tc lockup

[fastmotoute]

can some one please confirm with me if SLU red/white is the wire for tc lock up and is located in the plug for s1 and s2 if not which wire is for tc lock up. also what is SLN solenoid 4 used for? Thank you

 

[mshawari1]

What I know is the 4th solenoid used to control the oil pressure when shifting to get smooth jumps ​