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Old 05-05-2013, 16:00   #1
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Ford Lehman 120 Tachometer Connection

My tachometer jumps when I turn the ignition but as soon as the engines fires up it goes dead. Any thoughts why this is happening?

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Old 05-05-2013, 17:06   #2
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Re: Ford Lehman 120 Tachometer Connection

Craig, On my FL120 the tach is connected to the alternator but does not start working until it senses the oil pressure gauge showing pressure. So you might start there. Chuck
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