I would try running a power cord from the house and plug into that then move TV around if it still flashes I would think it's the TV and not something in the camper power, also try unplugging the video cables one at a time and move TV around. Good camping Rand
This website is not affiliated with or endorsed by the Airstream, Inc. or any of its affiliates. Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.