yes just lob the end off and use the correct wire you are almost there, nothing to lose if you plan sending it away.
yeah true i suppose mate, i took box round to friends yesterday to double check everything with his multimeter aswell as had bit of trouble with first multimeter i used, got another and got different results as thought mine was playing up, so tested with another friends yesterday, chargers at his aswell but im gona go pick it up at half6ish tonight, so may aswell have a little bit more of a mess, so i lob the end off how do i find out which wire to use ?