
MAP Sensor Harness Adapter for Converting GM GEN IV LS3 MAP Sensor into Vehicles Equipped with a GM LS1/LS2 V8 Engine
JEGS 555-40619 MAP Sensor Harness Adapter
- This Harness is for Converting a GM GEN IV LS3 MAP sensor into vehicles equipped with a GM LS1/LS2 V8 engine
- Built using factory-style connectors, seals, and high-quality terminals to ensure a secure, reliable connection with your LS3 MAP (Manifold Absolute Pressure) sensor
- This plug-and-play adapter harness eliminates the need for cutting or splicing wires, allowing for a quick and clean installation when upgrading to an LS3 MAP (Manifold Absolute Pressure) sensor
- Manufactured with high-quality automotive-grade wiring for maximum durability, ensuring consistent signal transmission and long-lasting performance
- Designed with standard aftermarket wire color coding, making identification and connection easier during installation
- Ideal for performance builds, engine swaps, or upgrades requiring the larger LS3 MAP (Manifold Absolute Pressure) sensor for improved airflow and accurate air/fuel ratios
- Converting to the LS3 MAP (Manifold Absolute Pressure) sensor requires proper ECU tuning and rescaling of MAP tables to ensure optimal engine performance and accurate air/fuel mixture
- Requires GM MAP Sensor 12592525 or Equivalent. See Items You Need
Seamlessly Connect Your LS Engine Swap
Simplify your LS engine swap with JEGS GM LS Wiring Harness Adapters. Designed to connect factory or aftermarket LS wiring harnesses to your vehicle’s existing electrical system, these adapters eliminate the hassle of splicing or modifying wires. Built with high-quality materials for maximum durability and a secure fit, JEGS wiring harness adapters ensure a clean and professional installation. Whether you're upgrading a classic muscle car or modernizing your project vehicle, JEGS has the solution to make your LS swap easy and reliable.




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