Kenmore gas dryer model 110.96742701

I was just given the above model Kenmore gas dryer for possible repair. The unit with s/n MW1901117 is very clean and there is no damage noted externally. As soon as I plug it into the 110 volt outlet it pops the circuit breaker unless the door is left open. When the door is closed it pops the breaker. There is no data sheet or troubleshooting page inside the top end . I am not familar with this type of gas dryer and am seeking advice on troubleshooting before I take it apart. HELP

Hello, you have a short somewhere. Check the wire connections around the door switch.