@TechConnectify having taught electrical installation and fault finding..... I find that in some ways there's an innate ability in some people. Others who can just about grasp it and others that can't make the connections.

I don't know if that's because there's nothing being taught at primary school level now or not.

Even trying to teach the basics of
ID problem
Formulate solution
Test solution
???
Profit/repeat

Didn't really help.