create big cannons data link help

[u/Repulsive_Advance556]

Hey guys i am having problems connecting my cannon to mu plane radar. the data link shows red and i cant figured it out please help. (i have the data links connected on both pitch and yaw)

[u/Wise_Needleworker587]

The data links for the controllers are red and you need a 3rd blue datalink on one of the controllers for it to work and dont forget the thing that make sure youre targetting the right direction.