PLC Based Car Washing System Car washer is single activity done in mandate to keep the external of the car clean. Mostly it is done manually in locomotive garage, this manual way of cleansing car a rise in more waste of water, manpower and time. The automatic car washer system diminishes the utility of water and also manpower need. Car washer system utilizes control using PLC. There are three procedures involved in our car washer system namely wash, cleansing and drying. Cycles of washer includes wash with detergent, and then with water. A PLC is a controller which can control most of the machines very easily. Installing a program and setting it up is very easy in a PLC. The programs written in ladder language can be authenticated and checked before ultimate installation and also it can be edited at any time without disturbing any physical apparatus of the project. The best part of using a PLC is that it does not need any typical wiring and rewiring i...