I suggest you purchase a wiring diagram of service manual for the vehicle. They are a great source of info for this. Also get a test light probe to check for power with. The fuses may be ok but if power isn’t getting to them, you have a problem. The light switch section for the dash lights needs to be checked also since the trouble may be there. If the switch is passing power then the connections to the lights is the next check. Since the dash lights aren’t working also the touble is most likely in the dash area.