Thanks for the quick response guys. Answering to the first reply, I'm convinced it's not engaging either and the light is just flashing continuously. I know the sound it makes when it locks into 4wheel and I'm not hearing anything. As far as my use of butt connectors goes, this is just temporary...
My dog chewed the entire wiring harness that runs to my transmission in an attempt to catch a rat that found its way into my engine compartment. I've put all wires that weren't duplicates back together. Then used a multimeter to check continuity and connect the rest of the wires. I fired it up...