How can i find out if my car player work or not because i done tryed hooking up 2 cd players and none wont?

Question

i checked the fuse its good. i even tryed hooking up a equlizer. how do you check if the ground wire is good i had a jvc working then it just stoping working. i have a 1989 ford thunderbird 3.8 v6.

Answer 1

have you hooked the red wire( ignition wire)..if not that too have to be connected

the yellow wire is for battery +ve terminal

black - -ve ground

red- ignition wire

the unit will work if hooked up properly, if not then use a multimeter to check there is power supply in the wire , if still not get the unit checked.