Timdun

any one shed some light???

Hey guys I have a r33 gts-4 which im converting into a race car, can some one help me out with a wiring diagram for the 4wd system? and also i need a pin out diagram for the "ENR" ecu, i can only find ECR diagram one last question, all i need is the motor and 4wd system working i want to remove the rest of the wiring, what can go and what needs to stay?? any help would be great cheers!