A reworked OEM GM harness can be depinned, shortened, and simplified

https://mariohlvd228.image-perth.org/the-ultimate-guide-to-obs-ls-swap-kits-parts-mistakes-and-proven-build-tips

A reworked OEM GM harness can be depinned, shortened, and simplified, preserving factory connectors while removing emissions circuits not needed in a custom LS swap.