Haltech Platinum PRO Plug-in ECU Nissan Z32 Fairlady 300ZXDescription If you are after a simple plug and play option and your car still has its original engine and wiring in it, a Plug in ECU is the easiest and quickest solution. You simply unplug the factory ECU, and plug the Haltech ECU directly into the factory harness. Load your base map and you're ready to go! Direct plug and play replacement of the OEM ECU, no re wiring necessary. Uses the cars factory sensors Supports R32 GT R twin MAF sensors