It can happen. That's why it's best to always have your radio inspected / serviced by a profesional before installing in the car .

Greg

Wards Classic Car Radio Repair Specializing in restoration and sales of Mopar A B E body radios
We can restore YOUR radio usually in less than 14 days
Visit our NEW website..
http://www.wardsclassiccarradiorepair.com
gregward@mchsi.com
phone 256-852-0955