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Old 05-14-2022, 11:50 PM
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ndutton ndutton is offline
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It connects to an AC tap in the alternator. It's my sincere recommendation that a good alternator shop install the AC tap for you with an eye on maintaining your ignition proof integrity. After that is done, the alternator reinstalled and the tach wire attached to the AC tap, you'll need a digital photo sensor tachometer tool (here's the one I have ) to calibrate your new tach.
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Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
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