I have a 1989 boat with a Mercruiser 3.7 motor that I just purchased a couple of months ago. I have had the boat out on the lake about 7 or 8 times and it runs great. However, at a RPM just above idle (maybe 1500 to 2000) I have this ringy or tingy kind of noise towards the rear of the motor. I...
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Two weekends ago I purchased a 1989 Wellcraft with Mercruisers 3.7 engine. All seemed well until this weekend when I installed a fish finder. While I was running down the lake I got a message on the fish finder that input voltage was too high . This caused me to pay attention to my in...
