I have a 1997 Dodge Caravan SE, My fan is not longer working causing the van to over heat, Somethimes when i iget in it and put the key in it will start then shutt off, then i notice that their is not digital tripometer and showing shifting for park to drive but when the digital instruments are showing they van strarts. Can someone please help me i think it has something to do with the alarm but i could be wrong.