Harley Electrical System Tools
Harley Bike Electrical System Tools at JJ Motorsports
Work smarter on your Harley's electrical system with premium specialty tools from JJ Motorsports, featuring O2 sensor installers, permanent battery leads, and ignition switch alignment tools for clean installs and accurate service on Twin Cam, M8, Touring, and Sportster models. These professional-grade tools make wiring and sensor jobs faster and safer.
Shop TechnoResearch, Drag Specialties, and JIMS electrical tools for race-shop precision. Explore related categories such as Harley tools for engine and transmission tools, or Harley lights and electrical for wiring and sensors to complete your electrical service routine and ensure reliable power and performance across all conditions, from long-haul touring to custom builds.
Top Harley Electrical System Tools
- TechnoResearch Tool O2 Sensor Installer TR200044 – Precision O2 sensor socket; installs/removes 18mm sensors without damage on Twin Cam and M8 exhausts.
- Drag Specialties Permanent Battery Lead O-01 O-01D – Permanent battery tender pigtail; quick-connect for chargers on all late-model Harleys.
- JIMS Tool Ignition Switch Alignment 944 – Alignment pin tool for fork-lock ignition switches; perfect for 1993-2013 Touring and Softail models.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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DAYTONA TWIN TEC LLC Twin Scan 4 Scan Tool - CANBUS - 2011+ 15500
DAYTONA TWIN TEC LLC
$779.95Whether you're diagnosing a check engine light or programming a new key fob, the DAYTONA TWIN TEC LLC Twin Scan 4 puts factory-level diagnostic capability in your hands. This CANBus scan tool reads and clears codes across your engine control module, body...38070445- SKU:
- 38070445
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- STYLE:
- CAN BUS
- PRODUCT NAME:
- DIAGNOSTIC ANALYZER
$779.95 -
DAYTONA TWIN TEC LLC Twin Scan 4 Scan Tool - CANBUS & J1850 - 2001+ 15600
DAYTONA TWIN TEC LLC
$1,709.95Diagnosing electrical gremlins on modern bikes requires access to the onboard systems that most generic scanners can't touch. The DAYTONA TWIN TEC LLC Twin Scan 4 gives you direct control over your engine control module, body electronics, and brake...38070446- SKU:
- 38070446
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- STYLE:
- COMPLETE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- DIAGNOSTIC ANALYZER
- UNITS:
- KIT
$1,709.95 -
DRAG SPECIALTIES Permanent Battery Lead O-01 O-01D
DRAG SPECIALTIES
$9.95A reliable battery lead is the foundation of any vehicle's electrical system—especially when you're pushing performance limits or operating in harsh conditions. The DRAG SPECIALTIES Permanent Battery Lead O-01D delivers weatherproof connectivity with SAE...38070256- SKU:
- 38070256
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- CORD
- TYPE:
- BATTERY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- VOLTS:
- 12 V
$9.95 -
DRAG SPECIALTIES Permanent Battery Lead O-01 - Jar of 20 O-01DJAR
DRAG SPECIALTIES
$91.20A reliable battery connection is non-negotiable for any serious motorsports application—whether you're running extended track sessions, cold-weather events, or relying on auxiliary power systems. These DRAG SPECIALTIES permanent battery leads eliminate...38070352- SKU:
- 38070352
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- COLOR/FINISH:
- BLACK
- VOLTS:
- 12 V
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CORD
- TYPE:
- BATTERY
- UNITS:
- 20 PACK
$91.20 -
LANG TOOLS Rethreader Spark Plug 1013A
LANG TOOLS
$24.95Used to clean up dirty or damaged spark plug threads on Twin Cam, V-Rod and some Sportster models, Spark plug thread with a lead in (for proper alignment) and flutes (for dirt and chip relief), Also features a 5/8" hexagon with O-ring and female 3/8"...38070119- SKU:
- 38070119
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- APPLICATION:
- IGNITION SYSTEM
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- DIAMETER - THREAD SIZE METRIC:
