Fault Finder(346)
Uses item details. Price when purchased online
Best seller NOYAFA NF-824 Circuit Breaker Finder GFCI Outlet Tester Trip Time Display Digital Circuit Breaker Locator Receiver Scan NCV Voltage Detector Type-C Rechargeable From $50.99

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From$5099
NOYAFA NF-824 Circuit Breaker Finder GFCI Outlet Tester Trip Time Display Digital Circuit Breaker Locator Receiver Scan NCV Voltage Detector Type-C Rechargeable
64.8 out of 5 Stars. 6 reviews
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SOXOTOG Automotive Circuit Fault Probe Tester, 20A 48V-High-Precision Current Tester, 2-in-1 Wire Tracer Short Finder, Car Relay Fuse Checker with LED Display & Front Light $15.99 Was $17.99

Sponsored
Now$1599
current price Now $15.99, Was $17.99$17.99
SOXOTOG Automotive Circuit Fault Probe Tester, 20A 48V-High-Precision Current Tester, 2-in-1 Wire Tracer Short Finder, Car Relay Fuse Checker with LED Display & Front Light
15 out of 5 Stars. 1 reviews
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Reduced price Automotive Circuit Tester DC 6-42V Short & Open Finder Car Wire Tracker Tool $19.79 Was $21.99
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Now$1979
current price Now $19.79, Was $21.99$21.99
Automotive Circuit Tester DC 6-42V Short & Open Finder Car Wire Tracker Tool
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VEVOR Automotive Circuit Tester, 8 - 35 DCV Power Circuit Probe Tester with TFT Color Display and Lighting, Automotive Power Tester Probe with 19.7 ft / 6 m Cable, 2-in-1 Electrical Detector Finder $87.99

Sponsored
$8799
current price $87.99VEVOR Automotive Circuit Tester, 8 - 35 DCV Power Circuit Probe Tester with TFT Color Display and Lighting, Automotive Power Tester Probe with 19.7 ft / 6 m Cable, 2-in-1 Electrical Detector Finder
YAHHU 5KM Visual Fault Locator & Optical Power Meter Handheld Fiber Optic Cable Tester Kit, Wavelength 800-1700nm, -70~+6dBm Range, VFL Tester for Network Maintenance (5.12 inches / 13 cm) $37.75

$3775
current price $37.75YAHHU 5KM Visual Fault Locator & Optical Power Meter Handheld Fiber Optic Cable Tester Kit, Wavelength 800-1700nm, -70~+6dBm Range, VFL Tester for Network Maintenance (5.12 inches / 13 cm)
YAHHU 30KM Visual Fault Locator Kit Aluminum Alloy High Accuracy VFL Fiber Optic Source Tester Built-in 1800mAh Battery Network Tester (7.09 inches / 18 cm)

YAHHU 30KM Visual Fault Locator Kit Aluminum Alloy High Accuracy VFL Fiber Optic Source Tester Built-in 1800mAh Battery Network Tester (7.09 inches / 18 cm)
Allosun Electric Fence Voltage Tester -Fence Tester Fault Finder Max 9000V GK503C $11.20

$1120
current price $11.20Allosun Electric Fence Voltage Tester -Fence Tester Fault Finder Max 9000V GK503C
Speedrite-K And K Fault Finder Fence Compass $139.72

$13972
current price $139.72Speedrite-K And K Fault Finder Fence Compass
M Buder Visual Fault Locator Kit 20km Mini Portable Rechargeable Fiber Optic Source Tester Pen Detector Meter Equipment For Cable Tracking 5.51 inches / 14 cm $29.31
$2931
current price $29.31M Buder Visual Fault Locator Kit 20km Mini Portable Rechargeable Fiber Optic Source Tester Pen Detector Meter Equipment For Cable Tracking 5.51 inches / 14 cm
M Buder Handheld Visual Fault Detector Fiber Optic Cable Checker Locator Red Light Pen Tester 15KM Output (7.87 inches / 20 cm) For Network Maintenance[cite: 1] $16.11
![M Buder Handheld Visual Fault Detector Fiber Optic Cable Checker Locator Red Light Pen Tester 15KM Output (7.87 inches / 20 cm) For Network Maintenance[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-Handheld-Visual-Fault-Detector-Fiber-Optic-Cable-Checker-Locator-Red-Light-Pen-Tester-15KM-Output-7-87-inches-20-cm-Network-Maintenance-cite_230f499b-0d76-4fb1-9102-21ef99d8eee3.6d20823ed6c26db6971911c1f32ffbe4.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1611
current price $16.11M Buder Handheld Visual Fault Detector Fiber Optic Cable Checker Locator Red Light Pen Tester 15KM Output (7.87 inches / 20 cm) For Network Maintenance[cite: 1]
EM415 Pro Broken Wire Detector, High Precision Automotive Short & Open Circuit Finder Tester $22.99

