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MS3Pro Accessories

EPA, CARB, Race Use Only Disclaimer
Additional harnesses, sensors, connectors and other components for use with MS3Pro.

Showing 1–16 of 17 results

  • MS3Pro ULTIMATE Complete Universal Flying Lead Harness

    $299.00

    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.

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  • MS3Pro ULTIMATE Center Harness

    $49.00

    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

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  • MS3Pro EVO Complete Universal Flying Lead Harness

    $249.00

    MS3Pro EVO Complete 8' Flying Lead Harness Only (White & Gray connectors with 8' pigtails) arrives with color-coded, printed wires per the pinout below. All applications.

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  • AMPEFI Transmission Controller with 4L80E Subharness

    $499.00

    4L80E Plug and Play Transmission Control  Seamlessly control your 4L80E transmission with AMPEFI Transmission Control! The supplied 4L80E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop on ha...

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  • AMPEFI Transmission Controller with 4L60E Subharness

    $499.00

    AMPEFI 4L60E Plug and Play Transmission Control Seamlessly control your 4L60E transmission with AMPEFI Transmission Control! The supplied 4L60E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop ...

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  • MS3Pro 8ft Wiring Harness

    $249.00

    MS3Pro 1st Gen Harness is discontinued and superseded by MS3Pro EVO. 8 foot (2.4 m) flying lead type harness for the MS3Pro. It has the MS3Pro's AMPSEAL connectors on one end and the other end is unterminated for installing your own connectors. This ha...

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  • 4 Pin M12 Serial Cable

    $29.99

    Optional, connect MS3Pro ULTIMATE directly to your laptop with this 4 pin M12 serial cable.

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  • MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE & EVO)

    $22.00

    If you have a previously installed MS3Pro harness (1st Gen) and want to change to an MS3Pro ULTIMATE or EVO ECU, the upgrade path is simple.  However, complete functionality will require a few basic changes to your 1st Gen harness. Our wiring upgrade ki...

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  • MS3Pro Uncrimped AMPSEAL Connectors

    $60.00

    Making your own harness? This plug and pin kit features the MS3-Pro AMPSEAL connectors plus 75 pins (so you'll have a couple extras) for making your own MS3-Pro harness. Download AMPSEAL Assembly Instructions

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  • USB to Serial Adapter – Works with TunerStudio!

    4.7142857142857 out of 5
    $22.50

    This USB to Serial Adapter has been tested and works properly with all versions of TunerStudio.  We highly recommend this adapter is used if your tuning PC/laptop doesn't have a DB9 Serial connector.  Or you can use another adapter with a genuine FTDI c...

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  • MicroSquirt Engine Management System with 8′ Wiring Harness

    5 out of 5
    $388.00

    MicroSquirt Engine Management System with 8' Wiring Harness Version 3.0 The versatile MicroSquirt: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module Microsquirt is our entry-level fully assembled ECU with vari...

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  • MicroSquirt Engine Management System with 30″ Wiring Harness

    5 out of 5
    $360.00

    MicroSquirt Engine Management System with 30" Wiring Harness Version 3.0 The versatile MicroSquirt: Standalone Engine Management System, Transmission Controller or CAN I/O Expansion Module Microsquirt is our entry-level fully assembled ECU with var...

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  • MicroSquirt Engine Management System – ECU only

    $314.00

    MicroSquirt Engine Management System Version 3.0 ECU Only - no harness The versatile MicroSquirt Engine Management System, Transmission Controller or CAN I/O Expansion Module  is our entry-level fully assembled ECU with varied applications targ...

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  • EBC Electronic Boost Control Solenoid Kit

    $58.00

    This electronic boost control solenoid can be used with the MS3-Pro/MSPNP2 or with other electronic boost controllers to control boost by adjusting the pressure to a turbo wastegate. The MS3-Pro, MS3-Pro Plug and Play, & MSPNP2can drive this directl...

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  • Replacement MS3Pro Fuse

    $2.00

    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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  • HSD-4 High Side Driver with 4 channels

    $79.00

    Have an application with a lot of small solenoids that need 12V power and rapid switching? Don't want the expense of a bank of four separate solid state relays, each rated for five times the current each solenoid needs? This module lets you run up to four...

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