Skip Content

Circuit Testers

25 results found that include 25 products

Quickly diagnose and troubleshoot breaks in automotive electrical connections with circuit testers from Grainger. The test light checks the grounding point of circuits if the positive path is intact.Close

Filter Results By

Viewing as

List
  • 600/1000V Twin Jumper Leads; For Use On Electrical
    600/1000V Twin Jumper Leads; For Use On Electrical
    • OTC
    • Item # 52VH40
    • Mfr. Model # 3902
    • Twin Jumper Leads, For Use On Electrical Circuits, Voltage Range 600/1000V, Includes Hi-Visibility Black and...More

  • 12/24V Circuit Tester; For Use On Electrical Circuits
    12/24V Circuit Tester; For Use On Electrical Circuits
    • OTC
    • Item # 45NU89
    • Mfr. Model # 3642
    • Circuit Tester, For Use On Electrical Circuits, Voltage Range 12/24V, Display Bulb, Visual/Audible Indicators...More

  • 6/12V Circuit Tester; For Use On Electrical Circuits
    6/12V Circuit Tester; For Use On Electrical Circuits
    • OTC
    • Item # 45NU91
    • Mfr. Model # 3634
    • Circuit Tester, For Use On Electrical Circuits, Voltage Range 6/12V, Display Bulb, Visual/Audible Indicators...More

  • 6/12/18/24/36V Circuit Tracer Kit; For Use O
    6/12/18/24/36V Circuit Tracer Kit; For Use O
    • TM

      Grainger Choice

    • WESTWARD
    • Item # 1EKN5
    • Mfr. Model # 1EKN5
    • Circuit Tracer Kit, Voltage Range 18/24/36V, For Use On Battery, Receiver to Transmitter Distance 4 Ft,...More

  • Circuit Tester
    Circuit Tester
    • GEARWRENCH
    • Item # 11U414
    • Mfr. Model # 3984
    • Circuit Tester, Capacity 24 V, Voltage (DC) 24, Used For Testing Circuits

  • 12VDC 7 Round Pin Towing Maintenance Kit; For Use
    12VDC 7 Round Pin Towing Maintenance Kit; For Use
    • IPA
    • Item # 18M479
    • Mfr. Model # 8029
    • 7 Round Pin Towing Maintenance Kit, For Use On Truck and Trailer Connectors, Voltage Range 12VDC, Includes 7...More

  • 3/26V Circuit Tester; For Use On Electrical Circuits
    3/26V Circuit Tester; For Use On Electrical Circuits
    • OTC
    • Item # 45NU88
    • Mfr. Model # 3631
    • Circuit Tester, For Use On Electrical Circuits, Voltage Range 3/26V, Display LED Indicator, Visual/Audible...More

  • 6/12V Circuit Tester; For Use On Electrical Circuits
    6/12V Circuit Tester; For Use On Electrical Circuits
    • OTC
    • Item # 45NU92
    • Mfr. Model # 3636
    • Circuit Tester, For Use On Electrical Circuits, Voltage Range 6/12V, Display Bulb, Visual/Audible Indicators...More

  • 600VAC/DC Multi-Purpose Connector; For Use On Vehicle
    600VAC/DC Multi-Purpose Connector; For Use On Vehicle
    • TM

      Grainger Choice

    • WESTWARD
    • Item # 1EKN6
    • Mfr. Model # 1EKN6
    • Multi-Purpose Connector, Voltage Range 600VAC/DC, For Use On Vehicle Diagnosis, Includes Connectors, Probe,...More

  • 6/12/24V Circuit Tester; For Use On Battery
    6/12/24V Circuit Tester; For Use On Battery
    • TM

      Grainger Choice

    • WESTWARD
    • Item # 1EKN8
    • Mfr. Model # 1EKN8
    • Circuit Tester, Voltage Range 6/12/24V, For Use On Battery, Receiver to Transmitter Distance 4 Ft, Display...More

  • 12VDC 7 Flat (Spade) Pin Towing Maintenance Kit;&
    12VDC 7 Flat (Spade) Pin Towing Maintenance Kit;&
    • IPA
    • Item # 6GDP2
    • Mfr. Model # 8028
    • Spade Pin Circuit Tester 7 Way, Voltage Range 12VDC, For Use On Energized Trailer Terminals, Visual/Audible...More

  • 6/12V Circuit Tester; For Use On Electrical Circuits
    6/12V Circuit Tester; For Use On Electrical Circuits
    • OTC
    • Item # 45NU90
    • Mfr. Model # 3633
    • Circuit Tester, For Use On Electrical Circuits, Voltage Range 6/12V, Display Bulb, Visual/Audible Indicators...More

