Welcome to the asylum. Dan-mark is a great idea, at least according to most. I would suggest you add an auxiliary fuse box/panel powered with a relay that is powered by the accessory wire under the right side cover. This way you can power lots of added gew gaws. If all you will ever add is the dan-mark then you can probably use the accessory wire.
The Easter Beaver PC-8 fuse box with the associated relay is easy to use.
http://www.easternbeaver.com/Main/Wiring_Kits/Fuseboxes/PC-8/pc-8.htmlI power my radio, external power outlets, quad horns, LED running lights, dan-mark and headlight smart switch.
You may also consider de-smogging. I put my dan-mark in the same day I de-smogged.
Search for dan-mark and you will get lots of info on how it is installed.
Good luck.
greg