G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.  
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below. 

Designed for the Pre-Facelift MX5 NB (MY1998-2000, 3 Plug ECU, non-VVT 1.8L Engine)

• Please check your connector matches the header in the listed photo before purchasing.  
• This ECU works for manual transmissions only.  
• Includes onboard 7 bar MAP sensor 
• Most factory features are supported 
• Check the features tab for I/O expansion options 

Note: This Plug-in features a new 4 pin powered CAN connector and cannot use the old CANPCB cable for CAN connection. Use the CANJST4 (Link PN 101-0198) cable for connecting CAN devices. This new 4 pin port and cable provide not only the CAN connection, but also a protected 12V power supply and ground for powering the CAN devices. The power supply is protected by a self-resetting fuse rated at 3A continuous.