Recently the oil pressure gauge started jumping all over the place. I suspected the sensor and was able to put my hands on it and I can spin the black plug about 180 degrees back and fourth really easily. I would assume that plug should not be able to spin but maybe I'm wrong. Is that a clip style plug or does it simply pull off? I can't see it very well to see if there are tabs to disconnect it. I moved the plug back and fourth a few times and pushed it in and started the boat and the gauge read like it use to for 10 minutes then began bouncing again. I assume that connector is vibrating while running and not getting a steady connection. The gauge was tested and works fine. I have manual 24 to test it but just need to know how to remove the plug first. Thank you.