I was wondering if anyone had any diagrams or could tell me what all the lines are that leave the master cylinder and goto the proportioning valve. I want to know if the two lines are seperated between front and back lines

I have a 95 pontiac firebird

 

This is your best bet

https://camaroforums.com/m_10742/tm.htm

It's one of the many stickies at the top of this section, check them out, they have a lot of good info in them.