I have a Winegard Batwing antenna that does not receive TV signals. I have checked the amplifier and it is working, I also tried a brand new coax but still do not receive a signal. I have ordered a new head and hope that solves the problem. I do however have a question about one additional component. There is a plastic box about 1-1/2'" square that is mounted to one of the arms on the antenna. It has a cable coming through the roof and going into the box. I removed the 4 screws holding the cover and inside is a small can (electronic device, maybe a resistor or capacitor soldered too a small board).
My motorhome is a 2001 GBM Cruisemaster so I assume the antenna assembly is
original. When I look up parts list for newer versions there is no mention of this device, Can anyone tell me what this is and what it does?
Thank,
WM