【OEM DESIGN】This standalone wire harness is designed to be a complete wiring harness for fuel injection system on GM 1999 and 2006 vortec engines with drive by cable throttle body and 4L60E or 4L80E（with adapter） transmissions, exactly OEM design to easy installation.this harness is built to withstand engine bay conditions and ensure stable electrical performance, contributing to reliable engine operation. .
