SATA (serial advanced technology attachment) connects to the red cable (data cable), its not as wide comparing to the power cable that runs right next to it.
look at your power supply cables and try to find a thin and relatively wide connector to get the power to the drive
if your power supply is really crappy it might not have the power cables, in that case you will need a MOLEX adapter like shown below
Thanks again for your help I have now installed the new dvddrive but when connected inline with the original dvd drive it does not work. I have disconnected the original drive and connected the new drive and it works fine on its own, I have also connected the original dvd and disconnected the new dvd and the original works ok. I just cannot get them to work at the same time.
Any ideas Regards Pete symonds