Spiral sliced hams will come up to temperature faster than bone-in hams.
Use meat thermometer to test for doneness. This is key!
This is not an all day, 8 hours in slow cooker recipe (you don’t want to shred your ham). Only bring it up to temperature (145 degrees). Substitutes for recipe if you don’t have maple syrup and pineapple. No worries! Water and brown sugar will get the job done! .