Ok guys new to this forum but not forums in general I hope this is the correct section as I thought about posting in the second gen tech sec... Anyways

97 blazer I'm working on a trail truck/ multipurpose rig it's 2door and came with a 4.3 anyways pulled engine and tranny doing Sas swap with 3/4 ton axles blah blah blah... Lol anyways I've been beating my head off the wall searching the web and what I need help with is, what plugs/wires new power to get power to the cab bcm as I want the interior to work as it would " I know dash won't but not worried about that" if anyone could help id appreciate it I have the engine harness and ECM out I just wasn't sure what I need power so the cab works as it should.. Power window ect.... Any help is appreciated

Phil