Circuit Testers

  • Lisle 28640 Ultimate Circuit Tester Kit

    Lisle 28640 Ultimate Circuit Tester Kit
    $43.95 $29.45

    Heavy Duty Tester Signals With A Light And Buzzer. The tester kit tests low voltage up to 28 volts. Also finds electrical shorts checks polarity detects battery drain and checks circuits from a distance. Heavy-duty coil cord extends over 8 feet...

  • Lisle 55700 Master Fuel Inj Kit

    Lisle 55700 Master Fuel Inj Kit
    $499.95 $349.97

    Lisle 55700 MASTER FUEL INJ TEST KIT Features and Benefits: Test All Types of Fuel Injection Systems. Set checks fuel pressure on most Port Fuel Injection (PFI) and Throttle Body Injection (TBI) systems.  Comes with a variety of adapters and gauges...

  • Lisle 56810 Relay Test Jumper Kit

    Lisle 56810 Relay Test Jumper Kit
    $79.95 $53.57

    Lisle 56810 RELAY TEST JUMPER KIT Features and Benefits: Set of Four Relay Test Jumpers Make Testing Relays or Live Circuits Quick and Easy. Set includes four jumpers to fit the most popular size relays on domestic and import vehicles.  Simply...

  • Lisle 60610 Relay Test Jumper Set II

    Lisle 60610 Relay Test Jumper Set II
    $79.95 $53.57

    Lisle 60610 RELAY TEST JUMPER KIT#2 Features and Benefits: Set makes testing relays or live circuits quick and easy. Set includes four jumpers to fit many popular relays on Honda, Nissan, Toyota, newer Ford and GM mini micro relays as well as...

  • Lisle 69250 Fused Power Switch With Leads

    Lisle 69250 Fused Power Switch With Leads
    $49.95 $33.47

    Lisle 69250 TERMINAL LEAD KIT Features and Benefits: Provides easy access to check current or voltage on nearly all of the fuses and relays used on vehicles today Includes five pairs of terminal lead wires with different size male and female spade...

  • Lisle 69300 Master Relay Set W/Leads Switch Fuse Power

    Lisle 69300 Master Relay Set W/Leads Switch Fuse Power
    $249.95 $167.47

    Lisle 69300 MASTER RELAY CIRCUIT TEST KIT Features and Benfits: Kit Makes Testing Relays or Live Circuits Quick and Easy. Includes 8 Jumpers to fit most popular relays.  Includes Test Lead Kit for easily and securely connecting Relay Test Jumpers...