I am sure that you have done this already, but change the fuse for that particular circuit. You likely blew it disconnecting original fridge.
Second, go back and verify that your junction (twist caps) are indeed engaging copper of both wires they are put on. I can't tell you how many times I folded over smaller wires by mistake, particularly working on tstat wiring on air conditioners.
Third, if still no power, then connect a small 12v battery (jump box, drill, etc) to each wire pair after removing fuse. If items in question work, then you have a broken wire leading to fridge.
Fourth, if fuse is good, and there absolutely is no problem with wiring, then look closely at fuse block. Make sure fuse is engaged on terminals on both sides. Also look at fuse board for burn marks, etc. look on back side too.
If your fuse block has blown fuse indicators, use those to your advantage to troubleshoot with. Turn *everything* on. Remove fuses. If the indicator for blown fuse on that circuit lights, you likely have a break in the wiring. Start turning devices off. When indicator goes out, your problem will be located between last working device and next device (or junction).