Dedicated Subsystem WorkbenchPlatform Gen: 2016–2024

2024 Triumph Bonneville T120 Fuse Box Diagram, Amperages & Relay Diagnostics

Complete fuse box location, blade fuse slot mappings, ISO color codes, blown fuse symptoms and dark current parasitic drain testing for 2024 Triumph Bonneville T120.

Gen 2016–2024

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2016 through 2024.

Select Model Year:(Active: 2024)

2016 2017 2018 2019 2020 2021 2022 2023 2024

Engine

1200cc

Drive

525

Cooling

Liquid-Cooled

CIRCUIT HEALTH DECKMain: 30A Blade / Starter SolenoidSpec: < 1.5 mA Quiescent

FUSE BOX, RELAY ASSIGNMENTS & PARASITIC DRAIN ISOLATOR

Fuse & Relay Location: Main fuse box located under rider seat; Main 30A fuse mounted directly to starter solenoid near battery positive post.

Select Fuse to Inspect Circuits & Failure SymptomsFormat: Mini Blade (ATM)

10A

SLOT: IGNITION

Engine Management & Coils

Rating: 10 Amps

Downstream Protected Components:

ECU LogicIgnition Stick Coils 1-3Crank Position Sensor

Mechanic Diagnostic: Symptoms If Blown

Starter motor cranks engine over but no spark is generated.

Shop Replacement 10A Fuses

Official NHTSA Safety Recalls & Technical Bulletins

2 Active Campaigns

U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).

Verify VIN on NHTSA.gov

The U.S. National Highway Traffic Safety Administration reports 2 safety recall campaigns associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.

NHTSA #24V785000ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES

Received: 21/10/2024▼

Defect Description

Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2022-2024 Bonneville T100, T120, T120 Black, 2022 Triumph Street Scrambler, Street Scrambler Sandstorm, Street Twin, Street Twin Goldline, 2023-2024 Scrambler 900, and Speed Twin 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.

Safety Hazard / Consequence

Overheated wiring increases the risk of a fire or crash.

Factory Remedy & Repair Action

Dealers will install a new wire alignment clip, free of charge. Owner notification letters were mailed November 18, 2024. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 627.

Manufacturer Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to nhtsa.gov.

NHTSA #26V078000ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

Received: 11/02/2026▼