ABOUT THIS MANUAL
Wiring and Circuit Diagrams
The diagrams either show entire systems or specific circuits. The circuit specific
diagrams only show the components and wiring in the system(s)listed in the diagram
title. Always refer to the diagram title for diagram type.
Troubleshooting
Once a problem has been isolated to a specific system or circuit, the circuit specific
diagrams will simplify locating the problem.
NOTE
Harness part numbers may be included on some wiring diagrams. Use these numbers for
reference purposes only. ALWAYS REFER TO THE PARTS CATALOG WHEN ORDERING WIRE HARNESSES.
Table of Contents
FLHTKSE MODEL (94000744)
SPORTSTER® MODELS (94000739)
POLICE MODELS (94000741)
FLTRXSE MODEL (94000780)
TRIKE MODELS (94000742)
LIVEWIRE MODEL (94000704)
SOFTAIL® MODELS (94000777)
TOURING MODELS (94000738)
HARLEY-DAVIDSON STREET™ MODELS (94000740)
FLHXSE MODEL (94000745)
FLHTKSE MODEL
Front Lighting and Hand Controls: 2020 FLHTKSE
Fairing Harness: 2020 FLHTKSE
Main Harness (1 of 4): 2020 FLHTKSE
Main Harness (2 of 4): 2020 FLHTKSE
Main Harness (3 of 4): 2020 FLHTKSE
Main Harness (4 of 4): 2020 FLHTKSE
Rear Lighting: 2020 FLHTKSE
Radio: 2020 FLHTKSE
SPORTSTER® MODELS
Battery Power Distribution
Ignition and Accessory Power Distribution
Sensor Grounds
Ground Circuit: 1 of 2
Ground Circuit: 2 of 2
Front Lighting and Hand Controls: 2020 Sportster
Main Harness 1 of 2: 2020 Sportster
Main Harness 2 of 2: 2020 Sportster
Rear Lighting: 2020 Sportster
POLICE MODELS
Front Lighting and Hand Controls: 2020 Police
Fairing Harness: 2020 FLHTP
Main Harness (1 of 3): 2020 FLHTP
Main Harness (2 of 3): 2020 FLHTP
Main Harness (3 of 3): 2020 FLHTP
Main Harness (1 of 3): 2020 FLHP
Main Harness (2 of 3): 2020 FLHP
Main Harness (3 of 3): 2020 FLHP
Rear Lighting: 2020 Police
FLTRXSE MODEL
Front Lighting and Hand Controls: 2020 FLTRXSE
Fairing Harness: 2020 FLTRXSE
Main Harness (1 of 4): 2020 FLTRXSE
Main Harness (2 of 4): 2020 FLTRXSE
Main Harness (3 of 4): 2020 FLTRXSE
Main Harness (4 of 4): 2020 FLTRXSE
Rear Lighting: 2020 FLTRXSE
Radio (1 of 2): 2020 FLTRXSE
Radio (2 of 2): 2020 FLTRXSE
TRIKE MODELS
Front Lighting and Hand Controls FLHTCUTG: 2020 Trike Model
Front Lighting and Hand Controls FLRT: 2020 Trike Model
Fairing Harness FLHTCUTG: 2020 Trike Model
Main Harness FLHTCUTG (1 of 4): 2020 Trike Model
Main Harness FLHTCUTG (2 of 4): 2020 Trike Model
Main Harness FLHTCUTG (3 of 4): 2020 Trike Model
Main Harness FLHTCUTG (4 of 4): 2020 Trike Model
Main Harness FLHTCUTGSE (1 of 4): 2020 Trike Model
Main Harness FLHTCUTGSE (2 of 4): 2020 Trike Model
Main Harness FLHTCUTGSE (3 of 4): 2020 Trike Model
Main Harness FLHTCUTGSE (4 of 4): 2020 Trike Model
Main Harness FLRT (1 of 4): 2020 Trike Model
Main Harness FLRT (2 of 4): 2020 Trike Model
Main Harness FLRT (3 of 4): 2020 Trike Model
Main Harness FLRT (4 of 4): 2020 Trike Model
