Has anyone had an issue with losing the Tv and Radio signal when the passenger door is opened? Whenever the door is open I just get a crackle and it returns to the programme when the door is closed. Seams really bizarre to me that a door can do this. 2019 5.0 SC SVA (Current)
2012 5.0 SC AB. Sadly written off by a campervan
23 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Sounds like you have a loose earth, might be worth checking the earth points behind the kick panel 2008 G4 RRSport TDV8 current
2009 TDCi 90 current
2018 Discovery 5 HSE lux current
1994 Dakar current

Mine does the same, I always presumed it was meant to do it as some sort of safety feature.

Mine does the same from the day I bought it