FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I have an 81 carver with twin mercruiser 470's. On one engine the heat gauges in the upper and lower station do not work unless I disconnect one, then the other gauge will work. Both engines have new sending units and both sending units are the same. Can someone help? thanks
