Connector 7 (CN7), 2-Pin (FT-Temp Sensor)
This port is for FT-Temp Sensors only. FT-Temp Sensor is formally known as Thermister.
Connector 8 (CN8), 4-Pin (Pre-wired Antenna Cable)
Pin 1 Yellow - RX input. This wire receives the signal from remote.
Pin 2 White - TX output. This wire transmits the signal to remote.
Pin 3 Red – Constant 12V positive (+) output.
Pin 4 Black – Negative (-) ground.