Why did the installer put a 2-way split on my CM? 1 is open. Cable Modems and Wiring Issues| You may have been getting too MUCH signal. We do this sometimes to lower the amount of signal you are getting. Also, he may have just been trying to be nice by leaving something you can plug your TV into. Note by twisted2736: or he/she (Tech) was out of barrels. by Raydr | ||