3 wire rectifier question

[Gary H NC]

After testing the rectifier that had no ohm reading i ordered the replacement.
The new one is made by CDI. It has one red and two yellow wires.The old one had one red,one yellow and one yellow with a stripe.
Does it matter that the new one has two solid yellow wires?
I assume it does not matter which way they hook up as long as the red is in the correct spot.

 

[Silvertip]

Re: 3 wire rectifier question

No - those are in an AC circuit so polarity is not an issue.

 

[Gary H NC]

Re: 3 wire rectifier question

Thanks Silvertip! Just wanted to be sure.

 

[Gary H NC]

Re: 3 wire rectifier question

Put it in and it went from 12.4 volts at 2000 rpm to 13.5 volts.
Is that enough of a charge for a 1981 175 hp? Or do i have other issues?

 

[BoatBuoy]

Re: 3 wire rectifier question

13.5 sounds about right. 13.8 is typical charge voltage and yours might be there at higher RPM.

 

[Gary H NC]

Re: 3 wire rectifier question

Thanks BoatBuoy....I will check it out on the water. My fish finder will read voltage and i'll carry my meter too..

 

[F_R]

Re: 3 wire rectifier question

Since that is an unregulated system, you will find great fluctuations in the voltage. After a long run, it can go way up to around 16 volts, depending on battery and load, etc.