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4L60e to 4L80e with VSS Transmission Adapter Harness (99-06 Sierra 1500)Find parts that fit my vehicle

Item S576734
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$59.99

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      Product Information

      Features, Description, Q&A

      Features

      • 4L60e To 4L80e Plug And Play Adapter
      • Includes Two Separate Components: Adapter Harness And Input Speed Sensor Connector
      • Adapter Harness Converts Existing Transmission Plug And Wires To 4L80e Configuration
      • Input Speed Sensor Connector Runs From Front ISS Sensor To ECM
      • Provides Correct Signal To ECM For Transmission Operation
      • Requires ECM Flash With Correct Calibration For 4L80e Transmission
      • Blue Wire Connects To Pin 23
      • Red Wire Connects To Pin 22
      • Fits 99-06 Sierra 1500

      Description

      Transmission Conversion Adapter. The 4L60e to 4L80e with VSS Transmission Adapter Harness allows seamless conversion from a 4L60e transmission to a more robust 4L80e unit. It enables proper electrical integration by adapting the existing transmission plug and wiring to the 4L80e configuration while ensuring the ECM receives accurate input speed sensor signals. This harness is essential for anyone upgrading their transmission without extensive rewiring or repinning.

      Construction and Appearance. The adapter harness is constructed with high-quality wiring and connectors designed to withstand automotive environments. It features durable insulation and a precise plug-and-play design, minimizing installation errors. The harness components maintain a professional finish and reliable electrical contacts ensuring long-term performance.

      Installation. Installation is straightforward with no need for cutting or drilling, as the harness is designed for plug-and-play use. The kit simplifies the wiring process between the transmission and ECM, making it accessible for automotive enthusiasts and professional mechanics alike.

      Application. Specifically designed to fit 99-06 Sierra 1500 models.

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