Submit A Question about 12V Ignition Timing Gun Machine Timing For Car Motorcycle Auto Diagnostic Tools Light Strobe Detector Car Repair Tool

(Item No. COBD211215)
The power supply 12V red positive, black negative, and power clips should not be reversed. The voltage line induction clip is clamped on the high voltage line of a cylinder. The arrow on the induction clip points to the direction of the spark plug for normal use
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