oil sending unit problem

[PR CB7]

well in the process of doing the oil cooler o-ring i took the plug outta the sending unit and the bitch ass plug fell on me

now the actual plug has a blue/red cable, but i cant see the end on the harness, theres one yellow cable coming outta the inyector harness AND thats it

engine h22a
car 92 lx

thANKS