A-500 transmission OD and LU controls.

LOL!! I did not know you were supposed to have OD before lockup. I "modded" the trans in the White Whale III (00 Dodge 2500) which evidently had a sensor problem, still don't know. It would not activate manually without the computer having some resistance to emulate the solenoids. So I just wired two old junk relays to the ECU so it "thinks" it is switching the solenoids

Been a couple of times I've rolled up to a light and took a second to figure why the engine quit!!! LOL