Lowest Prices
up to 60% off
Same Day Shipping
on most orders
30 Day Money
Back Guarantee
Spark Plug Testers
Result Pages:
Filter by Brand:
OTC Tools & Equipment 6589 Electronic Ignition Spark Tester
A quick way to check no-start cars for ignition problems. Simply unplug the plug wire, connect it to the 6589, clamp the tester to a good engine ground, crank the engine and watch for a spark.
Lisle 19380 Spark Tester
Tests spark plugs, spark plug wires and coils without puncturing the wire. With the engine running, place the grooved end of the tool over the plug wire. The bulb will flash to indicate spark.
Lisle 20610 Inline Spark Tester
Gives a Visual Check of the Ignition System. Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90 boot on one tool. With the engine …
Lisle 50850 Ignition Spark Tester
A handy tool to check ignition spark without removing the spark plug. Tool is specially calibrated to measure ignition voltage. Works on both standard and electronic ignition systems. Easy to use. Simply adjust calibration screw to proper gap size. A…
Lisle 51500 Spark Plug Wire Puller
Helps pull plug wires quickly and easily without damage to wire or rubber protectors. Helps prevent shock.
S & G Tool Aid 23920 90 Boot, In-Line Ignition Spark Checker
Use to quickly trouble shoot ignition system. Device is "hands-free". Connects in-line between spark plug and spark plug wire. Shows a duplicate view of the ignition spark. Technician can visually check condition of ignition system at each cylinder. …
S & G Tool Aid 23970 In-Line Spark Checker Kit for Recessed Plugs
Troubleshoot virtually all domestic and imported cars, SUV's, and trucks Use for testing newer vehicles with recessed spark plugs and conventional and coil-on plug ignition systems Flashing bulb indicates ignition or fuel delivery problems Provide…
S & G Tool Aid 36350 In-Line Spark Checker for Recessed Spark Plugs, Noid Lights and Idle Air Control (IAC) Test Kit
Use to test spark plug circuits, electronic fuel injection signals and idle air control circuits. Quickly diagnose "no start_ and engine misses conditions in the electrical fuel injection and spark plug circuits. Analyze rough running engines. …
Thexton 458 Coil-On Plug Spark Tester
For ignition systems with coil-on plugs, including Ford, Chrysler, Mitsubishi, Nissan and more. Quick way to test for no-start conditions. Gap adjusts from 0 to 40kV. 12 ground wire.
Lisle 26900 Spark Plug Wire Tester
Quickly Locate Faulty Plug Wires. No Shock Hazard. Now you can check spark plug wires without piercing the wires. Light flashes indicating sound wire.
GearWrench 2649 Circuit and Spark Plug Tester
Checks 6 and 12V circuits for voltage and checks spark plug for spark.Place probe in end with regular bulb to check low voltage. Checks headlights, taillights, turn signals and other circuits. Tests for faultysockets, connections and broken wires. Pl…
GearWrench 2756 HEI Ignition Tester
HEI Ignition Tester is Calibrated for High-Energy Systems Accurately check for spark in ignition systems without removing spark plug from engine. Testers verify that energy is sufficient for spark plug to fire. Attach spark plug wire to tester e…
Result Pages: