Ice maker replaced. No ice

Had no ice. Replaced ice maker from appliance parts pros but ice maker does not fill. I have water in the door dispenser but no water to the ice maker. Do I need a water inlet valve?
Thank you!

Hello Keetkb. Click this link to perform the test needed to repair the icemaker. http://forum.appliancepartspros.com/refrigerator-freezer-repair/29618-ice-maker-not-working-kitchenaid.html