Test the transistor itself, I suspect you'll find it will fail. Grounding the tab of the transistor usually tells you the circuit is all ok to to the coil, but the transistor or possibly the diode behind it is bad.
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Test the transistor itself, I suspect you'll find it will fail. Grounding the tab of the transistor usually tells you the circuit is all ok to to the coil, but the transistor or possibly the diode behind it is bad.
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