Sponsored
$2299
current price $22.99EM415 Pro Broken Wire Detector, High Precision Automotive Short & Open Circuit Finder Tester
Power Circuit Probe Tester, 6V-24V DC Automotive Test Light with Short Circuit Finder, Polarity Identification, Component Activation & Overload Protection for Car Truck Electrical Diagnosis $15.97

Sponsored
$1597
current price $15.97Power Circuit Probe Tester, 6V-24V DC Automotive Test Light with Short Circuit Finder, Polarity Identification, Component Activation & Overload Protection for Car Truck Electrical Diagnosis
YAHHU Optical Fiber Power Meter 4-in-1 Fault Locator Detector RJ45 Tester 5km -50 to +26dBm LED Light 7.09 in / 18 cm $42.92

$4292
current price $42.92YAHHU Optical Fiber Power Meter 4-in-1 Fault Locator Detector RJ45 Tester 5km -50 to +26dBm LED Light 7.09 in / 18 cm
Speedrite ST102 Remote Control & Fault Finder - Red $297.50

$29750
current price $297.50Speedrite ST102 Remote Control & Fault Finder - Red
Automotive Current Draw Tester Fuse, 20A 48V Car Circuit Fault Finder for Accurate Current Testing, Professional Tool for Diagnosing Parasitic Drain & Fuse Issues $13.99

$1399
current price $13.99Automotive Current Draw Tester Fuse, 20A 48V Car Circuit Fault Finder for Accurate Current Testing, Professional Tool for Diagnosing Parasitic Drain & Fuse Issues
TREND Networks Fibre Optic Cable Visual Fault Finder $500.27

$50027
current price $500.27TREND Networks Fibre Optic Cable Visual Fault Finder
M Buder Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Tester $31.29

$3129
current price $31.29M Buder Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Tester
Electrical Short Open Finder for Em415pro Professional Wire Break Finder Automotive Circuit Tester Cable Fault Locator DC 6-42V Adjustable Circuit Breaker Finder Tool for Cars Trucks $13.81

$1381
current price $13.81Electrical Short Open Finder for Em415pro Professional Wire Break Finder Automotive Circuit Tester Cable Fault Locator DC 6-42V Adjustable Circuit Breaker Finder Tool for Cars Trucks
Allosun Electric Fence Tester -Digital Fence Voltage Tester Fault Finder GK503B $11.99

$1199
current price $11.99Allosun Electric Fence Tester -Digital Fence Voltage Tester Fault Finder GK503B
15 out of 5 Stars. 1 reviews
HonestMatter Plug Tester with GFCI Check, Standard AC Receptacle Tester for Home Electrical Tools, Circuit Breaker Finder for Neutral Live Ground Wire Faults

HonestMatter Plug Tester with GFCI Check, Standard AC Receptacle Tester for Home Electrical Tools, Circuit Breaker Finder for Neutral Live Ground Wire Faults
2026 Upgraded Em415 Pro Broken Wire Detector Tool, Circuit Tracer Pro Tester, Automotive Tester Cable Wire Short Circuit Breakpoint Testers Car Broken Wires Detector Line Finder (1Pc (with Box)) $24.69

Sponsored
$2469
current price $24.692026 Upgraded Em415 Pro Broken Wire Detector Tool, Circuit Tracer Pro Tester, Automotive Tester Cable Wire Short Circuit Breakpoint Testers Car Broken Wires Detector Line Finder (1Pc (with Box))
2026 Upgraded Em415 Pro Broken Wire Detector Tool, Circuit Tracer Pro Tester, Automotive Tester Cable Wire Short Circuit Breakpoint Testers Car Broken Wires Detector Line Finder (A) $19.99

Sponsored
$1999
current price $19.992026 Upgraded Em415 Pro Broken Wire Detector Tool, Circuit Tracer Pro Tester, Automotive Tester Cable Wire Short Circuit Breakpoint Testers Car Broken Wires Detector Line Finder (A)
EM415PRO Automotive Disconnect Tester Wire Inspector Inspection Tester, Fault Finder, DC less than 42V Probe Automotive Diagnostic Tool, Measures 12V Battery Circuits $19.99

$1999
current price $19.99EM415PRO Automotive Disconnect Tester Wire Inspector Inspection Tester, Fault Finder, DC less than 42V Probe Automotive Diagnostic Tool, Measures 12V Battery Circuits
Cable Fault Locater,0-15,000 CFL510G $3,902.88

$3,90288
current price $3,902.88Cable Fault Locater,0-15,000 CFL510G
Automotive Circuit Fault Probe Tester High-Accuracy Automotive Circuits Fault Finder with Backlit Display, Fast Plug-and-Play Automotives Circuit Fuse Tester for Cars, Trucks $23.88

