cel 20 help if you ca thanks

whats up everyone well to start off i have a 90 rs with b16 with jumper to obd1 so i been looking around about this cel but the only thing i found was that if something wasn’t plugged in all the way or if you got a bad fuse box you’ll get this cel but i seen a plug missing to my fuse box it was the one wired plug with white and red wire does anybody know what these goes too if anybody can help thank you and this is my first tread so my bad if i did anything wrong

Your thread is here. No need to make a second one.