- M12
- PRODUCT NAME:
- RETHREADER
- UNITS:
- EACH
$24.95 -
CUSTOM DYNAMICS Light Tester 12-Volts Direct Connection CD-TL-12VDC
CUSTOM DYNAMICS
$12.95Accurate electrical diagnostics are non-negotiable when troubleshooting lighting systems on high-performance builds. The CUSTOM DYNAMICS 12-Volt Light Tester eliminates guesswork by quickly identifying shorts, open circuits, and voltage...38070399- SKU:
- 38070399
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CIRCUIT TESTER
- APPLICATION:
- ELECTRICAL SYSTEM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
$12.95 -
Jims Ignition Switch Fork Lock Tool for Harley Dyna 2006-2017 778
JIMS
$80.10Removing and installing an ignition switch on your 2006-2017 Harley-Davidson Dyna requires precision and the right tool to avoid damaging the delicate switch assembly. The JIMS Ignition Switch Fork Lock Tool eliminates guesswork by providing direct,...38070095- SKU:
- 38070095
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOCKING TOOL
- TYPE:
- SWITCH LOCK
- UNITS:
- EACH
- APPLICATION:
- IGNITION SYSTEM
- RIDING STYLE:
- STREET
$80.10 -
JIMS Multimeter Probe Kit 737
JIMS
$109.00Diagnosing electrical issues on your vehicle demands precision tools that can access tight connector spaces without damaging sensitive wiring. The JIMS Multimeter Probe Kit 737 gives you the probe angles and insulated safety features needed for accurate...38070224- SKU:
- 38070224
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- YELLOW
- UNITS:
- KIT
- APPLICATION:
- ELECTRICAL SYSTEM
- COLOR/FINISH:
- GREEN
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- BACK PROBE
$109.00 -
JIMS Ignition Switch Alignment Tool for 2014-2020 Harley-Davidson Touring Models 944
JIMS
$131.40Proper ignition switch alignment is critical for reliable fork lock engagement and long-term switch durability on your Touring model. Misalignment during installation leads to binding components, premature wear, and potential electrical issues that...38070276- SKU:
- 38070276
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- HOUSING ALIGNMENT
- TYPE:
- MAINTENANCE
- UNITS:
- EACH
- APPLICATION:
- IGNITION SYSTEM
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- STREET
$131.40 -
DRAG SPECIALTIES Permanent Battery Lead O-01 - 20x6 O1DJARX6
DRAG SPECIALTIES
$509.40A reliable battery connection is non-negotiable when you're serious about racing or winter storage. The DRAG SPECIALTIES Permanent Battery Lead O-01 delivers industry-standard SAE connectivity with weather protection that keeps your electrical system...38070537- SKU:
- 38070537
- Availability:
- Ships Same Business Day
- Weight:
- 12.70 LBS
- PRODUCT NAME:
- CORD
- RIDING STYLE:
- STREET
- TYPE:
- BATTERY
- UNITS:
- SET OF 6
- COLOR/FINISH:
- BLACK
- VOLTS:
- 12 V
$509.40 -
Jims 12mm x 1.25 Thread Chaser for Harley-Davidson 1999-2012 Dyna Softail XL 1758
JIMS
$46.20Stripped or cross-threaded fastener holes are a common headache in engine rebuilds and maintenance work. The JIMS 12mm x 1.25 Thread Chaser restores damaged internal threads to factory specification without requiring you to drill out and re-tap to the...38070082- SKU:
- 38070082
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- DIAMETER - THREAD SIZE METRIC:
- M12 X 1.25
- RIDING STYLE:
- STREET
- TYPE:
- O2 SENSOR
- PRODUCT NAME:
- THREAD CHASER
- UNITS:
- EACH
- APPLICATION:
- IGNITION SYSTEM
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
$46.20 -
Jims O2 Sensor Wrench for Harley Touring 2010-2017 784
JIMS
$51.90Oxygen sensor service is a critical part of fuel-injection maintenance on modern Harley Touring models, and the wrong tool can round off sensor fittings or strip threads. The JIMS O2 Sensor Wrench (MPN 784) is engineered specifically for 2010-2019 FLHT...38070077- SKU:
- 38070077
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- WRENCH
- TYPE:
- OXYGEN SENSOR DRIVER
- DRIVE SIZE IMPERIAL:
- 3/8'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$51.90 -
