The lightning may have fried the amplifier, even though it was off, so that no signal can pass through. Get a female to female coax adapter, remove the cables from the amplifier and connect the input to the output using the adapter and see if the TVs will work then.
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2013 Silverado 2500HD LTZ CC 6.6L Duramax Diesel
2023 Rockwood 2445WS
Buster, miniature Dachshund
2023: 9 trips, 48 nights in 12 states, 2 provinces, 8120 miles
2022: 3 trips, 18 nights in 4 states, 2352 miles
2019: 7 trips, 43 nights in 6 states, 5336 miles
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