Tested, working bench harness for e92/e39. Made with new and used parts. Some parts may show signs of use or wear. Some connectors may be oriented to plug in the opposite way, but all will work and interchange.
Bypass ECM Breakout Cable Detroit Diesel DDEC V BENCH HARNESS
LS Gen 3 ECM Engine Control Module Reader PCM Bench Harness Kit for 99-07 GM
OBDIISVS LS Gen III Bench Harness for GM Chevy 1999-2007 4.8 5.3 6.0 PCM Tuning
Cummins 3163151 ECM Bench Calibration Harness and Cummins 3162848 Harness
VW & Audi ME7.1 ME7.5 ME7.1.1 ECU Bench Cable Harness With Boot Pin 560ohm
LS SWAP Gen 3 ECM ECU Bench Programming Cable Harness GODIAG GT100 Compatible