This pass-through harness is required for OBD-II programming when using BenchForce PowerBlock switch assemblies.
The 24 pin connector end plugs into any of our PowerBlock switch assemblies.
The 10 pin connector end plugs into any OBD-II ECU programming harness with 10 pin connection.The 10 pin connector end may alternatively plug into Y-Splitter harness. Y-Splitter harness is only necessary when adding an additional ECU on the bench.