LS Ignition Coil Harness

The LS Ignition Coil Harness is a crucial component for anyone working on LS-series engine platforms, including LS1, LS2, LS3, LSx, and LT-series engines. This OEM-quality harness connects the engine control module to individual ignition coils, ensuring reliable spark delivery for optimal engine performance. Whether you're swapping engines, upgrading, or troubleshooting, this harness is designed to meet the demands of modern LS engines.

Engineered to Chevrolet Performance specifications, the harness features precision-molded connectors that provide positive seating and resist corrosion in high-heat environments. The wiring gauge and terminal construction are optimized for the specific switching frequencies required by LS ignition coil control circuits, preventing signal degradation and voltage drop. This ensures that the harness performs reliably under the demanding conditions of an engine bay.

Technicians and enthusiasts alike rely on this harness for ECU reprogramming, coil replacement, or harness repairs. Its compact profile allows for easy routing, making installation straightforward and reducing the risk of misfire or drivability issues. With its exact compatibility with OEM coil connectors and ECM outputs, this harness eliminates guesswork, ensuring a seamless integration into your LS engine setup.