• LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)
  • LS Gen 3 Bench Tuning Harness - Program & Test GM 4.8L 5.3L 6.0L ECMs Out Of Vehicle (1999-2007)

Product Details

Web ID: 950455

Tuning your LS engine? This bench harness lets you power up and program your Gen 3 PCM/ECM on your workbench – no need to have it installed in the car. Works with the BLUE connector computers (LS1, 4.8, 5.3, 6.0, 8.1L) from 1999-2007.

Comes with a 12V wall adapter to power the computer, the BLUE connector plug, and an OBDII port. Compatible with popular tuning software like HP Tuners, EFI Live, and TunerCATs.

Makes flashing, testing, or troubleshooting your computer so much easier. All the cables and bolts are included, ready to plug and play. A must-have tool for any LS tuner or builder working on these GM engines.