Mark, the heating element is underneath the drum, on the left (as facing the front of the unit).
Per the Dryer Tech Data Sheet:
E63 Error Code indicates: [Fault] Heater to Earth Ground [Possible Fault Conditions] Heating element or wiring defective [Possible Solutions] Check heater coils and connections for short circuits to the cabinet. Replace heater and/or wiring and retest.
To open the cabinet is quite difficult, speaking as a non-professional. There may be easier methods than what I used, but I was successful. First I removed all the screws from the back (there are many). This got the top and the back panels removed. The left side (where I could see the heating element was) gave me considerable trouble until I realized I had to remove the door trim to reveal one last screw. Finally got the side off and swapped out the heater. Much much vacuuming for me. I am still trying to figure out how to clean out the bottom of the duct (underneath lint filter), but that's another post.
Also, just in case you don't have the manual and/or need to order parts, I will include a link.
For some reason, the Sears Parts Direct website lists the dryer as a Gas dryer, which it obviously isn't, as the part in question is very clearly an electric heating element. Hope this helps.