Dedicated Subsystem WorkbenchPlatform Gen: 2007–2022

2018 Harley Davidson Sportster 1200 (Forty-Eight / Iron 1200) 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 2018 Harley Davidson Sportster 1200 (Forty-Eight / Iron 1200).

Gen 2007–2022

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2007 through 2022.

Select Model Year:(Active: 2018)

2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Engine

1202cc

Drive

Chain

Cooling

Air-Cooled

CIRCUIT HEALTH DECKMain: 40A Maxi-FuseSpec: < 3.5 mA Quiescent

FUSE BOX, RELAY ASSIGNMENTS & PARASITIC DRAIN ISOLATOR

Fuse & Relay Location: Main fuse / BCM located behind left side cover; Main 40A/50A Maxi-Fuse mounted in dedicated holder adjacent to battery tray.

Select Fuse to Inspect Circuits & Failure SymptomsFormat: Maxi Blade (MAX) + Micro/Mini Blade

15A

SLOT: BATTERY

Constant Battery Feed

Rating: 15 Amps

Downstream Protected Components:

BCM Keep-Alive MemorySpeedometer ClockSecurity Siren Module

Mechanic Diagnostic: Symptoms If Blown

Security system faults; odometer clock resets on shutdown.

Shop Replacement 15A Fuses

Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)

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

Verify VIN on NHTSA.gov

No Active Federal Safety Recalls Reported

The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the 2018 Harley Davidson Sportster 1200 (Forty-Eight / Iron 1200) platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.