Wiring is quite involved, I'll give a full write up once I'm sure it'll work. Basically I still have both ECUs The P5 one controls everything besides the engine and fuel pump. The KL one just controls the engine.
As for power steering, the high pressure line bolts right into the pump, and for the return line, I took the suction pipe off of both pumps, and braised them together so that it bolts to the kl pump with the smaller P5 return.
Stock cross member, stock half shafts, Mx3 Jack shaft (the one that bolts to the block for the passenger side)
One thing to note is the clearance between the frame rail and the power steering pulley is very very tight. I'm considering pulling the engine and bashing it in with a maul. You might want to do this. I'll take a pick of the suspect area if you're interested.
Thanks for all of the info. I was mainly concerned about the power steering pressure line as I know I can splice the return line no problem. I was going to try to run just the 626 ECU, which I still might do. The wiring sounds like a bit of a hassle though.
Good progress and thanks again for the help. I was hoping to get to this swap first but you beat me to it.

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