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Circuit Testers

  • Original price $14.99
    Original price $14.99 - Original price $14.99
    Original price $14.99
    Current price $13.03
    $13.03 - $13.03
    Current price $13.03

    Astro Pneumatic Circuit Tester Cordless

    Astro Pneumatic
    10+ In Stock

    Features and Benefits: Operated between 3 to 28 volt No wire or clip needed while diagnosing polarity Made of rugged chrom...

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    Original price $14.99
    Original price $14.99 - Original price $14.99
    Original price $14.99
    Current price $13.03
    $13.03 - $13.03
    Current price $13.03
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  • Original price $38.58
    Original price $38.58 - Original price $38.58
    Original price $38.58
    Current price $33.54
    $33.54 - $33.54
    Current price $33.54

    Astro Pneumatic Digital Lcd 3-48V Wide Range Circuit Tester

    Astro Pneumatic
    10+ In Stock

    Digital LCD 3-48V Wide Range Circuit Tester Full Specifications ...

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    Original price $38.58
    Original price $38.58 - Original price $38.58
    Original price $38.58
    Current price $33.54
    $33.54 - $33.54
    Current price $33.54
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  • Original price $35.64
    Original price $35.64 - Original price $35.64
    Original price $35.64
    Current price $31.00
    $31.00 - $31.00
    Current price $31.00

    Brush Research Cummins Injector Brush

    Brush Research
    Only 2 left!

    Features and Benefits: Full Specifications U...

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    Original price $35.64
    Original price $35.64 - Original price $35.64
    Original price $35.64
    Current price $31.00
    $31.00 - $31.00
    Current price $31.00
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  • Original price $24.61
    Original price $24.61 - Original price $24.61
    Original price $24.61
    Current price $21.40
    $21.40 - $21.40
    Current price $21.40

    Brush Research Dd-1 (149) Copper/Injector Cleaning

    Brush Research
    10+ In Stock

    Features and Benefits: Stainless steel wire with plastic handle to be used when changing injector while in truck Excellent Quality....

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    Original price $24.61
    Original price $24.61 - Original price $24.61
    Original price $24.61
    Current price $21.40
    $21.40 - $21.40
    Current price $21.40
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  • Original price $19.35
    Original price $19.35 - Original price $19.35
    Original price $19.35
    Current price $16.82
    $16.82 - $16.82
    Current price $16.82

    Brush Research Dd-1 (53/71/92)Copper/Injector Cleang

    Brush Research
    10+ In Stock

    Features and Benefits: Stainless Steel wire with plastic handle to be used when changing injector while in truck ...

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    Original price $19.35
    Original price $19.35 - Original price $19.35
    Original price $19.35
    Current price $16.82
    $16.82 - $16.82
    Current price $16.82
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  • Original price $32.21
    Original price $32.21 - Original price $32.21
    Original price $32.21
    Current price $28.01
    $28.01 - $28.01
    Current price $28.01

    Brush Research Nh-2 Copper/Injector Cleaning

    Brush Research
    Only 3 left!

    Features and Benefits: NH-1 COPPER/INJECTOR CLEANING-2 Pack Automotive brushes best used as a bench tools Cut for power. ...

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    Original price $32.21
    Original price $32.21 - Original price $32.21
    Original price $32.21
    Current price $28.01
    $28.01 - $28.01
    Current price $28.01
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  • Original price $8.72
    Original price $8.72 - Original price $8.72
    Original price $8.72
    Current price $7.58
    $7.58 - $7.58
    Current price $7.58

    Circuit Tester Up To 28Volts Ac/Dc

    Lisle
    10+ In Stock

    Features and Benefits: Quick check both AC and DC current up to 28 volts with the power on Helps locate shorts or breaks in wi...

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    Original price $8.72
    Original price $8.72 - Original price $8.72
    Original price $8.72
    Current price $7.58
    $7.58 - $7.58
    Current price $7.58
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  • Original price $44.44
    Original price $44.44 - Original price $44.44
    Original price $44.44
    Current price $38.65
    $38.65 - $38.65
    Current price $38.65

    Dual Polarity Cordless Dc Circuit Tester 3-30V

    K Tool International
    10+ In Stock

    Features and benefits: Xtra Duty Cordless Circuit Tester for quick detection of DC Voltage on autos, trucks and motorcycles from 3-3...

