yes there is a break ground wire, but it doesnt need to be hooked up at all. and has nothing to do with the cd player working. to me it sounds like the cd player is bad. i have the 9311ts.
Originally posted by Cr@sh:
There's a safety wire that usually goes to ground on your parking brake, so you can't watch while driving, all you have to do is run it to ground. Double check your install manual.