hi all looking for pointers doing an engine change putting 99 svt /st200 engine in 99 cougar both duel fuel type got engine harness and pcm XS7V THAW and key chips from the st main problem is wiring ie ecu pinout and the main 42 pin block connector wots the same wots different ? any help would be nice! ho and may the great god of speed smile apon thee and all your chariots!