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MS3Pro LS Plug and Play Harness 4L80E Transmission Control Subharness


In stock


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 with MS3Pro!

What sort of harnesses does this work with?

  • We have populated all four pins so it can be used with any wiring harness that uses this connector design. It isn't just limited to our wiring harnesses - you can use this with OEM wiring or other applications, too!

Where is this harness made?

  • They are made in the USA.

What grade wiring do you use?

  • This harness is made of high temperature TXL wiring with TechFlex F6 woven wrap.

Is the main charging wire included?

  • No. This is just to extend the 4 pin connector.

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