I just put a new radio in my 2001 Chevrolet Suburban and cant get any music out of...

[terrence_west07]

...my factory speakers? I know that there is a module in it somewhere but dont know where it is at?

 

[mr_marco_r]

I would imagine the brands' website would give you an idea. If you still can't find out what the problem is, take it to a shop. Shouldn't cost more than $30 for them to re-install, plus if it ever messes up, they should take a look at it for free.