This short cable is just right to connected your Smartycam HD to your Solo 2 DL when using the Track Day Mount. Going from the Solo 2 DL to the camera, it will not need any extra coiling, attaching,...
This cable is only for the SCHD GP 2.2. It is a CAN high/low, power, ground, and 3.5mm microphone jack cable that plugs into the ECU 7 pin port on the recording module.
This cable lets you add a external mic to your SCHD audio. We've had customers use it for microphones near the exhaust, radio communications, and one even has a full mixer in his car!