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.

More From This Category

MSD Ignition Timing Controller Component, Power Grid, Mag Cable, Each

MSD Ignition Timing Controller Component, Power Grid, Mag Cable, Each

$89.52

Haltech Nexus Rebel LS - VE Commodore Pedal Adapter Harness

Haltech Nexus Rebel LS - VE Commodore Pedal Adapter Harness

$50.00

Rostra Transmission 4L60/65/70-E Internal Wire Harness Connector Seal; 17-Way, 4L60-E Holden Commodore, 4L65-E, 4L70-E, GM, 2009-2012

Rostra Transmission 4L60/65/70-E Internal Wire Harness Connector Seal; 17-Way, 4L60-E Holden Commodore, 4L65-E, 4L70-E, GM, 2009-2012

$16.37

MSD Wiring Harness, GM HEI Single Connector Coil, Each

MSD Wiring Harness, GM HEI Single Connector Coil, Each

$153.62