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The neutral is needed for the internal sensing electronics inside of the photo cell switch.
Neutral switch
The charge of a "hole" is positive (+ive), it is the lack of an electron (negative/-ive) to make the atom "neutral".
Neutral switch? If you mean the neutral-safety switch, it's a switch that opens (prevents current from flowing) when your car is not in park or neutral. Without this switch, you would be able to turn the key and actuate the starter when your transmission is in reverse, drive and low range.
neutral safety switch will stop vehicle from starting in all gears except park and neutral.
Unless the switch has a pilot light on it there is need for a neutral connection to the switch.
Vakavtchiev and Violin invented the neutral safety switch.
where is the neutral safety switch on gm safari
How do you replace the safety neutral switch on a 1995 Jeep Cherokee 5-speed transmission and Where is the safety neutral switch located?
Begin by removing the wiring from the 2002 Chevy Cavalier neutral safety switch. Remove the neutral safety switch retaining screws. Reverse the process to install your new neutral safety switch.
Switch it.
The neutral safety switch prevents you from cranking the car in any other gear than park or neutral.