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Old 03-25-2014, 10:46 PM   #8
Ski in NC
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City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
If in daylight, if buzzer goes off, hold hand over lights to shade enough to read which one is lit.

The systems I set up use a buzzer only, for simplicity and reliability. If buzzer goes off it is due to one of the following: Low oil pressure, high coolant temp in one of a couple places, high exhaust temp. A gauge scan, check exhaust water flow, a dive in the engine room will identify the issue. Which is what you would do with the lights, anyway.
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