MS3Pro EVO Complete 8′ Flying Lead Harness Only (White & Gray connectors with 8′ pigtails) arrives with color-coded, printed wires per the pinout below.
Important Note: The original USB2920 was discontinued by its manufacturer. We are now providing an updated part, but we are continuing using the same part number to make it easy for you to find. This FTDI chipset USB to Serial Adapter has been tested...Add to cart
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...Add to cart
MegaSquirt Wiring Bundle - 23" Long Perfect for creating your harness adapter (perhaps using a DIYBOB along with this) or for tying into your stock wiring harness! 23" TXL wire, color coded with labeling printed on the wire every 3 inches -- no ...Add to cart
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 Ge...Add to cart
Planning to make your own ULTIMATE harness? This plug and pin kit features the MS3Pro ULTIMATE AMPSEAL white, black & gray connectors, plus 100 pins- more than enough for making your own! (EVO/ 1st Gen 2-connector AMPSEAL Kit sold separately)Add to cart