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Old 10-20-2019, 06:37 PM   #8
Island fish lifter
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City: Port alberni
Country: Canada
Join Date: Oct 2019
Posts: 19 that the tachs are working again, the lower helm and the FB tachs are about 300rpm apart. Any way to calibrate them?

there should be "dip switches" on the back of each tach. youll need to verify the actual engine rpm with a photo tack, and see which tach is giving you a proper reading, then set the dip switches on the other one to match
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