i just bought this van and realized i have no overdrive, and there in no button for it inside either like my dodge truck. i hooked up my scan tool and it is saying i have a code for my od soleniod open or shorted, i cant see where the wiring goes into the trans, do i really have od and its not working or is there some inlet of wires to the sol. pack i just dont see? thanks, this is my first post by the way, names david, i work for ford, but have a few dodges too, dodge and ford guy i guess, ha. thanks for any info ahead of time...