this is just a splice not a fuse able link. does the fuse able link have some type of voltage/ampere burning point?   like a fuse.

That looks a little hokey. Is that green wire home electrical wire? Fusible links have a temperature burning point, not amps like a fuse. They are rated by the gauge of the wire. Needs to be replaced with the same gauge, and I don't know what gauge it's suppose to be. You could just cut one out of a junkyard Toyota truck and splice it in to your wirring. Usually fusible link is sold by the roll, like wire. Junkyard might be cheaper. Use buttconnectors to splice it to the wirring cause the fusible links are heat sensitive. Or you might be able to get the whole assembly from a junkyard truck.