Do you have a manual for the gen set ?
Or can you post, make and model info
My Onan 7500 , the fuse for the remote start is an inline fuse under an access plate beside the start button on the generator .
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.