EFI Harness
Here's the address if the link didnt work:
[ http://cgi.ebay.com/ebaymotors/Nissan-300ZX-1990-1993- ]EFI-Wiring-Harness_W0QQitemZ250533689273QQcmdZViewItemQQptZMotors_Car_Truck_Parts_Accessories?hash=item3a54f8b7b9#ht_500wt_1182