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Within the assembly of automatic transmission components, there are a number of switches that work to power the transmission and keep the gears of your vehicle shifting correctly. In automatic engines, some of these switches also prevent the motor from starting unless the vehicle is in a parked or neutral position.


Replacing the switches of your vehicle requires exact parts, as the design of each automobile is different. Over time, the wear and tear on your engine and its components can cause trouble in areas, such as stuck or slipping gears. Failing components of a transmission can lead to costly engine trouble.