while driving my 2001 pontiac firebird convertible,after awhile the radio will

you may need to drive your car mom lol

sounds like a loose grd circuit under dash or bcm issue seek diag

if you havn't gotten an answer now its most likely your BCM which is located under your glove box. Mine did the same thing they don't do a good job of soldering over time it loosens and you have to resolder it. I thought I was buying a good car. $37,000 brand new TRans am WS6 more problems than I have ever had with a car. POS