Karim,
I'd need to see the other PDFs because there is a good chance that Z7/36 is actually a fused +12vdc supply somewhere in the engine harness or in the engine compartment. It would make sense because the relay would close to ground in the RCM to engage the clutch. If you want, you can give me a call or email me. My email is
rudy@acceleratedindustries.com and my phone number is 952-681-1000.
Thanks