As Zane said, do not cut any wires .......if they are the rca cables, however I think what you meant to ask (correct me if I am wrong, is can you splice the power, ground and remote wire from the same wires that run to the amp.....the answer is yes. Most people choose not to do it because it can be sloppy sometimes, but it can be done. use ring terminals when you can and be sure none of your connections come loose. Sometimes certain decks have a problem supporting the amperage needed over the remote turn on wire when several pieces of equipment are run off one wire. If this is the case you will have to find an alternate switched source to run power to some of the equipment or sometimes a relay will do the job......Also like Zane said tunning is the tedious part. That is a whole 'nother can of worms .....If you have any more questions just ask us.......everyone here is always happy to help!!