A short in the wires.
a picture of the radio would be helpful
the steering wheel..
Its going bad.
Bad fuse
A whistling noise indicates a vacuum leak.
play in the drive train
Would this cause the car not to start If the EGR VALVE is bad
you might wanna chage the plugs and wires. what other symptoms does the car have. i am having the same problem in my 2003 pontiac grand prix gt
water temp sensor wire grounding out could cause this problem.
blown head gasket
Typically, a bad or "going bad" alternator.
bad eletrical system ground wire some where!