Harnesses supporting flex-fuel sensors let LS swaps run E85 blends safely

https://www.scribd.com/document/1014450831/From-Principle-to-Automobile-How-Modern-Electrical-Wiring-Harnesses-Power-Automotive-Development-190884

Harnesses supporting flex-fuel sensors let LS swaps run E85 blends safely, enabling adaptive timing and fueling when paired with an appropriately tuned PCM.