Having some trouble with the remote trigger. If im understanding correctly the wire simply needs to run from my recievers 12v trigger to the 7125's in for the trigger. Then simply by powering the pre/pro ( yamaha 5660) 0n and off will also turn the 7125 on and off. I could not get the 7125 to power on until I unplugged the wire. Any help would be apreciated.