We show you how to build your own budget jumper harness for a standalone ECU using some basic tools and knowledge. This is a harness we're building for a Haltech Elite 550 powered H22 Prelude and it works great!
WRITTEN GUIDE: https://shop.humbleperformance.com/blog/wiring-a-standalone-ecu-jumper-from-scratch-haltech-elite-550/
Elite 550 DIY Kit: https://shop.humbleperformance.com/haltech-elite-550-plug-and-pin-diy-kit/