Tz XL transducer issues

[reelscreamercharters]

Have a new package consisting of (2) 13 TzX have a dff3d system with 165T/265LH-PM488 and 455T-TM903. I can only get my multi beam transducer to work. Any ideas what I need to double check?

 

[Johnny Electron]

Do you have a simple block wiring diagram of how you have put it together?