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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 24 results

  • AXM-110 High Voltage Isolator

    $65.00

    This module protects your engine or transmission controller from high voltage spikes being fed in through digital inputs. The AXM-110 module can take 1,500 volts peak and 33.5 volts continuous. Common uses for the AXM-110 high voltage isolator include: ...

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  • AXM-120 VR conditioner

    $70.00

    Use this module to convert the sine wave signal from a VR (variable reluctor) signal into an easy to handle square wave.  The AXM-120 VR conditioner works with camshaft position, crankshaft position, vehicle speed, or similar sensors. Common uses for thi...

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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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  • AMP’d MicroSquirt

    $339.99$409.99

      This is the latest version of the MicroSquirt, only from AMP EFI and our dealers! The AMP'd MicroSquirt adds higher current capacity injector drivers, higher current capacity on its optioisolated input, and 4 user configurable option switche...

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  • 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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  • MS3Pro ULTIMATE Wiring Harness – Universal Flying Lead

    $349.99

    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

    $59.00

    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

    $299.00

    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

    $499.99

    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

    $499.99

    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)

    $23.99

    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

    $64.99

    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!!

    4.75 out of 5
    $28.99

    This FTDI chipset 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 purch...

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  • MicroSquirt Engine Management System with 8′ Wiring Harness

    5 out of 5
    $388.00

    Please note -- due to parts shortages, Microsquirt 8' harnesses are unable to ship until beginning of May 2021.  We are very sorry for the delay! MicroSquirt Engine Management System with 8' Wiring Harness Version 3.0 The versatile MicroSquirt: Stan...

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