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MS3Pro Ultimate ECU Wiring Harness
MS3Pro Ultimate ECU Wiring Harness
AMP EFI MS3Pro Ultimate Black Center Harness Flying Lead
Serial Cable
MS3Pro ULTIMATE ECU with Universal Wire Harness

MS3Pro ULTIMATE Wiring Harness – Universal Flying Lead




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.

Ultimate Wiring Pinout


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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)

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