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MS3Pro Accessories

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Additional harnesses, sensors, connectors and other components for use with MS3Pro.

Showing 1–16 of 21 results

  • AXM-100 High Voltage Tach Adapter

    $65.00

    Many older tachometers trigger off the negative terminal of the ignition coil.  Often, these use a filtering circuit which will not trigger when given a 0 to 12 volt square wave signal, such as the tach output signal from an ECU or ignition box. If you h...

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  • Sealed resistor – 10K

    $4.50

    We've wrapped a 10K, 1/4 watt resistor in a sealed and strain-relieved package for underhood use. Red heat shrink tubing with yellow leads. Typically used as a shunt resistor with VR sensors.

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  • Sealed resistor – 1K

    $4.50

    We've wrapped a 1K, 1/4 watt resistor in a sealed and strain-relieved package for underhood use. Blue heat shrink tubing with blue leads. Suggested uses include a pull-up resistor for Hall effect and optical sensors, and pull ups for VSS or other 0-12 vol...

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  • MS3Pro ULTIMATE Wiring Harness – Universal Flying Lead

    $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 (Black) Harness Only

    $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, intended for p...

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  • MS3Pro EVO Wiring Harness – Universal Flying Lead

    $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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  • 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 EVO 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 EVO harness.  (or Gen1 if you wish) Download AMPSEAL Assembly Instructions

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  • USB to Serial Adapter – Trouble Free!!

    4.7142857142857 out of 5
    $22.50

    This USB to Serial Adapter has been tested and works properly with all of our ECU products and all versions of TunerStudio on a wide range of operating systems. This is probably the most common item we see people come back for after a purchase, so we high...

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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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  • Electronic Boost Control (EBC) 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, & MSPNP2 can drive this direct...

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