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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. Ā 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 96 results

  • AMP AMPSEAL 35 pin connector with terminal pins - uncrimped - MicroSquirt ECU connector

    MicroSquirt / MS3Pro-Mini AMPSEAL Connector

     $39.99

    Planning to make your own MS3Pro-Mini, MicroSquirt or AMP'd MicroSquirt harness? This plug and pin kit features a 35 pin MicroSquirt / MS3Pro-Mini connector and more than enough gold plated pins!

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  • MegaSquirt Relay Board - Assembled Unit

    MegaSquirt Relay Board – Assembled Unit

    5 out of 5
    $264.99

    MegaSquirt Relay Board - Assembled Unit - Part# MSRelay-C Though the Relay/Power Board is not required, it is a convenience and can reduce the chance of miswiring during the installation. The relay board provides a central place for all of the required...

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  • MS3Pro LS 4L80E Trans Control Subharness

     $279.00

    Harness Only. Ā Optional automatic transmission control using our MicroSquirt transmission controller (sold separately).Ā  Literally, just plug in our transmission controller with theĀ 4L80E subharness and Ā youā€™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).Ā  Literally, just plug in our transmission controller with theĀ 4L60E subharness and Ā youā€™re ready to control your trans via CAN with MS3Pro!

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  • GM 4L60E – 4L80E Transmission Connector with Pins

     $31.00

    Use this transmission connector to wire up a 4L60E or 4L80E (1993 or later) transmission to a MicroSquirt, GPIO board, or other transmission control device. This connector includes most of the connections for the shift solenoids, pressure regulator, tempe...

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  • MS3-Pro 8 ft Wiring Harness

    MS3Pro 8 ft Wiring Harness-1st Gen

     $249.00

    8 foot (2.4 m) flying lead type harness for the MS3Pro. It has the MS3Pro's AMPSEAL connectors on one end and the other end is unterminated for installing your own connectors. This harness uses TXL high temperature automotive grade wiring. Wires are indiv...

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  • MS Piggy MegaSquirt Pigtail Harness

    24″ MegaSquirt Pigtail Harness (MS1/MS2/MS3 Ready)

    5 out of 5
    $59.99

    MegaSquirt Wiring Harness - 24 inches long Completely redesignedĀ version adds more features to help make your installation as easy and reliable as possible. We've now brought the improvements from the long harness over to the pigtail harness. This min...

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  • 24″ MegaSquirt Pigtail MS3X Harness

     $79.99

    MegaSquirt MS3X Wiring Pigtail -Ā 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 ...

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  • MegaSquirt Relay Cable

    MegaSquirt Relay Cable

    5 out of 5
    $109.99

    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

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

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  • Ratcheting Crimper for Weather Pack Connectors, 10-12 Gauge

    Ratcheting Crimper for Weather Pack Connectors, 10-12 Gauge

    5 out of 5
    $87.00

    Need to crimp your Weather Pack connectors to heavier gauge wire? This one will crimp 10 and 12 gauge. Like our other tool, this is a quality, American made crimper. It doesn't have the holding block like on the smaller tool however, and it needs two sepa...

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  • Weather Pack Pin Removal Tool

    Weather Pack Pin Removal Tool

    5 out of 5
    $6.00

    This tool makes de-pinning Weather Pack connectors a simple snap or poke. Just pop the seal retainer off, poke the tool in from the terminal side, slippingĀ the tool over the terminalĀ all the way in to release the latch, and pull the wire out from the...

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  • Anti-Static ESD Protection Wrist Strap

     $5.49

    Anti-Static ESD Protection Wrist Strap Protect your electronics from Electrostatic Discharge (ESD) during assembly or modification. Attach this wrist strap by connecting the clip to a good ground point and you'll safely discharge all static electricity...

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  • Lead Bending Tool

    Lead Bending Tool

    5 out of 5
    $5.50

    Lead Bending Tool This inexpensive lead bending tool will come in very handy when building up your MegaSquirt kit or any electronics kit. It helps you to quickly bend the leads of 1/4 and 1/2 watt resistors, diodes, capacitors, inductors, etc to the ex...

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