Received the host today, very very nice. Only wish it had a black wire inside the head end too, but I made due by jamming the end of the black wire coming from the DTR module between the inside of the aluminum hosts head end where the 12mm module inserted and the body of the module itself. Although the module can't recess all the way in that way, there is enough heat sinking, I will have to fix it to be right later so it will recess all the way in, once I find a better way to ground the black or negative wire from the diode module to the case