get through inspection an? d after i hooked it up my cd player aways has power, also when i hit the brake my instrument panel lights up and the parking brakes go off and my turn signal messed up to after the i put the horn on cause when i have the turn signal on with out me hitting the brakes ther flash very rapidly but when i hit the brake they flash fine and if i have the headlights on they wont flash at all they'll just stay on. I dont have a clue whats goning on with the electrical system but can someone please give me answers to my problem. I have a 1991 s-10 Blazer 4.3l v6