I bought this transmitter:
https://www.hobbyking.com/hobbyking/store/__22394__SkyZone_5_8G_500mW_8_Channel_AV_Transmitter_FPV.html
To use with the skyzone goggles and GoPro3. I have a few cables but can't figure out how it's supposed to be wired. The diagram on the packaging shows 3 inputs...