Jims USA Ignition Switch Alignment Tool for Harley Touring Models 2003-2013 943
JIMS
$131.20Precision ignition switch alignment directly impacts the reliability and longevity of your Harley's electrical system. Improper housing installation can cause premature wear on internal components and compromise fork lock engagement—issues that become...38070050- SKU:
- 38070050
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- MAINTENANCE
- APPLICATION:
- IGNITION SYSTEM
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- HOUSING ALIGNMENT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$131.20Qty in Cart: 0Quantity:Price:$131.20Subtotal: -
DRAG SPECIALTIES Charger Optimate 1 Duo TM-613
DRAG SPECIALTIES
$52.95Dead batteries are a racer's nightmare—whether you're storing a vehicle between seasons or maintaining a fleet of machines. The DRAG SPECIALTIES Charger Optimate 1 Duo TM-613 keeps any 12V lead-acid or lithium battery in peak condition with a fully...38070544- SKU:
- 38070544
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- PRODUCT NAME:
- MAINTAINER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- STYLE:
- GLOBAL
- TYPE:
- BATTERY
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
$52.95 -
DRAG SPECIALTIES 6' Motorcycle Jumper Cable 20-0490-BC4
DRAG SPECIALTIES
$33.87A reliable jumper cable is non-negotiable for any serious motorcycle owner or mechanic. This 6-foot setup delivers the cable length you need for quick battery recovery without fumbling with extensions, while the 12-gauge construction ensures efficient...DS310490- SKU:
- DS310490
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- LENGTH IMPERIAL:
- 6'
- RIDING STYLE:
- STREET
- TYPE:
- BATTERY
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- JUMPER CABLE
$33.87 -
Jims O2 Sensor Thread Chaser Tool for 2008-2011 Harley-Davidson Dyna Fat Bob FXDF 1757
JIMS
$24.80If you've got a stripped or damaged O2 sensor boss on your 2008-2011 Dyna Fat Bob, you don't need to pull the head or pay a shop to re-thread it. This JIMs Thread Chaser Tool restores your internal threads to factory spec without cutting oversize,...38070083- SKU:
- 38070083
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$24.80 -
TECHNORESEARCH Centurion Super Pro TR3-001-004
TECHNORESEARCH
$1,999.95If you're running an independent Harley-Davidson or Buell repair facility, you need diagnostics that match the complexity of modern EFI systems. The TECHNORESEARCH Centurion Super Pro TR3-001-004 gives you complete VCM control—from ECU re-flashing and...38070313- SKU:
- 38070313
- Availability:
- Ships Same Business Day
- Weight:
- 3.11 LBS
- PRODUCT NAME:
- DIAGNOSTIC TOOL SYSTEM
- RIDING STYLE:
- STREET
- STYLE:
- SUPER PRO
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- TYPE:
- PROFESSIONAL
$1,999.95 -
Jims Onboard Diagnostic Voltmeter 5500
JIMS
$117.95Electrical gremlins can strand you at the track or on the road when you least expect it. The JIMS Onboard Diagnostic Voltmeter 5500 gives you real-time visibility into your charging system's health, letting you catch battery and alternator issues before...38070345- SKU:
- 38070345
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- BATTERY CHARGER
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- VOLTMETER
- COLOR/FINISH:
- BLACK
- TYPE:
- DIAGNOSTIC ANALYZER
- UNITS:
- EACH
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
DRAG SPECIALTIES Optimate 5 The Power Charger / Tester / Maintainer TM231
DRAG SPECIALTIES
$95.95A dead or dying battery can sideline your bike for weeks, especially during off-season storage. The DRAG SPECIALTIES Optimate 5 keeps your battery in peak condition year-round with intelligent charging that prevents sulfation and extends battery life by...38070467- SKU:
- 38070467
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BATTERY CHARGER
- AMPS:
- 4 A
- VOLTS:
- 12 V
- RIDING STYLE:
- STREET
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal:
