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Re: [GMCnet] ONAN starting [message #320885 is a reply to message #320863] Sun, 23 July 2017 09:53 Go to previous messageGo to previous message
Ken Henderson is currently offline  Ken Henderson   United States
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
Senior Member
OK, I've removed the erroneous ground connection from Pin 8. The revised
diagram is here:

https://drive.google.com/file/d/0B3XquSIYjDleeFphNGM1OXZKd1k/view?usp=sharing

Eventually I'll get that version "KH Onan Wiring 170723" onto GMCMHPhotos
to replace "KH Onan Wiring 170604", but I'm having trouble right now.

Ken H.


On Sat, Jul 22, 2017 at 11:51 PM, Ken Henderson
wrote:

> Bill,
>
> You're absolutely correct: My latest version is WRONG! I guess when I
> looked at the OEM diagram and eliminated the Voltage Regulator, I ignored
> that the SCR in the VR was isolating that point from ground.
>
> I'll revise and publish that tomorrow. Gosh, I hope that's the last one!
> I think my four score years mean I should give up this sort of thing. :-(
> Y'All keep looking for errors -- and consider assuming this task.
>
> Ken H.
>
>
> On Sat, Jul 22, 2017 at 9:32 PM, Bill Wevers wrote:
>
>> Mr. Henderson,
>> I believe your original schematic was correct, with respect to Pin 8.
>> When I look at PIN 8 on my Onan board, it does not connect to GND.
>> That's the 30V generator output being rectified by CR1 and filtered by R1
>> C1.
>>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
 
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