LS harnesses with extra sensor leads support boost reference MAPs, IAT relocation
https://augustgibu385.wordpress.com/2026/03/18/the-ultimate-guide-to-obs-ls-swap-packages-parts-risks-and-proven-build-tips/
LS harnesses with extra sensor leads support boost reference MAPs, IAT relocation, and meth failsafes for forced-induction conversions.