Just get a headphone jack plug with a Y on the back with 2 RC connectors. Plug into the Headphone jack on the TV. and then take the 4 screws loose on the CD player. Pull it straight out. there are 2 aux input jacks on top of the unit. Plug the RC connectors into that. Remount it back into the hole
Turn on the CD player. At the bottom of the unit there are several buttons. One will say CD, One will say radio, and one will say AUX. Press that one. Then select the speaker location you need. Inside, out side, or both.
It could be possible you have the outside only speaker on, and you just can't hear it inside.
