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)
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.
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MegaSquirt MS3X Wiring Bundle - Length = 8'
8' of TXL High temp automotive grade wire.
Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here!
Use with MS3X Expansion board or other sequential device
Just ...
Metal DB37 Cover with Hardware and Gaskets
This Metal DB37 cover is perfect for building up your own Megasquirt wiring harness or relay cable connector.
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.
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 ...
If you have a previously installed Microsquirt harness and want to upgrade to MS3Pro Mini, the upgrade path is simple. However, complete functionality will require a few basic changes to your Microsquirt Harness. Our wiring upgrade kit contains the 7 ...
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