94 civic,no horn,cruise,brake lights,nor shift lock from park
 

94 civic,as you can se mutilipal probs and driving me nuts trying to
find the prob. all fuses are good.i am thinking maybe a bad brake light
switch? how can i test it? were can i get my hands on a wiring diagram
for this part of the elect system or has anyone else had this prob
before. any help appreciated.