LS 4L80E Transmission Control Harness E36 Faster Sensor Feedback: Enhanced sensor

Faster Sensor Feedback: Enhanced sensor frequency for quicker air-fuel ratio adjustments

All spark outputs are available on the rear connector

Dedicated Rear Spark Outputs for Easy COP Upgrades

Earlier M50 non-VANOS: Not Compatible

LS 4L80E Transmission Control Harness E36 Faster Sensor Feedback: Enhanced sensorWiring made simple for your GM 4L80ENO Controller Included This listing is for the 4L80E plug and play transmission harness ONLY, designed to connect your GM 4L60E automatic transmission to a MicroSquirt transmission controller. Perfect for LS swap builders, racers, and tuners who already own a MicroSquirt TCU, this harness makes installation quick and reliableno cutting, no splicing, no guesswork. Its the same harness included in our full 4L60E TCU