LS Gen 3 ECM Bench Reader Diagnostic Tuning Tool Harness LS1 LM7 P01 P59 0411

LS Gen 3 ECM Bench Reader Diagnostic Tuning Tool Harness LS1 LM7 P01 P59 0411

Marsoni

M251S

$197.99

Get it in 3 business days with 1 day shipping. Friday, May 29

LS Gen 3 ECM Bench Reader Diagnostic Tuning Tool Harness LS1 LM7 P01 P59 0411LS Gen 3 Engine Computer ECM Bench Reader Harness Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Plug and play for GM (Gen 3) LS series engine computers When using Blue Green ECM only the blue connector will be used Allows Engine Computer to be flashed and tuned off vehicle Includes: 1 bench reader harness Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and terminals),(uses OEM harness wire colors)

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Reviewed in the United States on November 18, 2025

Verified Purchase

Jessica

Belleville, US

★★★★★ 5

Comfy

Number of Items: 6, Color: Black (6-pairs), Size: Large

Comfy and well made

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Reviewed in the United States on May 12, 2026