What is this box for?

612932

{"text":"I was looking at my windshield washer reservoir today (behind side running lites under drivers door) and I saw a box with 2 or 3 sets of wires going into it. I would like to know what its for in case of future problems. Here is a poor pic. Truck is an 04 LowMax. ","pics":"[{\"description\":\"\",\"height\":56.0,\"name\":\"612932/ios_15483063299450.png\",\"url\":\"\",\"width\":100.0}]","canComment":true}