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
-
TECHNORESEARCH Tool O2 Sensor Installer TR200044
TECHNORESEARCH
$885.95Real-time engine tuning demands accurate data from both cylinders, and the TECHNORESEARCH Tool O2 Sensor Installer TR200044 delivers exactly that without welding or expensive fabrication. This hydraulic bung installation system lets you monitor...38070378- SKU:
- 38070378
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
- APPLICATION:
- O2 SENSOR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- OXYGEN SENSOR BUNG
- APPLICATION:
- O2 TUNING SAMPLERS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- CLEAR
- UNITS:
- KIT
$885.95 -
TECHNORESEARCH Refill Kit O2 Installer TR200045
TECHNORESEARCH
$68.95If you're running multiple O2 sensor installations or upgrading exhaust systems across your fleet, having quality replacement bungs, plugs, and washers on hand eliminates downtime between builds. The TECHNORESEARCH TR200045 gives you exactly what you...38070398- SKU:
- 38070398
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- OXYGEN SENSOR BUNG
- APPLICATION:
- O2 TUNING SAMPLERS
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- YELLOW
- TYPE:
- REFILL
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- O2 SENSOR
$68.95 -
TECHNORESEARCH Centurtion Harley-Davidson Audio Diagnostic TR4-001-007
TECHNORESEARCH
$1,285.95Fine-tune your audio system and diagnose electrical issues without guesswork. The TR4-001-007 gives you complete control over aftermarket radio and speaker configuration while doubling as a comprehensive engine and module diagnostic tool—essential for...38070422- SKU:
- 38070422
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLACK
- APPLICATION:
- ELECTRICAL SYSTEM
- PRODUCT NAME:
- AUDIO CONFIGURATION SYSTEM
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$1,285.95Qty in Cart: 0Quantity:Price:$1,285.95Subtotal: -
NAMZ Tool U Barrel 5-Position Crimp NDC-990170
NAMZ
$52.95Clean, reliable electrical connections are non-negotiable in high-performance applications where vibration and thermal cycling demand precision. The NAMZ Tool U Barrel 5-Position Crimp tool eliminates guesswork from terminal assembly, ensuring...38070274- SKU:
- 38070274
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- TERMINAL CRIMPER
- UNITS:
- EACH
- TYPE:
- OPEN BARREL CRIMPER
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- TYPE:
- U-BARREL CRIMPER
- APPLICATION:
- CABLE TERMINAL
- FEATURES:
- 5 POSITION
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
NAMZ Tool Crimp Mini U Barrel NJC-990120
NAMZ
$98.95Precision wiring requires precision tooling. The NAMZ Tool Crimp Mini U Barrel is engineered for the exacting demands of motorsports electrical work, ensuring reliable connections on small-gauge terminals where failure isn't an option. Whether you're...38070252- SKU:
- 38070252
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- TYPE:
- 'U' BARREL
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- TERMINAL CRIMPER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- CABLE TERMINAL
- COLOR/FINISH:
- BLACK
- STYLE:
- MINI
$98.95 -
NAMZ Terminal Removal Tool NDP-422
NAMZ
$30.95Wiring harness work demands precision tools that won't damage delicate connectors or terminals. The NAMZ Terminal Removal Tool NDP-422 eliminates the risk of stripped pins, bent receptacles, and costly rework by safely extracting both components without...38070029- SKU:
- 38070029
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- GREEN
- STYLE:
- DELPHI
- UNITS:
- EACH
- TYPE:
- WIRE TERMINAL
- APPLICATION:
- ELECTRICAL SYSTEM
- PRODUCT NAME:
- REMOVAL TOOL
- RIDING STYLE:
- STREET
$30.95 -
NAMZ Terminal Removal Tool Molex NMTRT-01
NAMZ
$78.95Proper wiring harness maintenance requires precision tools that won't damage delicate connectors or terminals. The NAMZ Terminal Removal Tool eliminates the frustration of extracting pins and receptacles from Molex connectors without deforming them,...38070040- SKU:
- 38070040
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- ELECTRICAL SYSTEM
- PRODUCT NAME:
- REMOVAL TOOL
- RIDING STYLE:
- STREET
- STYLE:
- MOLEX MX-150
- TYPE:
- WIRE TERMINAL
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$78.95 -
NAMZ Terminal Tool Female Mat-N-Lock Rigid NMLRT-01
NAMZ
$75.95Working with Mat-N-Lock connectors demands a specialized tool that handles both pin and receptacle removal without damaging delicate terminals. The NAMZ Terminal Tool eliminates the guesswork and potential for costly mistakes when servicing electrical...38070062- SKU:
- 38070062
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- COLOR/FINISH:
- BLACK
- APPLICATION:
- ELECTRICAL SYSTEM
- PRODUCT NAME:
- REMOVAL TOOL
- RIDING STYLE:
- STREET
- TYPE:
- WIRE TERMINAL
- STYLE:
- AMP MATE-N-LOK
- STYLE:
- RIGID
- UNITS:
- EACH
$75.95 -
NAMZ Terminal Tool Male Mate-N-Lock Slider NMLRT-02
NAMZ
$43.95Proper connector maintenance is non-negotiable in high-performance wiring systems where electrical integrity directly impacts reliability. The NAMZ Terminal Tool Male Mate-N-Lock Slider gives you the precision control needed to remove pins and...38070063- SKU:
- 38070063
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- REMOVAL TOOL
- RIDING STYLE:
- STREET
- STYLE:
- AMP MATE-N-LOK
- COLOR/FINISH:
- BLACK
- STYLE:
- SLIDE
- TYPE:
- WIRE TERMINAL
- APPLICATION:
- ELECTRICAL SYSTEM
- UNITS:
- EACH
$43.95 -
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 -
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
