2006 300c awd does not crank
 

Hello everyone, i have 2006 Chrysler 300c AWD 5.7, sometimes car does not crank until i play with the shifter, when i am turning the ignition all lights on dash are come up and starter relay clicks when trying to start, shifter moves in to any position, at the moment when problem happens reverse taillight does not come up, what could it be?