$299.00
In stock
MS3Pro ULTIMATE Complete 8′ Flying Lead Harness Only (White-Black-Gray connectors with 8′ pigtails) arrives with color-coded, printed wires per the pinout below.
All applications.
MS3Pro ECU Comparison (1st Gen – EVO – ULTIMATE)
My race car is already wired for 1st Gen MS3Pro, can I upgrade to EVO or ULTIMATE?
Yes. The pinout is slightly different, so you will need MS3Pro 1st Gen Wiring Harness Upgrade (for EVO / ULTIMATE)
The MS3Pro features 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 you can push the replacement in with your fingers.Fuses sold indiv...
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High Quality 4' Relay Board cable for connecting your MegaSquirt ECU to your Relay Board.Works with MS1, MS2, or MS3, all standard main boards (includes not just the IAC and ignition pins - it also has the spare pins on 3 through 6). It has a shielded...
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These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and come with the weatherproof connector and crimp pins. Suitable for use as a coolant temperature or oil temperature sensor, and is occasionally used as an air temperature s...
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These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and come with the weatherproof connector and crimp pins. One extra crimp pin is included as a spare. The threads are 3/8" NPT pipe thread - note that isn't an actual 3/8" o...
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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 ...
Add to cart The MS3Pro features 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 you can push the replacement in with your fingers.Fuses sold indiv...
Add to cart
