I think you may have 2 separate problems.Splicing an overdrive unit shouldn't cause a cranking problem.The O/D ckt is only energized after the engine is running & the thermo sw has closed(the engine has to be hot)Here is a link for down loadable service manual. Hope it helps. http://www.mitsubishilinks.com/

Va_Stumpy
89 Raider
"Never judge horsepower by exhaust"
3.0
automatic
stock as a rock
Dual Bouncy Seats