Installed Comm and GPS antennas. Installed D-Sub for the gps to connect to the network system Control Stick PTT, spliced the two grounds into one for the D-Sub. After the spliced used shrink wrap and installed the D-Sub. All plugged into the ACM Temporarily installed the pilot side headset jacks Hooked up all the network harnesses creating a huge mess that will be cleaned up and secured with service loops.