I just change the alternator in my Volvo GL240 ,1988. i didn't buy a new Bush alternator but a genetic one from kregan's auto parts. to make the story short. When i was putting the cables back i ran in two one problem. I noticed that i had two red cables coming from the same casing, so i connected them together. Now when i connect my buttery my buttery light comes on. so i disconnected the two red wires, connected back the thickest and connected the battery back. the lite didn't go on. so now I don't know what to do with the other red wire.