Please help.... I am desperate.... I have a 1986 ford b700 detroit diesel 8.2 and for the life of me I cant figure out why the emergency break buzzer wont shut off....... The parking break buzzer works just fine but the emergency break buzzer stays on all the time.... I need help a.s.a.p. as we are suposed to leave on family vacation tomorrow and just cant figure it out..... Breaks work just fine... Drives just fine just wont stop buzzing.