As many have said the A/C runs on 120V but the relay (Clicker) on 12v
I will say again. Happened to me.. Turnes out I had a few screws loose. The screws that clamp the wires in the breaker box.. I tightened.
Many RVers have a few screws loose it seems.. And those are the very screws I am speaking of.
Went into a store yesterday and someone ask if they could help "I need to go nuts" "Well that's all over" "This kind (Holding up a 1/2 inch grade bolt 1 1/2 inch long fine thread) And he told me were they would be if the store had em.
Today I went to a different store.. I now have em