  • 6/12V Circuit Tester; For Use On Electrical Circuits
    6/12V Circuit Tester; For Use On Electrical Circuits
    • OTC
    • Item # 45NU93
    • Mfr. Model # 3639
    • Circuit Tester, For Use On Electrical Circuits, Voltage Range 6/12V, Display Bulb, Visual/Audible Indicators...More

  • 12/24V Jumper Lead; For Use On Electrical Circuits
    12/24V Jumper Lead; For Use On Electrical Circuits
    • OTC
    • Item # 52VH41
    • Mfr. Model # 3903
    • Jumper Lead, For Use On Electrical Circuits, Voltage Range 12/24V, Includes Headlight and Taillight, Voltage...More

  • 12VDC 6 Round Pin Towing Maintenance Kit; For Use
    12VDC 6 Round Pin Towing Maintenance Kit; For Use
    • IPA
    • Item # 6GDP1
    • Mfr. Model # 8027
    • Circuit Tester 6 Pole, Voltage Range 12VDC, For Use On Energized Trailer Terminals, Visual/Audible Indicators...More

  • 48VDC, 10 sec. max. Automotive Mini Fuse Adapter; For&
    48VDC, 10 sec. max. Automotive Mini Fuse Adapter; For&
    • EXTECH
    • Item # 40JZ56
    • Mfr. Model # AUT-TLM
    • Automotive Mini Fuse Adapter, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Includes...More

  • 48VDC, 10 sec. max. Automotive 30A Current Tester; For
    48VDC, 10 sec. max. Automotive 30A Current Tester; For
    • EXTECH
    • Item # 40JZ61
    • Mfr. Model # AUT30
    • Automotive 30A Current Tester, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Display LCD,...More

  • 12VDC 4/5 Pin Towing Maintenance Kit; For Use On&
    12VDC 4/5 Pin Towing Maintenance Kit; For Use On&
    • IPA
    • Item # 6GDP0
    • Mfr. Model # 8026
    • Circuit Tester 4 And 5 Pin, Voltage Range 12VDC, For Use On Energized Trailer Terminals, Visual/Audible...More

  • 48VDC, 10 sec. max. Automotive 80A Current Tester; For
    48VDC, 10 sec. max. Automotive 80A Current Tester; For
    • EXTECH
    • Item # 40JZ66
    • Mfr. Model # AUT80
    • Automotive 80A Current Tester, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Display LCD...More

  • 48VDC, 10 sec. max. Automotive 30A Current Tester; For
    48VDC, 10 sec. max. Automotive 30A Current Tester; For
    • EXTECH
    • Item # 40JZ62
    • Mfr. Model # AUT30M
    • Automotive 30A Current Tester, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Display LCD,...More

  • 48VDC, 10 sec. max. Automotive ATC Fuse Adapter; For&#
    48VDC, 10 sec. max. Automotive ATC Fuse Adapter; For&#
    • EXTECH
    • Item # 40JZ55
    • Mfr. Model # AUT-TL
    • Automotive ATC Fuse Adapter, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Includes...More

  • 48VDC, 10 sec. max. Automotive 20A Current Tester; For
    48VDC, 10 sec. max. Automotive 20A Current Tester; For
    • EXTECH
    • Item # 40JZ60
    • Mfr. Model # AUT20M
    • Automotive 20A Current Tester, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Display LCD,...More

  • 48VDC, 10 sec. max. Automotive 30A Current Tester; For
    48VDC, 10 sec. max. Automotive 30A Current Tester; For
    • EXTECH
    • Item # 40JZ63
    • Mfr. Model # AUT35
    • Automotive 30A Current Tester, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Display LCD...More

  • 48VDC, 10 sec. max. Automotive 20A Current Tester; For
    48VDC, 10 sec. max. Automotive 20A Current Tester; For
    • EXTECH
    • Item # 40JZ59
    • Mfr. Model # AUT20
    • Automotive 20A Current Tester, For Use On Vehicle Diagnosis, Voltage Range 48VDC, 10 sec. max., Display LCD,...More

  • 6/12VDC Circuit Tester; For Use On Battery
    6/12VDC Circuit Tester; For Use On Battery
    • QUICK CABLE
    • Item # 49EK19
    • Mfr. Model # BVA-230
    • Circuit Tester, For Use On Battery, Voltage Range 6/12VDC, Display LCD, Visual/Audible Indicators LCD...More

View More
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More