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.
Available Individually:
| Part Number | Description |
|---|---|
| 19370 | High End Bulb |
| 26270 | Low End Bulb |
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