Electrical rewire on a Classic Vix /2500. adding fuse block?

[JeffT]

Adding a fuse block to the green as well as the red wired circuits:

Green Wire- Back up Lights / Fuel Gauge / Radiator Fan / E-Brake / Wipers, Heater, Tach

Red Wire- Panel Lights / Parking Lights

• What should the typical fuse rating be for each circuit?