Drivers side, left of the factory serial tag on the tranny, there is a 4 or 5 pin ( I think ) that has a moveable round shell to secure it similar to an air zirk. I, nor my Allison dealer can find the part number on the schematics. It is pretty much gone and could allow the connector to come unplugged. It appears to be aluminum. Do any of you have a part number or...