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Home » Public Forums » GMCnet » [GMCnet] I give up. (Onan)
Re: [GMCnet] I give up. (Onan) [message #190436 is a reply to message #190423] Thu, 15 November 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
On Thu, Nov 15, 2012 at 7:19 PM, Robin Hood <loxley@gmail.com> wrote:
> Is there a failure mode that includes backfires and the 5 amp fuse blowing?
>


http://youtu.be/Oz_ZPHdO3FE

Summary:

1. Ok, no more drinking.
2. I started the generator, removed the jumpers, and just as I was
about to put the meter on pins 8 and 11, the generator started to die,
and then died with a spectacular backfire. You can see the glow of the
fireball coming out the exhaust pipe.
3. Soon after this, likely due to either the backfire or due to me
poking around with my meter trying to make sure I got onto pins 8 and
11, I noticed the 5 amp fuse was blown.
4. I found 1 wire on the VR that had continuity with wire number 8,
another wire on the VR with continuity going to the now-empty fuse
holder ("B-pos), and one wire on the VR that I don't know where
terminates. There is not continuity between any wire and the wire
currently connected to pin 8 on the board.
5. Jumpering the board no longer even causes the fuel pump to run.

I believe the same thing would have happened had I just been drinking
a coke, but, yeah, lesson learned.

--
Robin Hood
Jackson, MS
2003 Buick Lesabre
1968 Pontiac Catalina
1978 GMC Royale motorhome
1977 GMC Palm Beach motorhome
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