RB Terminated Harness Base Kit, Elite 2500 ECU, ATS, CTS

This Haltech RB Terminated Harness Base Kit delivers a complete wiring solution for Elite 2500 ECU installations on RB-series engines. The terminated harness arrives fully pinned and ready to connect, eliminating time-consuming wiring work and reducing installation errors. Includes integrated Air Temperature Sensor and Coolant Temperature Sensor for immediate engine monitoring capability. Designed for professional workshops requiring reliable, proven connections that withstand high-performance environments. Suits both street and competition RB applications where quality engine management wiring is essential for consistent tuning results.