MicroSquirt Transmission Controller & 4L60E Harness

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Easily manage your GM 4L60E transmission with the MicroSquirt CAN Transmission Controller and 4L60E Subharness. This system offers a clean, plug-and-play solution when paired with MS3Pro ECUs and directly connects to our LSx drop-on harnesses for quick and painless installation. The included subharness supports 4L60E transmissions with or without the LUF (Lock-Up Feel) solenoid. It is ideal for GM vehicles running early 4L60E models and LS engine swaps using MS3Pro or other MegaSquirt-based ECUs. Communication is handled over CAN bus, allowing compatibility with MS2, MicroSquirt, MS3, and MS3Pro systems. Note: This harness does not include wiring for the input shaft speed sensor found on later 4L65E and 4L70E transmissions.Not compatible with 2009+ 4L60E transmissions. Key Features: Plug-and-play wiring harness for 4L60E with full MicroSquirt TCU support Compatible with MS3Pro 24x and 58x drop-on harnesses Supports models with and without the LUF solenoid CAN bus integration with MS2, MS3, or another MicroSquirt ECU Pre-configured MicroSquirt Transmission Controller Simple setup and tuning via TunerStudio What’s Included: MicroSquirt Transmission Controller (loaded with 4L60E firmware) Fully terminated 4L60E plug-and-play wiring harness 6-pin black connector (power, ground, CAN) 8-pin gray connector (optional digital inputs) 18 crimp pins for custom input connections Show more