Where is the neutral safety switch on a Turbo 350 transmission?
Some early 70’s Chevy/GMC vans with the Turbo 350 have the neutral start switch mounted ON the transmission. The case has two extended prongs cast into the left side of the case just above the shift lever. Most column shifted GM’s have the neutral start/back up light switch on the column.
How to tell if neutral safety switch is bad?
Symptoms of a Bad or Failing Neutral Safety Switch
- Engine will not crank in park but cranks in neutral.
- Engine will not crank in neutral but cranks in park.
- Engine does not crank at all, regardless of the transmission gear.
- Engine cranks in any gear.
What happens if you have a bad neutral switch?
In other words, a properly functioning neutral safety switch will only allow the engine to crank and start if the shifter lever is in the Park or Neutral position. A faulty neutral safety switch may allow the engine to crank over and even start when the transmission is in gear. Such occurrences could result in serious personal injury or death.
Where is the neutral switch on a car?
A neutral safety switch works just like a clutch switch except that it keeps an automatic transmission from starting in gear. The neutral safety switch will allow the engine to start with the transmission selector in park and neutral. The switch is located in two places on the vehicle.
How to test and replace the neutral safety swtich?
Check with your vehicle’s repair manual for testing parameters. And don’t forget to wear safety glasses. The inhibitor switch detects the selector position and sends a signal to the A/T control unit. P0705 is a malfunction detected when the A/T control unit does not receive the correct voltage signal from the switch based on the gear position.
Where is the neutral switch on a column shifter?
The switch is located in two places on the vehicle. Column shifters have the neutral safety switch located on the of the transmission. Mechanical floor shifters have the neutral safety switch located on the of the transmission.