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Wiring Components

In this section, you’ll find our wiring harnesses, cables, and some of our more popular connectors. We have a special page with crimp-it-yourself Weather Pack connector kits – click here to see our Weather Pack items.  We’ve been updating our line of connectors recently to add hard to find and specialty connectors, so if you don’t see what you’re looking for here, we have added a new subsection of the catalog dedicated to just connectors.

Showing 17–32 of 116 results

  • MicroSquirt AMPSEAL Connector

    $35.00

    Planning to make your own MicroSquirt harness? This plug and pin kit features a 35 pin MicroSquirt connector and more than enough gold plated pins!

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

    $22.00

    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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  • RacePak CAN interface mating cable for IQ3s

    $50.00

    Product SKU: RACEPAK-IQ3S-CAN The RacePak CAN interface mating cable is perfect for extending the two CAN wires to the ECU via mated connector on the IQ3s Dash. This fits the IQ3S and IQ3D dashes only - it does not fit the base model IQ3.

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  • RacePak Universal CAN Interface Module

    From: $445.00

    The Universal CAN Interface Module for Racepak streams CAN-based data from your MS3Pro, MSPNP, MS3, MS2 or MicroSquirt ECU systems to any Racepak dash display for real time data viewing. The RacePak dash can read up to 20 data channels from the MS3-Pr...

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  • MS3Pro LS 4L80E Trans Control Subharness

    $279.00

    Harness Only.  Optional automatic transmission control using our MicroSquirt transmission controller (sold separately).  Literally, just plug in our transmission controller with the 4L80E subharness and  you’re ready to control your trans via CAN wi...

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  • MS3Pro LS 4L60E Trans Control Subharness

    $279.00

    Optional automatic transmission control using our MicroSquirt transmission controller (sold separately).  Literally, just plug in our transmission controller with the 4L60E subharness and  you’re ready to control your trans via CAN with MS3Pro!

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  • RacePak Vnet Tee Connector- 36″

    $57.00

    RacePak Vnet wiring uses a series of plug in extensions. This one has a male / female connector at one end and a female connector at the other, letting you add an extra module to your Vnet.

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  • RacePak Male Cable Vnet Terminator Cap

    $14.00

    End cap to seal off your RacePak Vnet wiring harness.

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  • RacePak Female Cable Vnet Terminator Cap

    $14.00

    End cap to seal off your RacePak Vnet wiring harness.

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  • DIYBOB Breakout Adapter – Ford 104 pin EEC-V

    $104.00

    The DIYBOB is an exclusive breakout board from DIYAutoTune.com that allows you to easily build professional adapter harnesses connecting the engine management system of your choice to a wide variety of cars.  The DIYBOB includes an OEM style connector, c...

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  • DIYBOB Breakout Adapter – Bosch 88 pin

    $94.00

    The DIYBOB is a new breakout board from DIYAutoTune.com that allows you to easily build professional looking adapter harnesses to connect the engine management of your choice to a wide variety of cars.  The DIYBOB includes an OEM style connector, circuit...

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  • MicroSquirt Wiring Harness – 8ft

    $89.00

    Included is an 8' long harness for installing the MicroSquirt on larger vehicles instead of motorcycles and ATVs. Serial cable included.

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  • MicroSquirt 30″ Pigtail Harness

    $84.00

    30" Universal harness and serial cable for MicroSquirt (sold separately).  This package includes all the wiring normally included with the Microsquirt on its own for customers who happen to need a spare or replacement harness.

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  • 24″ MegaSquirt Pigtail MS3X Harness

    $58.00

    MegaSquirt MS3X Wiring Pigtail - Length = 24" 24" of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heav...

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  • MegaSquirt Relay Cable

    $89.00

    High Quality 4' Relay Board cable for connecting your MegaSquirt ECU to your Relay Board. Works with MS1, MS2, or MS3, all standard main boards (includes not just the IAC and ignition pins - it also has the spare pins on 3 through 6). It has a shielded...

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  • MegaSquirt Wiring Bundle – Long

    $48.00

    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-I / MS-2 use (or MS-3 Primary Harness use) Shielded Ignition input wire Grea...

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