PSI Conversion 13-Pin 4L60E to 4L80E Transmission Plug-and-Play Adapter Harness (Gen III)
This PSI Conversion plug-and-play adapter harness allows you to connect a 13-pin (1997-2005) 4L60E transmission harness to a 4L80E transmission, making it an ideal solution for Gen III LS swap and transmission upgrade applications.
Designed for straightforward installation, this conversion harness eliminates the need for cutting or modifying the factory harness while providing proper transmission connectivity. Custom ECU tuning with a 4L80e transmission segment swap is required for proper operation.
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