Cadillac Repair: electrical problems, nikiski alaska, cadillac eldarado

Question
hi. my names terry, I have a 84 Cadillac eldarado and what a big electrical problem am having.. it started out fine, intill the heater stoped working, but it would turn on when it wanted to work,then it whent to my radio. i manualy have to turn it on and ajust the setings right to hear the radio.. and my brake lights stay on when i put on my lights, i found the only way is to put it in first, then to park, then into drive.. haha kinda messed up right? well thank you for your time and i hope i hear back from ya soon..

terry stewart
Nikiski,Alaska
12/27/09  

Answer
What is the problem with the heater ?.

What is the problem with the radio ?.

This statement I do NOT understand: and my brake lights stay on when i put on my lights, i found
                                   the only way is to put it in first, then to park, then into
                                   drive..