Most ECU Engine Computers manufactured after 1997 require FACTORY ONLY diagnostic equipment in order to reprogram VIN#, Immobilizer, & Key Fobs. This programming is required for the vehicle to start. Coding parameters are specific to vehicle options and may need to be recoded to function. We do not accept claims of "This item does not work" without the following. Invoice / Repair Order from licensed professional for diagnosis that states there to be a failure of your original module, must include fault codes in OEM or STD (PXXX) format.Diagnostic equipment used to diagnose, read and clear faults, program module. Anti Tamper Devices - Security Paint Markings. For security purposes our parts are marked with paint and installed with anti tamper devices. The part you receive may have different marking paint than what is shown in the photo. You will receive the correct part number you have ordered. All of our electronic parts are disassembled, inspected, marked with security paint and reassembled with anti tamper devices inside and outside the part. (unless our store is showing vacation mode). Mile High Parts is not affiliated with any automobile manufacturers. The item "98 99 Mitsubishi Eclipse GST GSX Talon Engine Computer Black Box ECU ECM 4G63" is in sale since Friday, December 8, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Computer, Chip, Cruise Control\Engine Computers". The seller is "milehighparts-nv" and is located in Minden, Nevada. This item can be shipped to United States.