Seller notes

The Zero Gravity Performance TCM-2600/2650 is used to enable the use of the GM 6l50e, 6L80E, 6l90E transmissions behind practically any engine. all that is needed is a Throttle position signal and Engine RPM. This is not a standalone controller. The TCM-2650 is designed for situations where a standalone transmission controller cannot control the transmission directly. Newer transmissions, including the GM 6L80 6L90E, contain the factory transmission control module inside the valve body. . This k...

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