518 short shifts and no od

11.2 said

yes it is a two pin connector, it short shifts even with 3/4 pedal, the only way it won't is if i hold in first and wot wich would be fine but i hate the way it will shift under light throttle even if i'm in manual low.
i have 12v going to one wire and a toggle switch breaking the ground on the other wire.

how much range should my cable have? when it is set so that it barely comes tight at wot it has some play at idle.
thanks guys for your help here .

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OD wiring sounds ok. On the throttle pressure adjustment, are you saying that when at WOT the cable is pulled all the way, then when the throttle is at idle there's some slack in it? If so that sounds ok too. One mistake I see some guys make when installing a shift kit is they install the sleeve on the throttle valve backwards. It'll fit either way but if you put it on backwards it holds the valve in about 1/2 way even at idle. That causes late upshifts. I haven't seen it happen on a 518 but it's possible because the throttle valve is the same design and I imagine on a 518 it'd also cause it to not want to go into OD.