What all was required to do this?
Pretty much extra hoodlight and sheet metal screws. Tapped off the original light and grounded on the other screw hole on the 2nd hood light. I soldered mine recommend that way btw.
Don't think my light under the hood ever worked. There is no voltage drop when the bulb is removed. No biggy. Did all the GMTs with a Vortec have hood insulation? Can not remember removing mine, too much homebrew. No biggy.
I'm not sure but I would put hood insulation. Lmc has some or pretty much anybody that sells it would work. I got new insulation clips from amazon, lot cheaper there lol