Dont know where to look. Just bought the car. Was working then stopped

 

Did you check the owner's manual.is there anything given about the power plug.when did it happen?

 

There are two fuses in the driver's side interior fuse box. Fuse 9(15 AMP) and fuse 32(7.5). Fuse 9 will most likely be blown but before replacing it make sure there is not something down in either accessory socket.. like a penny. If no foriegn object and fuses are blown then replace the fuse and evaluate the device you are plugging into that socket.

 

check to see if the power supply is plugged into the back of the power plug. i went to use mine once, and the prong on the back of the plug had fallen off

 

If the power plug is not working,it may be due to loose connection or else its good to go and meet the mechanic,he will give the solution of your problem