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    Original price $44.44
    Original price $44.44 - Original price $44.44
    Original price $44.44
    Current price $38.65
    $38.65 - $38.65
    Current price $38.65
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  • Original price $25.73
    Original price $25.73 - Original price $25.73
    Original price $25.73
    Current price $22.37
    $22.37 - $22.37
    Current price $22.37

    Equus Products Smart Test Light

    Equus Products
    10+ In Stock

    Features and Benefits Designed to safely check voltage and/or ground on several electronic systems, including wiring, fuses, batt...

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    Original price $25.73
    Original price $25.73 - Original price $25.73
    Original price $25.73
    Current price $22.37
    $22.37 - $22.37
    Current price $22.37
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  • Original price $64.77
    Original price $64.77 - Original price $64.77
    Original price $64.77
    Current price $56.33
    $56.33 - $56.33
    Current price $56.33

    Fluke Low Voltage Detector 20-90 Vac

    Fluke
    Only 10 left!

    Low Voltage Detector Full Specifications UPC...

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    Original price $64.77
    Original price $64.77 - Original price $64.77
    Original price $64.77
    Current price $56.33
    $56.33 - $56.33
    Current price $56.33
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  • Original price $13.81
    Original price $13.81 - Original price $13.81
    Original price $13.81
    Current price $12.01
    $12.01 - $12.01
    Current price $12.01

    K Tool International Circuit Tester Heavy Duty 6 Or 12 Volt

    K Tool International
    10+ In Stock

    Features and Benefits: Tester features 5' heavy duty flexible wire, ground clips, tempered probe and replacement bulb Works in 6 or ...

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    Original price $13.81
    Original price $13.81 - Original price $13.81
    Original price $13.81
    Current price $12.01
    $12.01 - $12.01
    Current price $12.01
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  • Original price $18.38
    Original price $18.38 - Original price $18.38
    Original price $18.38
    Current price $15.99
    $15.99 - $15.99
    Current price $15.99

    Lisle Circuit Tester Up To 12 Volt Heavy Duty

    Lisle
    10+ In Stock

    Features and Benefits: A heavy duty circuit tester for lifetime use The probe, handle, cord and clamp are reinforced for extra...

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    Original price $18.38
    Original price $18.38 - Original price $18.38
    Original price $18.38
    Current price $15.99
    $15.99 - $15.99
    Current price $15.99
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  • Original price $35.42
    Original price $35.42 - Original price $35.42
    Original price $35.42
    Current price $30.80
    $30.80 - $30.80
    Current price $30.80

    Milwaukee Tool Cat Iv 1000Vvage Detector Led

    Milwaukee Tool
    Only 2 left!

    Features and Benefits: Extra bright LED work light makes working in dark areas easier than ever CAT IV 1000V safety rating is safe f...

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    Original price $35.42
    Original price $35.42 - Original price $35.42
    Original price $35.42
    Current price $30.80
    $30.80 - $30.80
    Current price $30.80
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  • Original price $282.84
    Original price $282.84 - Original price $282.84
    Original price $282.84
    Current price $245.96
    $245.96 - $245.96
    Current price $245.96

    Nudi Circuit (Continuity) Tester Kit With Lvds Adapter

    Nudi
    10+ In Stock

    Introducing the new Circuit Continuity Tester available from Rotunda. This new tool allows you to connect into today’s smaller electr...

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    Original price $282.84
    Original price $282.84 - Original price $282.84
    Original price $282.84
    Current price $245.96
    $245.96 - $245.96
    Current price $245.96
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  • Original price $229.43
    Original price $229.43 - Original price $229.43
    Original price $229.43
    Current price $199.50
    $199.50 - $199.50
    Current price $199.50

    Nudi Usb Adapter Set For 420-912 Continuity Tester

    Nudi
    10+ In Stock

    USB Adapter Set for 420-912 Circuit (Continuity) Tester Full Specifications ...

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    Original price $229.43
    Original price $229.43 - Original price $229.43
    Original price $229.43
    Current price $199.50
    $199.50 - $199.50
    Current price $199.50
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  • Original price $175.07
    Original price $175.07 - Original price $175.07
    Original price $175.07
    Current price $152.23
    $152.23 - $152.23
    Current price $152.23

    Power Probe Iii Blue

    Power Probe
    10+ In Stock

    Features and Benefits: Power Probe III Circuit Test Kit supplies power and ground for functional component testing; Tests for bad g...

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    Original price $175.07
    Original price $175.07 - Original price $175.07
    Original price $175.07
    Current price $152.23
    $152.23 - $152.23
    Current price $152.23
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  • Original price $141.80
    Original price $141.80 - Original price $141.80
    Original price $141.80
    Current price $123.30
    $123.30 - $123.30
    Current price $123.30

    Power Probe Iii Clamshell Blu

    Power Probe
    10+ In Stock

    Power Probe III Circuit Tester - Clamshell Blue Full Specifications ...

