$49.00
In stock
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 people upgrading from MS3Pro Evo with no other changes needed, or from MS3Pro Gen1 (which requires only a few changes to wiring on the white/grey connectors)
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Is the center connector required to run MS3Pro ULTIMATE?
No, but why leave nearly half of your available inputs and outputs on the table? At MINIMUM, pin #23 of the MS3Pro ULTIMATE must be connected to 12V+ battery power. See pinout for I/O possibilities with the center harness.
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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Making your own harness? This plug and pin kit features the MS3Pro AMPSEAL white & gray connectors plus 75 pins- more than enough for making your own MS3Pro EVO or 1st Gen harness.MS3Pro ULTIMATE 3-connector AMPSEAL Kit available here
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MegaSquirt Wiring Harness - 24 inches longCompletely redesigned version adds more features to help make your installation as easy and reliable as possible. We've now brought the improvements from the long harness over to the pigtail harness. This min...
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Wire - Twin Core Shielded 22 Gauge - 10'Shielded twin core 22 gauge wire helps cut out interference -- Perfect for Tach/Ignition Signal! This temperature resistant wire has two separate 22 gauge wires in the shield, making it perfect for variable relu...
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Use this giant 22 Position Weather Pack connector to run wires through a firewall or as a quick disconnect for your engine harness, or other components that need a lot of wires.Includes:(1) 22 position male and female connector (13) 20-18 gauge m...
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This is the 937GME-ND metalized plastic backshell cover included in our basic Megasquirt kits. It's not the same as the massive AMP metal cover used on our harnesses (that's sold on its own under wiring components), but it is cheap and effective if you're...
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1 review for MS3Pro ULTIMATE Center Harness