Proper battery swap for 09+ Ralliart. Looking how to do it the right way :)

Hi everybody, I have a 2014 Ralliart that I am in the process of relocating the battery to the trunk. I have already routed the battery cable from the trunk/boot to the hood/bonnet. My question is, how should I wire the starter and fusible link to the battery in the back? Don't want to jerry rig something that may work but looks sketchy or unproffesional.

I can add pics if that would help.

Thanks

Sam V.