Excuse my ignorance but are the switches that show where the heater controls should blow part of the HEVAC unit and should they be illuminated when the Rangies lights are on.:confused:

Hi..This is my first post hope some of you with a lot more knowledge of RRs can help. My fuel gauge keeps going faulty. The tank is 1/2 full but the needle keeps falling to zero and the message centre indicates "fuel gauge fault" after a few seconds it returns to the correct position for a while...