I have a 1988 420 sel once I get it up to 50mph it starts to shake alot in the front end then it goes away at around 60 also when i hit the brakes it tends to shake..any help please....also My blower motor does not turn on I hae checked the motor out ok but there is no Power getting to it the fuses are all ok too>>>i was thinking about removing the air climate control to see if something came loose.how do I remove the wood panel on the center dash above radio?? Thank again