You guys have been great on answering alot of my questions, so here's another one for you. I have the large Hella 4000 on the front of my rig. Recently the have stopped working completely, although I have power going to my switch (illuminates when turned on) but no lights not even one side. Looked everywhere for the fuse unsure if they are fused to my panel or are they independent? Also looked at the wiring, its all in tact, I went to the extent of ordering new relays, but have not received them in the mail. I spoke with a gentleman at Offroad Warehouse and he said something to the fact that if you have a battery issue that its possible you are not powering up the ballast to illuminate them ( possible problem being that my 4D battery is completely dead) also said it could be a relay. So I guess what I'm asking is if a single relay is out do they both not work or is there a fuse that I have not found that could be bad? Any advise or input is helpful.