CDI Electronics414-2770 Mercury/Mariner Wiring Harness - 2/4/6 Cyl. (1966-1981)

If you the motor with rotten wire harness this is the answer. Way easier than trying to fix the old one

quick shipping, good value

The old harness was terribly corroded. This product arrived quickly and in perfect condition. I used it on a 1980 85hp Mariner. This product was not an exact match, but installation was simple. The wires color code perfectly so just detach the old and attach the new. Power pack has clear color coding. There are a couple extra (i.e. tachometer) and the plug didn't match. If you order this for a similar motor, then you must order the corresponding boat harness or they won't plug into each other. If the wires and insulation were slightly thicker, then I would have given it 5 stars.

This is not a exact match,,,the retaining bracket is made differently and thus not as secure as original.

Put one in my 1971 merc 500 because my old one was shot. It was easy to install and it looks good, but be prepared to loom and tie up all the wiring because every wire is like 6” longer than the stock harness, which is super annoying. But other than that, it’s great

This was exactly what we needed! The description good and for our 76 115hp L6 Mercury outboard. Thanks!

I was skeptical about ordering this because of the negative reviews.The plug fits into the boat wiring harness perfectly and everything is marked for easy installation.

Worked great on 1978 mercury 1150