Lisle 29500 High-Low Circuit Tester Features Checks Both Low Voltage and Spark Plug Wires. The low-side checks AC and DC current up to 28 volts with power on. The high-side checks spark plug wires without piercing. Complete with insulated clip. ...

Lisle 26250 Circuit Tester Low Circuit Tester. Features  Quick check both AC and DC current up to 12 volts with power on. Helps locate shorts or breaks in wiring. Complete with insulated grounding clip. Optional accessories (Sold separately): ...

Lisle 28440 Bulb and Spring Assy Features Replacement Bulb for Lisle 32900 Heavy Duty Circuit Tester / Jumper. WARNING: Cancer and Reproductive Harm

Lisle 55700 Master Fuel Inj Kit Master Fuel Injection Test Set Features  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...

Lisle 69300 Master Relay Set W/Leads Switch Fuse Power Master Relay & Fused Circuit Test Kit. Features  Kit Makes Testing Relays or Live Circuits Quick and Easy. Includes 8 Jumpers to fit most popular relays. Includes Test Lead Kit for easily...

Lisle 60610 Relay Test Jumper Set II Relay Test Jumper Kit II Features  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...

Lisle 69250 Fused Power Switch With Leads Terminal Leads With Power/Switch/Fuse. Features 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...