Garage Sale LS9/6L90 harness (uses a LSA computer if you want to run the 6L80/6L90)
-Selling our old shop harness that was used for testing back in the day
-Sold as-is, no returns
-LS9's only came with a manual transmission from the factory, so you'll need to add the VSS wires to the ECM if you run a manual transmission
-42" in-car harness layout
-Wired for LSA returnless fuel controller (can remove the Green/White wire if you want to run a traditional fuel pump relay, +12V output)
-Wired for the stock LS9 subharnesses