It's not surprising that the gauge is not moving since the pump doesn't seem to be running. You need to first check to see if you are getting power to the pump (using a voltmeter, test light, etc.). If you have power, you will need to open the impeller housing and check the impeller. Its not uncommon for those pumps to stick. You can buy a new impeller that is a little less stiff to help with that.
If you don't have power, you may have a blown fuse, bad connections at the switch, etc. I believe that each of the pumps has a 20A fuse.