Computer Safe Circuit Tester

Features and Benefits: Safe for automotive computers Won’t damage sensitive electronic components Draws less than 21mA at 12 volts DC Operating range 3-28 volts The red light indicates positive polarity, green indicates negative polarity Shipping weight 6ozSafely test circuits anywhere on a vehicle without concern for da....(more info)

Heavy Duty Circuit Tester Up To 28 Volt

Features and Benefits: A heavy duty circuit tester for lifetime use The probe, handle, cord and clamp are reinforced for extra durability Comes with a strain relief spring on the cord Skin-packed Shipping weight 7 oz.Lisle's heavy duty circuit tester quickly tests low voltage up to 28 volts!....(more info)

Circuit Tester up to 28 Volts w/Hooded Probe

25600Handy Hooker Circuit TesterHooded probe protects your fingers and automatically centers the wire. Small size allows easy use even in the tightest places. Quickly test low voltage up to 28 volts. Alligator clip grounds tester. Skin-packed. Shipping wt. 3 oz.....(more info)

High Low Circuit Tester to 28 Volt

29500Hi-Low Circuit TesterChecks both low voltage and spark plug wires. The low-side checks AC and DC current up to 28 volts with an power on. The high-side checks spark plug wires without piercing. Complete with insulated clip. Skin-packed. Shipping wt. 3 oz. ....(more info)

Spark Plug Wire Tester - SUPERCEDED -

26900Spark Plug Wire TesterFeatures and Benefits: Quickly locate faulty plug wires. No shock hazard. Now you can check spark plug wires without piercing the wires. Light flashes indicating sound wire. Skin-packed. Shipping wt. 3 oz. THIS PRODUCT HAS BEEN SUPERCEDED.† PLEASE SEE REPLACEMENT PART NUMBER: LIS19380....(more info)

Spark Indicator

Features and Benefits: Tests spark plugs, spark plug wires and coils without puncturing the wireWith the engine running, place the grooved end of the tool over the plug wireThe bulb will flash to indicate spark.Shipping wt. 1 oz.....(more info)

AC/DC Circuit Tester up to 28Volts

26250Circuit TesterQuick check both AC and DC current up to 28 volts with the power on. Helps locate shorts or breaks in wiring. Complete with insulated grounding clip.Skin packed.Shipping wt. 3 oz.....(more info)

Continuity Tester

26200Continuity Tester Checks continuity on wires, fuses, switches and other electrical systems. Just clip lead to one end of wire in question. Probe other end of wire. If bulb lights up, there is continuity. If bulb fails to light the circuit is open. Not to be used on live circuits or computer sensor feed circuits. Skin-packed. Shipping wt. 3 oz.....(more info)