Hello, the shift cable should work, and to convert it to FWD all you need to do is remove the rear driveshaft. These are basically front wheel drive all the time, with the rear only engaging when the front wheels spin faster than the rear, that is done through a viscous coupler in the rear end. If you take the driveshaft out it won't know the difference.
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The transmission is essentially the same for both fwd and awd, it just has the take-off for the rear driveshaft in the awd.
For removal of the driveshaft, there are 4 bolts on each end to remove, and 2 bolts on the center support bearing, it's pretty simple once you get under there and look at it, there's really nothing for you to screw up.
As long as the cable will reach it'll be fine. Now, I'm not sure I can send you easy instructions, but here are the instructions from the service manual.
You're welcome, good luck!