| [GMCnet] Short [message #342355] |
Sun, 07 April 2019 12:30  |
Kathy and Fred Estabr
Messages: 55
Registered: May 2013
Karma: 0
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Member |
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I am still trying to find my short but no joy yet. I am stopped at trying
the continuity tester at the inlet cable. According to Bob Hendrickson's
GMCES presentation with the coach circuit breakers off ,and the generator
off, the continuity between the round ground pin and the chassis should be
no resistance but I am getting very high resistance. The wiring diagram
from the maintenance manual shows a connection from the plug to the
ground bar and the ground bar is grounded to the frame thus the high
reading . Has anybody else run into this?
Fred Estabrook
76 El
Florence AZ
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| Re: [GMCnet] Short [message #342357 is a reply to message #342355] |
Sun, 07 April 2019 13:33  |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Why are you checking your incoming 120 volt cord, etc. when your 12 volt
engine system is not working? THE ABSOLUTELY FIRST THING THAT YOU SHOULD
DO, is to verify the condition of your batteries, their state of charge,
and the condition of your battery cables. Then follow the 12 volt circuit.
The engine battery is NOT CHARGED from your power cord normally. Only your
House Batteries are. UNLESS THE CIRCUITS HAVE BEEN TAMPERED WITH. That will
give you a place to start.
Jim Hupy
On Sun, Apr 7, 2019, 10:31 AM Kathy and Fred Estabrook via Gmclist <
gmclist@list.gmcnet.org> wrote:
> I am still trying to find my short but no joy yet. I am stopped at trying
> the continuity tester at the inlet cable. According to Bob Hendrickson's
> GMCES presentation with the coach circuit breakers off ,and the generator
> off, the continuity between the round ground pin and the chassis should be
> no resistance but I am getting very high resistance. The wiring diagram
> from the maintenance manual shows a connection from the plug to the
> ground bar and the ground bar is grounded to the frame thus the high
> reading . Has anybody else run into this?
> Fred Estabrook
> 76 El
> Florence AZ
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] Short [message #342358 is a reply to message #342355] |
Sun, 07 April 2019 17:26 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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I went back and read your old post. There we were trouble shooting 12V ststems and now you are on 120VAC. I think your confusion is that on a 76 there are 3 systems. 12V engine , 12V house, and 120VAC house. Please restate your problem so we fan steer a diagnosis.
John Lebetski
Woodstock, IL
77 Eleganza II
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