MSD Adapter Cable for MSD 6010 to GM Sensors - 8886Plug and play harness to the factory wiring. Part Number: 8886 These harnesses allow you to easily connect the 6LS or 6LS 2 to a factory EFI system to take advantage of timing adjustments and settings! Features and Benefits Connects to the factory crank trigger and other sensors. Programmable via a PC through MSDs Pro Data+ software. Manage the ignition timing and program rpm limits. Adapt the MSD Timing and RPM Controller (PN 6010) to an EFI system.