You could Google the manufacturer of the transmission -- they might have drawings of the transmission. You could get a catalog from Four Wheel Drive Hardware -- they have exploded drawings of all Jeep transmissions in the back.

Were it me, I'd just crawl under the vehicle with a flashlight and use my hand and find out where the plugs were.

1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.