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Old 05-07-2020, 02:00 PM   #6
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Join Date: Jul 2014
Location: Iowa
Posts: 1,449
Default Re: 50 F1 Temp Gauge Malfunctioning

Before you replace the gauge, remove the senders from the head and clean the threads. The original senders use a "pipe thread' to seal. We sometimes find that a sealant was applied to one or both senders caused the loss of the necessary grounding, affecting the operation.
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