today i dissconected the negative battery terminal and found three wires that were grounded to the cars chasis under the hood.i removed the bolts and cleaned the female connections as well as the surroundng areas. i put everything back started the car and the check engine light disapeared.Now i have another problem i no longer have access to my sattelite radio channels .Everything is am or fm in every a,b,c, catergory

any suggestions??????????????