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 90boot on one tool
With the engine running, the tool flashes a mirror image of ignition spark
Fleet & Automotive, Spark Plug Tools
LISLE 20610 Inline Spark Tester Inline Spark Tester – Each
$21.16
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 0.875 × 0.47917 × 0.125 in |