need help with some under the hood issues

[TexasStyle280z]

i have a 77 280 and ive got a few issues i could use some help with. in the engine bay there are a number of cut wires and hoses that i dont know were they are suposed to be coming from, going to, etc. everything on the car seems to be working so im having trouble diagnosing it.

attached to this post is a couple pics so you can see what im talking about. any help would be greatly appreteated.

[racebird1]

Those hoses are for the heater controls. some go to those solenoid valves, that long vac canister and to heater flap and to manifold torwards the brake booster. I don,t have a exact drawing with me but it is in the FSM