Long story short. Wrecked 98 f150 4.6 motor and transmission good. Bought 97 f150 5.4 motor bad, good body. Swapped motors and transmission. Changed pcm, having problems. Need to change a few wires but can't find a diagram for the 97. Found a wiring diagram for the 98 pcm. Any help would be appreciated.
Slots on 97 pcm that's not used.
4,5,7,8,10,17,18,19,23,24
28,31,32,38,42,43,44
59,63,68,69,70,76
82,84,86,102

 

If you use the 97 transmission, it should run on the 97 PCM. I'm thinking the 97 had a E4OD and the 98 a 4R70W.