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'.
Have a 1978 Evinrude 85HP (model 85899C) that I’ve been working on. Runs like a new engine, however I can’t get the tachometer to work correctly.
The boat (1978 Ray Craft V150) originally had an Aqua Meter two-wire tachometer which was in disrepair (physically broken). Replaced it with a...