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About this itemGen 3 LS ECM Programming Bench Harness Application - This bench-top harness that plugs into a standard wall outlet and allows you to connect a Gen 3 LS 4.8L, 5.3L, 6.0L computers (1999-2007) for tuning or testing via the OBDII port. Will work with any tuning software, including but not limited to EFI Live, HP Tuners, Tuner Cats.LS LS1 Gen III Bench Harness Fitment - This works with HP Tuners, OBDII scan tools, and other programming methods that use the OBDII port for communication...

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