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1973 onan 4k [message #347251]

Mon, 02 September 2019 21:22

thigh19

Messages: 92
Registered: July 2019
Location: Vancouver Wa

Karma: 1

Member

Bought a 73 GMC sequoia, all is good, except the carb bowl and fuel line is missing from the 4K Onan generator . Bought a replacement carb, Chinese, and there are 2 wires coming out of the bowel. Figuring the black one is ground, but not sure what the power wire hooks up to. Any ideas? Thanx in advance

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Re: 1973 onan 4k [message #347254 is a reply to message #347251]

Mon, 02 September 2019 23:36

Jerry Sitzlar

Messages: 206
Registered: February 2013
Location: Lenoir City, TN

Karma: 4

Senior Member

It is probably a solenoid to shut off the fuel inside the carb when the engine shuts down to prevent raw gas from getting pulled into the exhaust and causing an explosion in the muffler. The red wire would have to be connected to a switched 12vdc. In other words loses the 12 volts when the engine shuts down. Black wire would ground to the engine. You don't have to connect them up. The engine still will run.

I'm curious, is this a truly a form, fit, and function replacement carb? The GMCers would like the name of the manufacturer, model and/or the part number.

Welcome to the group. Sure would like your name and location in case you ever need help.

Jerry

Jerry Sitzlar..... 77 Eleganza II, Twin bed, dry bath...... Lenoir City, TN (near Knoxville)

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Re: [GMCnet] 1973 onan 4k [message #347255 is a reply to message #347254]

Mon, 02 September 2019 23:51

jimk

Messages: 6734
Registered: July 2006
Location: Belmont, CA

Karma: 9

Senior Member

That https://www.gmcrvparts.com/product-p/gm28-28.045c.18.htm

On Mon, Sep 2, 2019 at 9:37 PM Jerry Sitzlar via Gmclist <
gmclist@list.gmcnet.org> wrote:

> It is probably a solenoid to shut off the fuel inside the carb when the
> engine shuts down to prevent raw gas from getting pulled into the exhaust
> and
> causing an explosion in the muffler. The red wire would have to be
> connected to a switched 12vdc. In other words loses the 12 volts when the
> engine
> shuts down. Black wire would ground to the engine. You don't have to
> connect them up. The engine still will run.
>
> I'm curious, is this a truly a form, fit, and function replacement carb?
> The GMCers would like the name of the manufacturer, model and/or the part
> number.
>
> Welcome to the group. Sure would like your name and location in case you
> ever need help.
>
> Jerry
> --
> Jerry Sitzlar.....
> 77 Eleganza II, Twin bed, dry bath......
> Lenoir City, TN (near Knoxville)
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Newark,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

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