This new S&S® EFI wiring harness is a basic engine control harness only, providing all terminated connections required to operate an EFI v-twin engine using a 36 pin Delphi® style EFI Module. This harness does not have provisions for turn signals, lights, or gauges. A perfect solution for custom EFI v-twin motorcycles and racing engines. It can also be used to replace engine sub harnesses in 2002-2005 FL models.Custom and racing v-twin applications using Delphi® style EFI module. Easy replacement for engine sub harness on 2002-'05 FL models 1995-'05 big twins. Useful for carb to Delphi EFI and Magneti Marelli® to Delphi EFI conversions. Great for S&S® X-Wedge® engines. FEATURES AND BENEFITs: Simple electrical hook up of all connections required to operate engines with Delphi® style EFI. All cables are terminated with the correct factory crimped connectors. Works the S&S® stock and most 36 pin aftermarket Delphi® style EFI modules. Compatible with S&S® throttle bodies, as well as stock and most aftermarket throttle bodies. Replaces stock engine sub-harness in 2002-'05 FL models, simplies carb to EFI conversision.