Recticfier or regulator

[SweeperForce]

Hello,
I posted this on the electic section and was told to post under motor specific section. I got alot of different answers so I thought I'd ask the experts. Is this part a recticfier or a regulator.



Thanks,
Tom

 

[PaulO]

Re: Recticfier or regulator

That looks like one. The two yellow wires from the stator will run into that box then a red wire should run down to the battery side of the starter relay and recharges the battery. If there is a grey wire it serves as the tachometer sync. If it doesn't have a grey wire you can pick up a sync from either of the yellow AC stator wires (yellow.)

If it is U/S then goto the sticky at the top of this section about Over voltage. I bought one and it is working fine.

 

[Frank Acampora]

Re: Recticfier or regulator

Simply put a voltmeter on the red lead to the battery. If it reads 13 -14 volts, that is a regulator. If it reads around 16 volts, then that is simply a rectifier with no voltage control.

It does appear to be a retro-fit part as the 89 engines all had a black square rectifier standard.

 

[SweeperForce]

Re: Recticfier or regulator

My problem is I'm not even getting a charge, no matter my engine speed my volts are 12.5. This is a freshly charged battery I charged at my house. From cranking the volts droped from 13.5(at my house) to 12.5 with motor running. It stayed at 12.5v the whole 2 hours trip. So should I replace the regulator rectifier? All I want is a battery that gets charged while I'm boating, I will takle the tach not working later. Heck, maybe they the regulator rectifier will fix both.

Thanks,
Tom

 

[pnwboat]

Re: Recticfier or regulator

You need to determine if the stator or the regulator/rectifier or maybe both are bad or good. Check the A.C. output from the stator to the rectifier/regulator. You should see about 16 volts A.C. at 2000+ RPM's. If you see approx. 16 volts, then replace the rectifier/regulator. If you don't see 16 volts, disconnect one of the stator wires and read between both stator wires. You should read almost a dead short...about .6 ohms. If you don't then the battery charging winding in the stator is bad.

 

[RRitt]

Re: Recticfier or regulator

I seriously doubt it is a rectifier. The mounting and packaging are inferior to a standard square bridge which sells for about $4 ea. Why would anyone go to all that trouble to make an inferior product? Therefore it must be something like a snowmobile regulator.

 

[asm_]

Re: Recticfier or regulator

Two yellows goes into the device suggest the device is at least a rectifier. Like someone have mentioned, you can tell if the device also regulate voltage by checking voltage coming off the red output wire. If it fluctuate wildly with RPM change, the device is not regulating.

If you battery is not charging, you need to first check to make sure the rectifier portion of the device is working properly by bench testing it with a multi-meter. CDI's web site has a good documentation on how to do a bench test for a rectifier.

B