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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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  • MegaSquirt Wiring Bundle – 8′ Long

    4.2727272727273 out of 5
    $62.99

    MegaSquirt Wiring Bundle 8' TXL wire, color coded with labeling printed on the wire every 3 inches -- no paper tags here! IAC and Ignition wires are included for MS-1 / MS-2 use (or MS-3 Primary Harness use) Shielded Ignition input wire Gre...

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  • MegaSquirt MS3X Wiring Bundle – 23″

    5 out of 5
    $29.99

    MegaSquirt MS3X Wiring Bundle - Length = 23" ~23" of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! Use with MS3X Expansion board or other sequential device J...

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  • MS Harness Extra Wire Kit

    $8.99

    This 8' wire with pre-crimped terminal can be poked into our MegaSquirt DB37 harness if an extra wire is needed for additional I/O (MSHarness12, available separately).  Made of the same TXL rated automotive grade wiring as the rest of our MegaSquirt wiri...

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  • Wire – 2 Core Shielded Ignition Signal Wire 22 Gauge – 10′

    5 out of 5
    $14.00

    Wire - Twin Core Shielded 22 Gauge Wire - 10' Shielded twin core 22 gauge wire helps cut out interference -- Perfect for Tach/Ignition Signal! This temperature resistant wire has two separate 22 gauge wires in the shield, making it perfect for variable...

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  • Wire – Single Core Shielded Ignition Signal Wire 20 Gauge – 10′

    $9.50

    Wire - Single Core Shielded Ignition Wire 20 Gauge - Length = 10' Shielded single core 20 gauge wire helps cut out interference -- Perfect for Tach/Ignition Signal! This temperature resistant wire has one 20 gauge wires in the shield. Has many other us...

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  • 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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