$23.99
If you have a previously installed MS3Pro harness (1st Gen flying lead or LS Drop On Harness) and want to upgrade to MS3Pro EVO or ULTIMATE ECU, the upgrade path is simple. However, complete functionality will require a few basic changes to your 1st Gen harness. Our wiring upgrade kit contains the 8 pre-pinned, color-matched wire leads to make your conversion a snap!
*NOTE- For LS Drop On Harnesses, WHITE CONNECTOR pins 15 & 27 are NOT POPULATED.
Enhance your 90-93 Mazda 'NA6' Miata with the MS3Pro Plug & Play ECU – a fully standalone, plug-and-play engine management solution designed for easy installation and maximum performance. This ECU is the ultimate choice for serious racers seeking ...
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Planning to make your own ECU harness? This plug and pin kit includes everything you need to get started with a custom MS3Pro wiring setup. Key Features: Compatible with MS3Pro EVO+ MS3Pro EVO+ HC MS3Pro Ultimate ...
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Enhance your 96-97 Mazda 'NA8' Miata with the MS3Pro Plug & Play ECU – a fully standalone, plug-and-play engine management solution designed for easy installation and maximum performance. This ECU is the ultimate choice for serious racers seeking ...
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The MS3Pro EVO+ HC (High Current) by AMP|EFI represents the latest in next-generation engine management, delivering a powerful suite of tuning and control features for high-performance applications. Built on the proven MS3Pro platform, the EVO+ HC is equ...
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MS3Pro ULTIMATE adds nearly 50% more I/O with the addition of a third AMPSEAL 23-pin, 8' flying lead. Harness arrives with color-coded, printed wires per the pinout below (black center connector) ***Center Harness ONLY in this listing, intended for p...
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The MS3Pro ECU’s feature user-replaceable fuses that protect against voltage spikes and other abuse. To replace these fuses, use a needle nose pliers to pull the fuse out of its holder, and then push in the replacement fuse by hand. These 500mA fus...
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