The Speedmaster PCE649.1002 is a dedicated conversion wiring harness designed to simplify the upgrade from a GM 10si case alternator to a CS130 alternator. This plug-and-play style adapter eliminates the need for cutting or splicing factory wiring, providing a clean and reliable electrical connection during your alternator swap.
Engineered specifically for GM applications, this conversion plug ensures proper signal and charge circuit compatibility between the older 10si-style connector and the newer CS130 alternator. It is an ideal solution for builders and enthusiasts looking to modernize their charging system while maintaining wiring integrity.