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MS3Pro Accessories

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

EPA, CARB & Emissions Disclaimer- All ECU's are for race purposes only. It's your responsibility to remain in compliance with all federal, state, provincial, or other laws that apply to you.

Showing 1–16 of 20 results

  • MS3Pro Mini Wiring Harness Upgrade (Microsquirt to Mini)

    $19.99

    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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  • BMW E30 Camshaft Sensor Kit

    $159.00

    PLUG'N'PLAY BMW E30 Camshaft Sensor Kit Have you noticed that our new E30 MSPNPPro includes both SIX discrete injector outputs and SIX discrete ignition outputs on its rear auxiliary connector? It's all ready to run your engine sequentially, just as soon...

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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 hall sensor style signal.  The AXM-120 VR conditioner works with camshaft position, crankshaft position, vehicle speed, or similar sen...

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  • AXM-110 High Voltage Isolator

    $68.99

    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-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 Module F1/F2 Replacement Fuse

    $3.00

    The MS3Pro ECU’s feature 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 then push in the replacement fuse by hand. This is the 100...

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  • MS3Pro Ultimate F4/F6 Replacement Fuse

    5 out of 5
    $2.50

    The MS3Pro ECU’s feature 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 then push in the replacement fuse by hand. This is the 375...

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  • MS3Pro Ultimate & EVO F5 Replacement Fuse

    $3.00

    The MS3Pro ECU’s feature 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 then push in the replacement fuse by hand. This is the 6000m...

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  • MS3Pro Gen1 F1/F2 & MS3Pro EVO F4 Replacement Fuse

    5 out of 5
    $2.25

    The MS3Pro ECU’s feature 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 then push in the replacement fuse by hand. These 500mA fus...

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  • MS3Pro EVO Wiring Harness – Universal Flying Lead

    5 out of 5
    $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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  • MS3Pro ULTIMATE Wiring Harness – Universal Flying Lead

    $349.00

    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

    5 out of 5
    $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 Uncrimped AMPSEAL Connectors

    $64.99

    Making your own harness? This plug and pin kit features the MS3Pro AMPSEAL white & gray connectors plus 75 pins- more than enough for making your own MS3Pro EVO or 1st Gen harness. MS3Pro ULTIMATE 3-connector AMPSEAL Kit available here

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  • MS3Pro ULTIMATE Uncrimped AMPSEAL Connectors

    $89.99

    Planning to make your own ULTIMATE harness? This plug and pin kit features the MS3Pro ULTIMATE AMPSEAL white, black & gray connectors, plus 100 pins- more than enough for making your own! (EVO/ 1st Gen 2-connector AMPSEAL Kit sold separately)

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

    $23.99

    If you have a previously installed MS3Pro harness (1st Gen flying lead or LS Drop On Harness) and want to upgrade to MS3Pro EVO or ULTIMATE ECU, the upgrade path is simple.  However, complete functionality will require a few basic changes to your 1st Ge...

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  • USB to Serial Adapter – Trouble Free!!

    4.8 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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