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Home » Public Forums » GMCnet » Generator runs but no 120 (Replacing the bridge rectifier on Onan Marquis 7K)
Generator runs but no 120 [message #212468] Thu, 27 June 2013 08:17 Go to next message
xplorid is currently offline  xplorid   United States
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Registered: February 2012
Location: Boise
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Senior Member
Lost 120 V when the Onan stalled as I turned on AC #2. Guessing it is the bridge rectifier based on searches here. Ordered KBPC3510 and they are on their way.

Now, my GMC II has the Onan Marquis 7K, I am assuming it is the same set up as 6K, but maybe not. What I do know is that the gen is not on a slide out, it is bolted down. So, can I get to the BR from underneath? Or maybe get a jack under the Onan, unbolt and slide out? Any suggestions on the least painful way to replace a $2.57 rectifier?

Thanks.


1974/94 GMCII by Explorer Manny 6.5 TD Al radiator 1 ton front 4 bags back
Re: [GMCnet] Generator runs but no 120 [message #212487 is a reply to message #212468] Thu, 27 June 2013 10:14 Go to previous messageGo to next message
jimk is currently offline  jimk   United States
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Registered: July 2006
Location: Belmont, CA
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Senior Member
Get me the complete model # and I will see if we can assist you.
The newer units gives out codes to let you know what is wrong,

On Thu, Jun 27, 2013 at 6:17 AM, jeff sugheir <jeff.sugheir@gmail.com>wrote:

>
>
> Lost 120 V when the Onan stalled as I turned on AC #2. Guessing it is the
> bridge rectifier based on searches here. Ordered KBPC3510 and they are on
> their way.
>
> Now, my GMC II has the Onan Marquis 7K, I am assuming it is the same set
> up as 6K, but maybe not. What I do know is that the gen is not on a slide
> out, it is bolted down. So, can I get to the BR from underneath? Or maybe
> get a jack under the Onan, unbolt and slide out? Any suggestions on the
> least painful way to replace a $2.57 rectifier?
>
> Thanks.
> --
> 1973/94 GMCII in Boise 76 455 with headers & Patterson distributor,1 ton
> front, 4 bags back, Precision Steering Gearbox
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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>



--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
Re: [GMCnet] Generator runs but no 120 [message #212590 is a reply to message #212487] Fri, 28 June 2013 01:36 Go to previous message
Ken Burton is currently offline  Ken Burton   United States
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
Senior Member
jimk wrote on Thu, 27 June 2013 10:14

Get me the complete model # and I will see if we can assist you.
The newer units gives out codes to let you know what is wrong,



How is that for quick support from your GMC/Onan dealer?


Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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