Have a turffmaster it has a 16.5 briggs no spark put new spark plug but not sure where elese to go

How do I check the coil to make sure it is good.

Here is the link to the wiring diagram
http://www.murray.com/documents/IPL/425017x24A.pdf

have a turffmaster it has a 16.5 briggs no spark put new spark plug but not sure where elese to go

how do i check the coil to make sure it is good.

here is the link to the wiring diagram
http://www.murray.com/documents/IPL/425017x24A.pdf

OK a updated pulled the ground wire on the coil and it starts. But what would be the cause where do I go to fix that?