Harley-Davidson Fat Boy Wiring Harnesses
Genuine HD wiring harnesses and aftermarket alternatives that fit the Fat Boy — all years. Select your year for exact fitment and pricing.
Select your year for exact fitment & prices
Genuine Harley-Davidson (3)
Aftermarket for your Fat Boy
Confirmed to fit your Fat Boy
Aftermarket wiring harnesses the supplier lists against the Fat Boy. Genuine Harley-Davidson is listed above, not here.
V-Twin
TAIL LIGHT WIRING HARNESS SOFTAIL
MCS
OEM style main wiring harness. FXST
MCS
OEM style main wiring harness. FXST, FLST
MCS
OEM style main wiring harness. FXST
Namz
NAMZ, Plug-n-Play rear fender tap wiring harness
Dynatek
Dynatek, wiring harness adapter for Dyna 2000HD module
MCS
Oversized handlebar wiring harness. 48" long
Namz
NAMZ, speedometer sub wiring harness. Softail
S&S
S&S, universal EFI wiring harness
Namz
NAMZ, 24" Handlebar wiring harness
MCS
OEM style main wiring harness. FXST, FLST
Custom Dynamics
Electromagnetic Dual Horn Kit