Ever since I have owned my truck there has been a wire cut off a harness from the battery. The wire that is cut is a pink wire and runs down to a fairly good size connector. The other wire runs down the postive battery cable towards the starter and I think it's brown. I looked at my firends truck today and his pink wire is made into the original cable connector on the battery. I have never noticed anything that does not work, what might this wire be for. Someone has cut it off and I don't want to hook it back up until I am sure where it goes and what it does. I am sure it was cut off for a reason. It looks to be about a 8-10 ga wire.