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Circuit Testers

Displaying 1 to 36 (of 182 products)
Electronic Specialties

#192 DIAGNOSTIC RELAY BUDDY(R) 12/24

#192 DIAGNOSTIC RELAY BUDDY(R) 12/24

Your Price: $72.74
Kastar

$12V CIRCUIT TESTER*

$12V CIRCUIT TESTER*

Your Price: $11.98
Cal-van Tools

*USE CV84

*USE CV84

Your Price: $46.05
The Best Connection

10 Amp 12V Black Round Rocker

10 Amp 12V Black Round Rocker

Your Price: $6.01
The Best Connection

10 Amp 12V Red Round Rocker

10 Amp 12V Red Round Rocker

Your Price: $6.01
S & G Tool Aid

12/24/48 Volt Circuit Tester

12/24/48 Volt Circuit Tester

Your Price: $27.28
OTC Tools and Equipment

12V-24V Truck Circuit Tester

12V-24V Truck Circuit Tester

Your Price: $40.05
Electronic Specialties

187 LOADpro® & Back Probe Kit

187 LOADpro® & Back Probe Kit

Your Price: $95.91
Power Probe

2PK ALLIGATOR CLIP

2PK ALLIGATOR CLIP

Your Price: $10.16
Innovative Products of America

4 & 5 Pin Vehicle Trailer Harness Tester

4 & 5 Pin Vehicle Trailer Harness Tester

Your Price: $18.80
Power Probe

5 VOLT ADAPTER

5 VOLT ADAPTER

Your Price: $40.76
Waekon Industries

5/16" Female Snap-Lock Adapter

5/16" Female Snap-Lock Adapter

Your Price: $25.45
Electronic Specialties

550 EV Insulation Tester

550 EV Insulation Tester

Your Price: $249.34
Cal-van Tools

6-12-24 LCD TESTER

6-12-24 LCD TESTER

Your Price: $50.67
List Price: $71.35
29% off
Electronic Specialties

635 CATIII Automotive Test Lead Set

635 CATIII Automotive Test Lead Set

Your Price: $41.81
Waekon Industries

721-OHB TFI EECIV IGITION ANALYZER*

721-OHB TFI EECIV IGITION ANALYZER*

Your Price: $409.39
Waekon Industries

76600 Hi-vis VoltPRO

76600 Hi-vis VoltPRO

Your Price: $202.53
Thexton Mfg Co

90 Degree Electrical Back Probe Kit

90 Degree Electrical Back Probe Kit

Your Price: $26.54
S & G Tool Aid

90° IAC Test Light

90° IAC Test Light

Your Price: $18.94
Waekon Industries

ABS Sensor Pinpoint Tester

ABS Sensor Pinpoint Tester

Your Price: $388.31
Waekon Industries

Adapter # 2 White (includes "A" Spindle)

Adapter # 2 White (includes "A" Spindle)

Your Price: $36.41
Waekon Industries

Adapter #2 White F/Ford 150

Adapter #2 White F/Ford 150

Your Price: $33.67
Waekon Industries

ADAPTER 3/8-24 FTG(2 PER SET)

ADAPTER 3/8-24 FTG(2 PER SET)

Your Price: $35.26
Waekon Industries

Adapter M10 X 1.25 FTG(2 PER SET)

Adapter M10 X 1.25 FTG(2 PER SET)

Your Price: $35.26
Waekon Industries

Adapter M10 X 1.5 FTG(2 PER SET)

Adapter M10 X 1.5 FTG(2 PER SET)

Your Price: $14.50
Waekon Industries

Adapter M14 X 1.5

Adapter M14 X 1.5

Your Price: $17.89
Waekon Industries

ADAPTER M6-0.9 FTG(2 PER SET)

ADAPTER M6-0.9 FTG(2 PER SET)

Your Price: $35.26
Waekon Industries

ADAPTER XXX

ADAPTER XXX

Your Price: $26.29
List Price: $32.21
18% off
Electronic Specialties

ATC Fuse Buddy Current Loop

ATC Fuse Buddy Current Loop

Your Price: $16.34
Lock Technology LTI by Milton

Auto Grounds Keeper Electrical Ground

Auto Grounds Keeper Electrical Ground

Your Price: $19.14
S & G Tool Aid

Automotive Logic Probe - Heavy Duty

Automotive Logic Probe - Heavy Duty

Your Price: $14.71

Automotive Relay Bypass Switch 9036-1

Automotive Relay Bypass Switch 9036-1

Your Price: $15.15
Thexton Mfg Co

Backprobe Kit

Backprobe Kit

Your Price: $26.40
Waekon Industries

Battery Adapter For ETL76000

Battery Adapter For ETL76000

Your Price: $22.54
Displaying 1 to 36 (of 182 products)

Circuit Testers

Circuit testers are indispensable tools for automotive professionals, offering precision and efficiency in diagnosing and repairing electrical systems. These tools are crucial for troubleshooting common issues like shorts, open circuits, and faulty relays, helping to ensure the reliable operation of a vehicle's electrical components. Whether you're working on automotive, heavy-duty, marine, agricultural, or industrial equipment, circuit testers simplify the process of identifying and addressing electrical faults, saving time and preventing guesswork. Modern circuit testers encompass a wide variety of designs and features tailored to fit different applications. From compact tools, like the OTC Mini Circuit Tester with its slim ergonomic design and heavy-duty stainless steel probe, to advanced devices like the Power Probe III Circuit Tester, equipped with integrated voltmeters and bumper-to-bumper testing capabilities, these tools offer exceptional versatility. Specialized diagnostic kits, such as the Electronic Specialties Relay Buddy 12/24 Pro, allow mechanics to test both standard 12-volt and heavy-duty 24-volt relays, providing real-time feedback and diagnostic trouble codes for precise problem identification. For manual controls and override functionality, tools like the Relay Bypass Kit are invaluable for testing components like fuel pumps and fan motors, ensuring an efficient and accurate diagnosis. With features like durable housing, long leads, and compatibility with a range of voltage systems, circuit testers reduce downtime and improve accuracy. These tools are an essential part of any technician’s arsenal, streamlining the troubleshooting process while enhancing safety and performance within electrical repair tasks. Empower your workshop with circuit testers, and experience seamless diagnostics for today’s complex automotive systems.