the case of the transmission. If the neutral safety switch fails it is possible the vehicle will not start. For instance if you inadvertently set the gear to drive and then try to start the engine the neutral safety switch will prevent the engine from starting.

It is common for the neutral safety switch to be part of the same assembly as the reverse light switch which turns on your back up lights when you put your vehicle in reverse. Thus the starter solenoid receives power from the battery only in the park and neutral transmission thus allowing the engine to start only in these cases. The neutral safety switch is a safety device that only allows you to start your engine when the automatic transmission is in either park or neutral.