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
Sponsored
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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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
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
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)
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)
Speedrite-K And K Fault Finder Fence Compass $139.72
$13972
current price $139.72Speedrite-K And K Fault Finder Fence Compass
Speedrite ST102 Remote Control & Fault Finder - Red $297.50
$29750
current price $297.50Speedrite ST102 Remote Control & Fault Finder - Red
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
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
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
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))
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] $15.93
![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)
$1593
current price $15.93M 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]
TREND Networks Fibre Optic Cable Visual Fault Finder $500.27
$50027
current price $500.27TREND Networks Fibre Optic Cable Visual Fault Finder
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
M Buder Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Tester $31.26
$3126
current price $31.26M Buder Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Tester
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
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
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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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
Jonard Tools VFL-150, Visual Fault Locator Kit $189.95
$18995
current price $189.95Jonard Tools VFL-150, Visual Fault Locator Kit
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)
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
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
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 $36.26
$3626
current price $36.26YAHHU Fiber Visual Fault Locator 15mW 15KM 650nm Red Light Pen Rechargeable Fiber Optic Cable Meter with Built-in Battery for Network Cable Tester Kit
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
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)
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
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 $13.89
$1389
current price $13.89Electrical 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
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
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
Nieyigj NF-8209 Electric Network Cable Finder Portable Anti Interference POE Line Finder Kit for Outdoor, Advanced Network Tester for Cable Fault, Length & Signal Detection, Includes Tool Bag $85.80
$8580
current price $85.80Nieyigj NF-8209 Electric Network Cable Finder Portable Anti Interference POE Line Finder Kit for Outdoor, Advanced Network Tester for Cable Fault, Length & Signal Detection, Includes Tool Bag
EM415 Pro Broken Wire Detector, Automotive Short & Open Circuit Finder Tester, High Precision Car Electrical Fault Diagnostic Tool for Mechanics $23.89
$2389
current price $23.89EM415 Pro Broken Wire Detector, Automotive Short & Open Circuit Finder Tester, High Precision Car Electrical Fault Diagnostic Tool for Mechanics
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)
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
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 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.
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
GUIREN Automotive Circuit Fault Probe Tester, Portable High-Precision Current Tester, Short Finder with LED Display and Lighting, 2-in-1 Wire Tracer Electrical, Relay Tester From $14.09
From$1409
GUIREN Automotive Circuit Fault Probe Tester, Portable High-Precision Current Tester, Short Finder with LED Display and Lighting, 2-in-1 Wire Tracer Electrical, Relay Tester
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
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
Riousery 10MW Visual Fault Locator VFL Universal Interface Optical Fiber Red Light Cable Tester Pen For Testing Communication Breakpoints, 7.48 inches / 19 cm From $30.89
4 options
Available in additional 4 optionsFrom$3089
Riousery 10MW Visual Fault Locator VFL Universal Interface Optical Fiber Red Light Cable Tester Pen For Testing Communication Breakpoints, 7.48 inches / 19 cm
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
BOKYAN Multifunctional Wire Tracer CAT5 CAT6 Network Cable Tester Line Finder Digital Circuit Analyzer with Multimeter Poe Circuit Fault Finder 10.24 inches / 26.00 cm $86.02
$8602
current price $86.02BOKYAN Multifunctional Wire Tracer CAT5 CAT6 Network Cable Tester Line Finder Digital Circuit Analyzer with Multimeter Poe Circuit Fault Finder 10.24 inches / 26.00 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
Automotive Circuit Fault Probe Tester, High-Precision Current Tester, Open & Short Finder with LED Display, Car Relay Fuse Blade Checker From $15.88
From$1588
Automotive Circuit Fault Probe Tester, High-Precision Current Tester, Open & Short Finder with LED Display, Car Relay Fuse Blade Checker
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) $31.97
$3197
current price $31.97M 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)
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