Fusible link upgrade possible?

Here is the low-down;
Have a very nice Travco motorhome. Been working on thinks as I can get to them, with an eye on making it as 'break-down' free and easy to work on as possible. Off the starter relay I have two fusible links, one is 14 gauge wire, the other 16 gauge. One thing I cannot find any info on is what the amp rating is on these two should be. My thought behind it is to replace the fusible links with an inline 'mini-fuse' set up that could be easily replaced if it pops while on a trip or something. Don't want to guess and either have constant issues or a nice fire- 32' of marine-grade fiberglass burning would be one helluva inferno