MSD Wiring w/ Trunk-Mounted Battery

I'm curious how you folks with trunk-mounted batteries wire up your MSD ignition boxes. Instructions say wire the box directly to the battery. They also say not to use a fuse in that wire because the box apparently has automatically resetting short-circuit protection.

So if I run the large red wire to the battery in the trunk with no fuse, isn't that just asking for trouble if that wire shorts out?

I'm wiring all of the trunk components per Rob's (crackedback) diagram below. Is it worth tossing in an in-line fuse in the large 12v MSD wire. @Mattax , @crackedback - you guys are the experts. What do you think?

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