Just for anyone's information
The pinout wiring diagram for the plug is as follows
1 yellow – Temp
2 Red. – +ve
3 Green – Shield temp.gnd
4 Black. – -ve
5 Blue. – sonar +ve
6 Black. – sonar -ve
Same colours as in the photo but the plug numbers need to be mirrored.
1 and 2 on the right hand side
4 and 5 on the left hand side as seen in second image.
Posted by crispy_1698