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Circuit Testers(1000+)
Inspect electrical flow and continuity safely with handheld circuit testers.
Work Pro Auto 6V 12V 24V DC Car Truck Voltage Circuit Tester 
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WORKPRO
Work Pro Auto 6V 12V 24V DC Car Truck Voltage Circuit Tester154.4 out of 5 stars. 15 reviews
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Miangastore Car Battery Tester Car Circuit Tester Electrical Tester Pen Voltage Tester Pen Automotive Battery Tester 
$9.79
current price $9.79Miangastore
Miangastore Car Battery Tester Car Circuit Tester Electrical Tester Pen Voltage Tester Pen Automotive Battery TesterDelivery, in 5+ days
NEXPOW OBD2 Scanner, Car Code Reader, Auto Diagnostic Tool for Check Engine Light, Car Scanner for All Vehicles since 1996, Lifetime Free System Updates 
You save $84.00
Reduced price
Sponsored
Now $55.99
current price Now $55.99, Was $139.99$139.99
You save$84.00
Nexpow
NEXPOW OBD2 Scanner, Car Code Reader, Auto Diagnostic Tool for Check Engine Light, Car Scanner for All Vehicles since 1996, Lifetime Free System Updates8914.5354 out of 5 stars. 891 reviews
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Free delivery, in 5+ days
KAKOWELY Car Fuse Tester Digital 5-32v Circuit Tester Automotive Electrical Tool,5.04"X0.98"X0.71" 
$21.99
current price $21.99KAKOWELY
KAKOWELY Car Fuse Tester Digital 5-32v Circuit Tester Automotive Electrical Tool,5.04"X0.98"X0.71"Delivery, in 5+ days
RKSTN Circuit Breaker Detector Car Circuit Trackers Cable Short Circuit Tester 42V Circuit Breaker Trackers Short Circuit and Open Circuit, Car Diagnostic Tool Detector 
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$12.44
current price $12.44, Was $12.44$12.44
RKSTN
RKSTN Circuit Breaker Detector Car Circuit Trackers Cable Short Circuit Tester 42V Circuit Breaker Trackers Short Circuit and Open Circuit, Car Diagnostic Tool DetectorDelivery, in 5+ days
Vrorvz Automotive Circuit Tester Diagnostic Tool with Short Circuit Protection 16ft Cable for 6 24V Systems Continuity and Polarity Test Includes Probe for Cars SUVs Motorcycles电商专家预测 
You save $1.00
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Now $12.99
current price Now $12.99, Was $13.99$13.99
You save$1.00
Vrorvz
Vrorvz Automotive Circuit Tester Diagnostic Tool with Short Circuit Protection 16ft Cable for 6 24V Systems Continuity and Polarity Test Includes Probe for Cars SUVs Motorcycles电商专家预测Delivery, in 5+ days
Car Circuit Tracker Diagnostic Tool 42 V Short Circuit and Open Circuit Detector with 7 in Flexible Probe and 9 V Battery Power 
You save $5.49
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Now $20.50
current price Now $20.50, Was $25.99$25.99
You save$5.49
XZNGL
Car Circuit Tracker Diagnostic Tool 42 V Short Circuit and Open Circuit Detector with 7 in Flexible Probe and 9 V Battery PowerDelivery, in 5+ days
BotaniNest Car Test Light Digital LED Circuit Tester Car Test Pen/digital Display Test Pen 5 120V/ Test Pen Tool/large Spring 
You save $0.14
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Now $13.85
current price Now $13.85, Was $13.99$13.99
You save$0.14
BotaniNest
BotaniNest Car Test Light Digital LED Circuit Tester Car Test Pen/digital Display Test Pen 5 120V/ Test Pen Tool/large SpringDelivery, in 5+ days
Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools 
You save $27.83
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Now $14.16
current price Now $14.16, Was $41.99$41.99
You save$27.83
Unbranded
Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test ToolsDelivery, in 5+ days
Insulated Test Clamp Safe 20mm/0.78in Opening Current Test Clip With 4mm Banana Socket For Car Trucks Electrical Projects Voltage Testers 600V-1000V/10A You save $10.95
Now $10.95
current price Now $10.95, Was $21.90$21.90
You save$10.95
More options from $10.27
Estink
Insulated Test Clamp Safe 20mm/0.78in Opening Current Test Clip With 4mm Banana Socket For Car Trucks Electrical Projects Voltage Testers 600V-1000V/10AFree delivery, in 5+ days