Description

4L80E Plug and Play Transmission Control via MicroSquirt

Seamlessly control your 4L80E transmission with MicroSquirt Transmission Control! The supplied 4L80E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop on harnesses; a perfect fit for GM 4L80E transmission. Includes wiring for the input shaft speed sensor.  This can be used as a standalone transmission control solution with minimal wiring involved, but was designed to be a full plug and play, zero wiring solution with our 24x & 58x harnesses.

Note that many 1993 and earlier 4L80E transmissions had a different connector – this unit uses the later style that was used in most 1994 and later transmissions.

Parts included

• MicroSquirt Transmission Controller
• Complete 4L80E wiring harness
• 6 pin black connector for power, ground, and CAN bus
• 8 pin gray connector for additional inputs
• 18 crimp pins for the above connectors

Products FAQ

I’ve heard of a device called the MicroTCU. Is this a MicroTCU?

• The MicroTCU is a different unit that has similar specifications, but it has not been put into production.

Is it waterproof?

• No, but you can make it waterproof with a bit of RTV silicone around the edge of the case.

Are there other versions of the MicroSquirt for other functions? Transmission control or the “IO Box”, for example?

• These all use the same ECU, just running different code to change its function and use it as a transmission control unit or I/O expansion device. See MSExtra.com for details.

Could I use two MicroSquirts, one running the engine and one running the transmission?

• Yes. They would link up over their CAN networks to look like a single unit to the tuning software.

Where is this unit made?

• They are built in the USA.

What do I need to tune this unit over USB?

• You will need our external USB adapter.