I dunno.. ....I were just guessing about the adjuster ......Interesting thing about FoMoCo.......Their vehicles had the lowest ratio in the window regulator with manual.....I've owned Ferds that took eight /ten full turns to get the stupid window down ....And then their electric's have the higest ratio. .....I mean supersonic.!!.....You really have to watch out while working on them..... ..What the....H...