TCI EZ-TCU main harnesses are the replacements you need to keep your transmission control unit connected to performance. These are identical to the originals that came with your units, and they offer the right fit and function for your controller. Whether you need them because of damage, loss, or the desire to have a spare on hand, TCI EZ-TCU main harnesses are available as replacements so that you can continue maximum control over shift points, shift firmness, and shift speed.

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