I've searched the forum with limited info, but this was the closest I found, yet it leaves some questions related to the LT1 cars.

http://www.rodney.chalker.com/o2_simulator.htm the only issue with what I found here is that on fbody at least a 97 it's 2 dark brown, light brown and a purple wire. Anyone know what would be considered the black wire on the fbody setup after glancing at the URL I attached?