Cart

Quick Links

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.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 33–39 of 39 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 ...

    Add to cart
  • Weather Pack 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...

    Add to cart
  • Bulkhead Mounting Plate for Twin 22 Pin Weather Pack Connectors

    5 out of 5
    $36.00

    22 pin Weather Pack connectors are great for running harnesses through the firewall, but what if you want a really clean hole for them and only have a jigsaw? We've made it easier now to get show car looks without show car fabrication equipment, with this...

    Add to cart
  • Metal DB37 Cover with Hardware & Gaskets

    4 out of 5
    $10.50

    Metal DB37 Cover with Hardware and Gaskets This Metal DB37 cover is perfect for building up your own Megasquirt wiring harness or relay cable connector.

    Add to cart
  • DB37 Metalized Plastic Backshell

    $2.99

    This is the 937GME-ND metalized plastic backshell cover included in our basic Megasquirt kits. It's not the same as the massive AMP metal cover used on our harnesses (that's sold on its own under wiring components), but it is cheap and effective if you're...

    Add to cart
  • DB37 Solder Cup Connector

    $3.00

    DB37 female solder cup connector, as included in our Megasquirt and relay board kits. Use this if you're making a new harness and prefer a soldered connection. This is the connector only; the backshell is sold separately.

    Add to cart
  • MicroSquirt Wiring Harness – 8ft

    5 out of 5
    $69.99

    Included is an 8' long harness for installing the MicroSquirt on larger vehicles instead of motorcycles and ATVs. M12 Tune cable included.

    Add to cart