Hello, Dave
If you don't even get WGTA or WHNS, something is really wrong. You will have to narrow it down to which part of your system has gone bad by the substitution of known good parts one-by-one. It could be the antenna, balun/CB8269 PCB, the preamp, coax, power inserter, or TREES.
Do you get WGTA if you connect the coax directly to the antenna, bypassing the preamp and power inserter?
How To Troubleshoot a Winegard Antenna Cartridge Housing
https://www.youtube.com/watch?v=TlQk...ule1MX8jCAfvPQ