12200411 PCM

EFI Connection engine wire harnesses for GM# 12200411 PCM are compatible with all Gen III 24x LS-Series engines. This is the most requested PCM for Gen III 24x LS-Series conversions. Engine wire harnesses for GM# 12200411 PCM are directly compatible with the 1999-2000 LS-Series PCM (GM# 09354896).

Our stand-alone engine wire harnesses often exceed other aftermarket engine harnesses because of our attention to quality and detail: 

  • OE quality TXL insulated wire for great flexibility, abrasion resistance, and continuous use in temperatures up to 257°F.
  • OE original connectors, terminals, and cable seals. No aftermarket knock-off components.
  • Production quality connector terminal crimps using tooling by Rennsteig Tools.

12200411 Gen III Harness Category