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'.
If I'm dating the motor right it's a 79 Mercury 70hp. It came on an 81 Sea Nymph boat I bought. I was told it had good compression and it looks like it's in decent shape to me. The issue is the wiring harness has corroded where some of the wires are falling apart. When I look at parts diagrams...