LS Gen 3 ECM Engine Programming Control Module Reader Diagnostic PCM Bench Kit
Gen 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.