I thought maybe it went where the 5 amp fuse is. That is for power windows and I don't have power window or locks. I don't know why there is even a 5 amp fuse in there????? As far as I can tell everything works that I have checked so far. The only thing, I believe, that I have not checked is the AC. I guess I will hang onto it. Maybe a spot will show up for it. I do appreciate all of the help from the forum and if any one else has any thoughts please chime in.