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    Original price $141.80
    Original price $141.80 - Original price $141.80
    Original price $141.80
    Current price $123.30
    $123.30 - $123.30
    Current price $123.30
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  • Original price $8.23
    Original price $8.23 - Original price $8.23
    Original price $8.23
    Current price $7.15
    $7.15 - $7.15
    Current price $7.15

    Sg Tool Aid Circuit Tester Check Point 6 & 12 Volt

    Sg Tool Aid
    10+ In Stock

    Features and Benefits: By far the largest selling and most widely used automotive circuit tester Quickly checks all 6 and 12 ...

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    Original price $8.23
    Original price $8.23 - Original price $8.23
    Original price $8.23
    Current price $7.15
    $7.15 - $7.15
    Current price $7.15
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  • Original price $23.01
    Original price $23.01 - Original price $23.01
    Original price $23.01
    Current price $20.01
    $20.01 - $20.01
    Current price $20.01

    Sg Tool Aid Circuit Tester W/Retract Wire & Long Probe

    Sg Tool Aid
    Only 4 left!

    Features and Benefits: Features an extra long wire that stretches up to 12 feet for use, then automatically retracts Quickly an...

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    Original price $23.01
    Original price $23.01 - Original price $23.01
    Original price $23.01
    Current price $20.01
    $20.01 - $20.01
    Current price $20.01
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  • Original price $16.51
    Original price $16.51 - Original price $16.51
    Original price $16.51
    Current price $14.35
    $14.35 - $14.35
    Current price $14.35

    Sg Tool Aid Circuit Tester W/Retractable Wire Heavy Duty

    Sg Tool Aid
    10+ In Stock

    Features and Benefits: Features an extra long wire that stretches up to 12 feet for use, then automatically retracts Great for...

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    Original price $16.51
    Original price $16.51 - Original price $16.51
    Original price $16.51
    Current price $14.35
    $14.35 - $14.35
    Current price $14.35
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  • Original price $10.00
    Original price $10.00 - Original price $10.00
    Original price $10.00
    Current price $8.70
    $8.70 - $8.70
    Current price $8.70

    Sg Tool Aid Lifetime Heavy Duty 6 Or 12 Volt Circuit Tester

    Sg Tool Aid
    10+ In Stock

    Features and Benefits: The best quality electrical circuit tester available for checking 6 and 12 volt systems Has heavy duty b...

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    Original price $10.00
    Original price $10.00 - Original price $10.00
    Original price $10.00
    Current price $8.70
    $8.70 - $8.70
    Current price $8.70
    Sale Sale
  • Original price $18.59
    Original price $18.59 - Original price $18.59
    Original price $18.59
    Current price $16.17
    $16.17 - $16.17
    Current price $16.17

    Sg Tool Aid Probe Logic Hd Automotive

    Sg Tool Aid
    Only 3 left!

    Features and Benefits: Tests high and low voltages (power and ground) on 6, 12 and 24 volt systems. High impedance; current...

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    Original price $18.59
    Original price $18.59 - Original price $18.59
    Original price $18.59
    Current price $16.17
    $16.17 - $16.17
    Current price $16.17
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  • Original price $204.57
    Original price $204.57 - Original price $204.57
    Original price $204.57
    Current price $177.89
    $177.89 - $177.89
    Current price $177.89

    Test Light 6-12-24-42 Volt Sst

    Waekon Industries
    Only 1 left!

    Electronic LED Test Light Full Specifications ...

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    Original price $204.57
    Original price $204.57 - Original price $204.57
    Original price $204.57
    Current price $177.89
    $177.89 - $177.89
    Current price $177.89
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  • Original price $26.68
    Original price $26.68 - Original price $26.68
    Original price $26.68
    Current price $23.20
    $23.20 - $23.20
    Current price $23.20

    Thexton Extended Back Probed Spoons

    Thexton
    Only 9 left!

    Features and Benefits: 1 foot lead wire. Non-piercing. Made in USA The Thexton Extended Back Probe Spoons, No. 914X, are specially ...

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    Original price $26.68
    Original price $26.68 - Original price $26.68
    Original price $26.68
    Current price $23.20
    $23.20 - $23.20
    Current price $23.20
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FAQ

When will my order ship?

Orders placed before 5 P:M EST, qualify for same-day shipping.

Do you still sell out of stock items?

Yes, we can sell out-of-stock and discontinued items.

How long is the delivery period?

Most orders will be delivered within 1-3 business days.