It takes time. If you have never done it it will take you the better part of a day, but it is all plug and play and does not require any special tools. It basically just goes together one way.
The basic wiring harness on the bike is the same on all FLHT's other then the differences between carb and EFI and all the plugs are there.
The basic wiring harness on the bike is the same on all FLHT's other then the differences between carb and EFI and all the plugs are there.