$2388
current price $23.88Automotive Circuit Fault Probe Tester High-Accuracy Automotive Circuits Fault Finder with Backlit Display, Fast Plug-and-Play Automotives Circuit Fuse Tester for Cars, Trucks
YAHHU Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Fiber Optic Cable Meter with Built-in Battery for Network Cable Tester Kit $35.29

$3529
current price $35.29YAHHU Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Fiber Optic Cable Meter with Built-in Battery for Network Cable Tester Kit
M Buder Visual Fault Locator Rechargeable VFL Fiber Optic Cable Tester 15KM 15mW 2.5mm Universal Interface Fiber Light Tester Pen for Network Maintenance (15 inches / 38.1 cm) $29.08

$2908
current price $29.08M Buder Visual Fault Locator Rechargeable VFL Fiber Optic Cable Tester 15KM 15mW 2.5mm Universal Interface Fiber Light Tester Pen for Network Maintenance (15 inches / 38.1 cm)
Automotive Wire Fault Finder, Crucialas Circuit Tester, Em415 Automotive Electrical Open & Short Finder Circuit Tester, Cable Tracker, Cable Tracker Electrical, Short Circuit Finder (with Bag) From $18.43
From$1843
Automotive Wire Fault Finder, Crucialas Circuit Tester, Em415 Automotive Electrical Open & Short Finder Circuit Tester, Cable Tracker, Cable Tracker Electrical, Short Circuit Finder (with Bag)
Jonard Tools VFL-150, Visual Fault Locator Kit $189.95

$18995
current price $189.95Jonard Tools VFL-150, Visual Fault Locator Kit
Optic Fault Finder 20KM Optical Time-Domain Reflectometer Fiber Ranger FTTB FTTH Breakpoint Tester Meter 10mw VFL ,High Precision Diagnostic

Optic Fault Finder 20KM Optical Time-Domain Reflectometer Fiber Ranger FTTB FTTH Breakpoint Tester Meter 10mw VFL ,High Precision Diagnostic
EM415 Pro Broken Wire Detector, High Precision Automotive Short & Open Circuit Finder Tester, Car Electrical Fault Diagnostic Tool for Mechanics(1Pcs) $24.89

Sponsored
$2489
current price $24.89EM415 Pro Broken Wire Detector, High Precision Automotive Short & Open Circuit Finder Tester, Car Electrical Fault Diagnostic Tool for Mechanics(1Pcs)
Automotive Circuit Tester 20A 48V Probe Electrical Fault Finder Relay Blade Checker with LCD Backlit for SUV Truck

Automotive Circuit Tester 20A 48V Probe Electrical Fault Finder Relay Blade Checker with LCD Backlit for SUV Truck
Automotive Circuit Fault Probe Tester, High-Precision Electrical Fault Detector for Car Repair, Easily Find Shorts, Check Fog Lights, Horns, and Engine Wiring $25.98

$2598
current price $25.98Automotive Circuit Fault Probe Tester, High-Precision Electrical Fault Detector for Car Repair, Easily Find Shorts, Check Fog Lights, Horns, and Engine Wiring
Automotive Electrical Open&Short Finder Circuit Tester,Tone Generator Cable Wire Breaker Fault Finder, 6-42v EM415 Pro Broken Wire Detector Tool, Automotive Open and Short Finder for Cars $27.99

$2799
current price $27.99Automotive Electrical Open&Short Finder Circuit Tester,Tone Generator Cable Wire Breaker Fault Finder, 6-42v EM415 Pro Broken Wire Detector Tool, Automotive Open and Short Finder for Cars
B4 VFL 5-30km fiber laser pointer fiber optic visual fault locator $31.99

$3199
current price $31.99B4 VFL 5-30km fiber laser pointer fiber optic visual fault locator
W01 Inductance Tester, Advanced Inductor Detector, Fast Fault Diagnosis Electronic Component Tester From $11.99
From$1199
W01 Inductance Tester, Advanced Inductor Detector, Fast Fault Diagnosis Electronic Component Tester
M Buder YG468U Professional RJ45 and USB Cable Tester Fast Accurate Testing Network Phone Wire Test Tool Indicator Display Fault Detector Kit with Storage Bag $11.19

$1119
current price $11.19M Buder YG468U Professional RJ45 and USB Cable Tester Fast Accurate Testing Network Phone Wire Test Tool Indicator Display Fault Detector Kit with Storage Bag
Rechargeable 3200mAh Fiber Optic Visual Fault Locator Pen Power Bank - 1-50km Test Range 15/30/50mw For Cable Testing ,Accurate From $55.91
From$5591
Rechargeable 3200mAh Fiber Optic Visual Fault Locator Pen Power Bank - 1-50km Test Range 15/30/50mw For Cable Testing ,Accurate
M Buder ET624 Multifunctional Wire Tracer CAT5 CAT6 Network Cable Tester Line Finder Digital Circuit Analyzer POE Cable Fault Locator and Continuity Tester with Built-in Multimeter and Battery $82.02

