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Home » Public Forums » GMCnet » [GMCnet] Bringing Onan back to life due to impending hurricane
Re: [GMCnet] Bringing Onan back to life due to impending hurricane [message #187275 is a reply to message #187231] Sun, 14 October 2012 21:16 Go to previous messageGo to previous message
Robin Hood is currently offline  Robin Hood   United States
Messages: 1078
Registered: April 2011
Karma:
Senior Member
Yes, the plastic bucket is a field expedient support. I built some GMC
stands that I think will work. Will bring next time.

On Sunday, October 14, 2012, Ken Henderson wrote:

> I wonder which way that thing's gonna spin when it finally fires off? :-)
>
> You need to get some CRC 2-26 or other good electrical contact cleaner and
> wash that board down -- carefully around the switch and the bases of the
> relays. Unplug that 12-pin connector, spray it with 2-26 and reconnect it
> a few times -- it's a prime problem location.
>
> On the opposite side of the engine from the control board is a finned
> voltage regulator, with wires leading toward the ignition coil. There
> should be one wire on one terminal and two on the other. Disconnect them
> and tape them up -- keep the two together. That's the not-needed regulator
> for the Onan-only battery. The A1-12 wire you're tinkering with connects
> to that same flywheel alternator; if the regulator fails, nothing works, so
> you're eliminating that possibility.
>
> I'd find a way to set the Onan on some substantial wooden shoring before
> actually starting it, keeping the engine hoist for suspenders.
>
> Ken H.
>
> On Sun, Oct 14, 2012 at 3:24 PM, Robin Hood wrote:
>
> > http://www.gmcmhphotos.com/photos/g6213-onan-woes.html
> >
> > I now have a GMCMHPHOTOS.COM account whee! :) Took a minute to figure
> > out how to make it go.
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--
Robin Hood
Jackson, MS
2003 Buick Lesabre
1968 Pontiac Catalina
1978 GMC Royale motorhome
1977 GMC Palm Beach motorhome
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