Rear Lighting FLHTCUTG: 2020 Trike Model
Rear Lighting FLHTCUTGSE: 2020 Trike Model
Rear Lighting FLRT: 2020 Trike Model
Radio FLHTCUTG: 2020 Trike Models
Radio FLHTCUTGSE: 2020 Trike Models
Reverse FLHTCUTG/FLHTCUTGSE: 2020 Trike Model
Reverse FLRT: 2020 Trike Model
LIVEWIRE MODEL
Battery Power Distribution
High Voltage Circuit
Ground Circuit
Front Harness and Rear Lighting: 2020 LiveWire
Main Harness 1 of 3: 2020 LiveWire
Main Harness 2 of 3: 2020 LiveWire
Main Harness 3 of 3: 2020 LiveWire
SOFTAIL® MODELS
Power Distribution: 2020 Softail
Sensor Grounds: 2020 Softail
Ground Circuit: 2020 Softail
Front Lighting and Hand Controls: 2020 Softail
Backbone Harness 1 of 3: 2020 Softail
Engine Harness 2 of 3: 2020 Softail
Main Harness 3 of 3: 2020 Softail
Rear Lighting: 2020 Softail
TOURING MODELS
Battery Power Distribution: FLH with Fairing
Battery Power Distribution: FLT
Battery Power Distribution without Fairing
Ignition and ACC FLH: 2020 Touring
Ignition and ACC FLT: 2020 Touring
Sensor Grounds FLH: 2020 Touring
Sensor Grounds FLT: 2020 Touring
Ground Circuit FLH: 2020 Touring
Ground Circuit FLT: 2020 Touring
Front Lighting and Hand Controls: 2020 Touring
Fairing Harness FLH: 2020 Touring
Main Harness FLH (1 of 3): 2020 Touring (with Fairing)
Main Harness FLH (2 of 3): 2020 Touring (with Fairing)
Main Harness FLH (3 of 3): 2020 Touring (with Fairing)
Fairing Harness FLT: 2020 Touring
Main Harness FLT (1 of 3): 2020 Touring (with Fairing)
Main Harness FLT (2 of 3): 2020 Touring (with Fairing)
Main Harness FLT (3 of 3): 2020 Touring (with Fairing)
Main Harness (1 of 3): 2020 Touring (without Fairing)
Main Harness (2 of 3): 2020 Touring (without Fairing)
Main Harness (3 of 3): 2020 Touring (without Fairing)
Rear Lighting: 2020 Touring
OE Radio: 2020 Touring (Except FLHX/S, FLT)
OE Radio: 2020 Touring (No Tour-Pak)
P&A Radio with 1 Amp: 2020 Touring
P&A Radio with 2 Amps (1 of 2): 2020 Touring
P&A Radio with 2 Amps (2 of 2): 2020 Touring
P&A Radio with 4 Amps (1 of 4), Front Amp: 2020 Touring
P&A Radio with 4 Amps (2 of 4), Left Saddlebag Amp:
2020 Touring
P&A Radio with 4 Amps (3 of 4), Right Saddlebag Amp:
2020 Touring
P&A Radio with 4 Amps (4 of 4), Tour-Pak Amp: 2020 Touring
HARLEY-DAVIDSON STREET™ MODELS
IGN and ACC
Grounds
Lighting and Hand Controls: 2020 Street
Main Harness (1 of 3): 2020 Street
Main Harness (2 of 3): 2020 Street
Main Harness (3 of 3) (750A): 2020 Street
Main Harness (3 of 3) (except 750A): 2020 Street
FLHXSE MODEL
Battery Power Distribution
Ground Circuit
Front Lighting and Hand Controls: 2020 FLHXSE
Fairing Harness: 2020 FLHXSE
Main Harness (1 of 4): 2020 FLHXSE
Main Harness (2 of 4): 2020 FLHXSE
Main Harness (3 of 4): 2020 FLHXSE
Main Harness (4 of 4): 2020 FLHXSE
Rear Lighting: 2020 FLHXSE
Radio (1 of 2): 2020 FLHXSE
Radio (2 of 2): 2020 FLHXSE