Rectifier upgrade for 86 90hp I-6

[ejthomp]

Re: Rectifier upgrade for 86 90hp I-6

That year model may only have the six wire harness which wont have the purple. You can tie the "small" red to the 12+ and it will be on all the time which wont hurt anything other than a couple of mill-volt battery drain.

Thanks!

After contemplating whether to run a wire all the way from the gauges in front to the motor in back, I decided to just jumper the small red wire on the rectifier/regulator to a 12v source on the motor. The little bit of drain on the battery doesn't worry me as I have an isolation switch with two batteries and I normally keep everything off when I'm not operating the boat.


Fired her up and everything looks great...charging, but no high voltage spikes.