Gen 3 Ls1 Wiring Harness Diagram. LS1 1997-04 Products LS6 2001-04 Products LS2 2005 Products. You want to take the power wire from your power source and connect it to Blue 19 and 20 upper right two pins and OBD2 port 9 bottom left.
I am no profession. If youve acquired an LT1 LSx Gen 3 or 4 or Gen 5 LT1 L83 L86 style engine that came with a wiring harness on it and you feel that the length of the harness to the ECU and the look of the harness will work fine for your project then we can simply modify it to be a stand alone engine management harness. You want to take the power wire from your power source and connect it to Blue 19 and 20 upper right two pins and OBD2 port 9 bottom left.
All PSI Harnesses are Made in the USA.
Primary wire is typically an 18-gauge wire and is the most common wire found in wiring harnesses. We build direct factory fit harnesses for the 4th gen F-Body as well as for the 1998-2003 S10. We offer LS LT swap harnesses for all Gen 3 4 and 5 LS LT engines including LS1 LS2 LS3 LS6 LS7 LSA LS9 Gen 5 V8 LT1 LT4 LQ4 LQ6 L99 Vortec variants - DOD VVT AFM. GM LS Series Vortec Wiring Harnesses ECMs Products Accessories.