T87A / T93 TCM Harnesses are available now at dieselrcorp.ca 🔥
If you're tuning your 2017-2023 L5P Duramax with the GDP Commander Tuning kit, you're going to need a special harness to connect to your TCM. The powerful Commander handles the unlocking and flashing of both the ECM and TCM and this harness will ensure a quick and easy connection to your TCM.
We've included it in the Tuning Kit for you guys. Find it on our website at dieselrcorp.ca!
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Tuning Your L5P? You Need This For Country: United States. City: Burlington, Denver, Hialeah, South Bend, Washington
