Front/Rear speaker feed question

I have two older stereo am/fm cassette radios I used in cars I had and they are almost new. I thought about hooking one up for use in the garage and wonder if I only use the front speaker wires.....what should you do with the rear wires as they'll be trying to run a signal to rear speakers which I won't be using.
Tie together?
Run through some type resistor? If so what value?

Thanks in advance...:naughty:

cut them until there is no exposed copper, then tape them up. If there is no load it just won't be pulling exta power from the headunits amp.

Don't tie them together. The head units amp won't take that for very long.
Cut them off/ tape them up as suggested.

Agree with the cutting and taping of the unused wires, I prefer using that heat shrink tubing with the adhesive lining, once that cools it's pretty much permanent.

I also recommend setting the fader control to the front position, that will cut all audio signals to the rear channel amp inputs, making the rear amps totally idle at any volume level.

Other than acting as an extra heat sink for the front channels :p