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Wiring Harnesses & Wire Bundles

All MegaSquirt Wiring Harnesses use TXL high temperature automotive grade wiring/ wires are pre-printed with the ECU pin number and wire functions.

Showing 17–26 of 26 results

  • 6 Circuit Switch Panel

    $109.00

    Six circuit race car switch panel with heavy duty switchgear. This includes one momentary switch for your starter, and five lighted on-off switches. The on-off switches have resettable circuit breakers instead of fuses, so if you need to get your race veh...

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  • 4-way Modular Fuse Block

    $6.89

    Delphi (Packard) 4 position modular fuse block. Exactly the same thing that OEMs have been using in their wiring harnesses for decades. We've included 10 crimp on terminals, and left them on a bus bar which you can cut as needed to put several fuses on a ...

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  • D-Sub Connector Pin Removal Tool

    $4.50

    Need to remove a pin from one of our MS3Pro harnesses? These little tools are what you need to release the pins from a D-Subminiature connector so you can pull the wire out.

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  • Ratcheting Crimper for Weather Pack Connectors, 14-20 Gauge

    5 out of 5
    $108.00

    We've tracked down a source for a reliable, yet affordable, crimper for the Weather Pack connectors.  This crimper is American made and truly creates a perfect crimp every time, without the price tag you'd usually pay for a Delphi 12014254 crimper. Th...

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

    $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 16-14 Gauge Terminal Pack – 30 Terminal Sets

    $12.75

    Run out of terminals for your Weather Pack kits (or bought a kit elsewhere that didn't have enough)? We have the pins and seals on their own, without any housings or other parts. This package contains 30 pairs of male and female Weather Pack terminals, pl...

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  • Weather Pack 20-18 Gauge Terminal Pack – 30 Terminal Sets

    $12.75

    Run out of terminals for your Weather Pack kits (or bought a kit elsewhere that didn't have enough)? We have the pins and seals on their own, without any housings or other parts. This package contains 30 pairs of male and female Weather Pack terminals, pl...

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  • Weather Pack 3 Position, 16-14 Gauge (3) Pack

    $7.70

    (3) 3 position weather pack sets including: (3) male and female connectors, (10) male and female 16-14 gauge pins, and (20) 16-14 gauge seals

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  • Weather Pack 3 Position, 20-18 Gauge (3) Pack

    $7.70

    (3) 3 position weather pack sets including: (3) male and female connectors, (10) male and female 20-18 gauge pins, and (20) 20-18 gauge seals

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  • Weather Pack 22 Position Bulkhead Connector Kit

    5 out of 5
    $32.00

    Use this giant 22 Position Weather Pack connector to run wires through a firewall or as a quick disconnect for your engine harness, or other components that need a lot of wires. Includes: (1) 22 position male and female connector (13) 20-18 gauge m...

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