$8202
current price $82.02M Buder ET624 Multifunctional Wire Tracer CAT5 CAT6 Network Cable Tester Line Finder Digital Circuit Analyzer POE Cable Fault Locator and Continuity Tester with Built-in Multimeter and Battery
Automotive Circuit Fault Probe Tester, Circuit Breaker Finder and Relay Tester, 2026 Portable 20A 48V High-Precision Car Fuse Tester with LED Display & Light From $13.88
From$1388
Automotive Circuit Fault Probe Tester, Circuit Breaker Finder and Relay Tester, 2026 Portable 20A 48V High-Precision Car Fuse Tester with LED Display & Light
Car Relay Tester, Automotive Circuit Fault Probe Tester, Portable High-Precision Current Tester, Short Finder with LED Display and Lighting, 2-in-1 Wire Tracer Electrical, Circuit Tester $19.99

$1999
current price $19.99Car Relay Tester, Automotive Circuit Fault Probe Tester, Portable High-Precision Current Tester, Short Finder with LED Display and Lighting, 2-in-1 Wire Tracer Electrical, Circuit Tester
Nieyigj 30KM VFL Fiber Optic Visual Fault Locator, High Accuracy 2.5mm Universal Interface Network Cable Tester for Repair & Construction, 30MW 650nm Red Light Pen, Requires AAA Batteries $25.94

$2594
current price $25.94Nieyigj 30KM VFL Fiber Optic Visual Fault Locator, High Accuracy 2.5mm Universal Interface Network Cable Tester for Repair & Construction, 30MW 650nm Red Light Pen, Requires AAA Batteries
Clearance Automotive Circuit Tester, Digital Car Circuit Scanner Diagnostic Tool, Open and Short Circuit Finder, Electrical Fault Detector for Vehicle Wiring Repair and Maintenance Was $12.80

Automotive Circuit Tester, Digital Car Circuit Scanner Diagnostic Tool, Open and Short Circuit Finder, Electrical Fault Detector for Vehicle Wiring Repair and Maintenance
XZKING Automotive Electrical Open&Short Finder Circuit Tester Power Probe Circuit Finder Detector Tone Generator Cable Wire Breaker Tracker Circuit Fault Finder DC 6-42V Car Diagnostic Tool (EM415PRO) $21.99
$2199
current price $21.99XZKING Automotive Electrical Open&Short Finder Circuit Tester Power Probe Circuit Finder Detector Tone Generator Cable Wire Breaker Tracker Circuit Fault Finder DC 6-42V Car Diagnostic Tool (EM415PRO)
EM415 Pro Broken Wire Detector, High Precision Automotive Short & Open Circuit Finder Tester, Car Electrical Fault Diagnostic Tool for Mechanics1Pcs $24.89

$2489
current price $24.89EM415 Pro Broken Wire Detector, High Precision Automotive Short & Open Circuit Finder Tester, Car Electrical Fault Diagnostic Tool for Mechanics1Pcs
Automotive circuit fault detector, portable high-precision current tester, with LED display and lighting function, automotive open/short circuit finder, automotive relay and fuse tester. $21.78

$2178
current price $21.78Automotive circuit fault detector, portable high-precision current tester, with LED display and lighting function, automotive open/short circuit finder, automotive relay and fuse tester.
Riousery Multifunctional Wire Tracer & Ethernet Cable Tester Kit, Digital Circuit Analyzer Line Finder with Tone Generator & Probe, RJ45 CAT5 CAT6 Fault Locator, 10.24 inches / 26 cm $80.02

$8002
current price $80.02Riousery Multifunctional Wire Tracer & Ethernet Cable Tester Kit, Digital Circuit Analyzer Line Finder with Tone Generator & Probe, RJ45 CAT5 CAT6 Fault Locator, 10.24 inches / 26 cm
HTN Display Screen Multi Functional 2 Power Mode Vehicle Car Circuit Tester,Auto Circuit Tester Automotive Circuit Fault Finder for Automotive Repair Industry $29.99

$2999
current price $29.99HTN Display Screen Multi Functional 2 Power Mode Vehicle Car Circuit Tester,Auto Circuit Tester Automotive Circuit Fault Finder for Automotive Repair Industry
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools, Blue From $17.52

2 options
Available in additional 2 optionsFrom$1752
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools, Blue
23 out of 5 Stars. 2 reviews
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