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First Post - Wiring 78 Royals Neutral Ground short trips GFI [message #323103]

Fri, 01 September 2017 11:25

Aaron

Messages: 21
Registered: February 2017
Location: Oklahoma

Karma:

Junior Member

Hi everyone,

I bought my Royale in early March, made it to Shawnee (it was just down the road.) I've been working on my coach ('78 rear dinette Royale) as a I can, I've read a lot of posts since then.
I'm posting this because

1. I haven't been able to find the wiring set-up on my coach anywhere else, and I do think it's original
2. Thought someone might have suggestions for modifications to my proposed solutions to my wiring problems
3. Thought I should say hello.

The problem.

My coach trips a GFi shore power outlet when I plug it in. Not too uncommon it seems, so I traced the ground/neutral short down to ...

the onan. The generator grounds to itself - news to me but it seems like whoever originally wired the coach should've known that. :-/

The wiring in my coach is similar to, but not the same as.

http://www.bdub.net/wirediagrams/1977_Coachmen_26RB_Electrical_and_Plumbing_Drawings.pdf

I have sketched out the components and wiring and of my coach.

http://www.gmcmhphotos.com/photos/data/7081/Aaron_Coachmen_1978_Original_House_Wiring.pdf

The problem is that the main breaker for the onan is a single pole breaker, so it doesn't disconnect the neutral wire even when it's off. That combined with "Junction box 3" gives me a ground/neutral short that trips the GFI protected outlet I plug into for shore power.

I've drawn a second set-up that I think resolves the issue, by putting in an 50 Amp auto transfer-switch and getting rid of some of the original equipment, which greatly simplifies the house wiring.

http://www.gmcmhphotos.com/photos/data/7081/Aaron_Coachmen_NEW_House_Wiring1.pdf

This is the simplest solution I can come up with, I really only have to buy the auto transfer-switch, the rest is tearing out things I don't need. And wiring one plug onto the rear AC wire. The PD 9260 isn't essential for the problem I'm having, but as long as I'm in there, I'm going to get rid of the old converter and upgrade to a newer battery charger.

cheers,

Aaron

78 Royale, rear dinette

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[Message index]

		First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Fri, 01 September 2017 11:25
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: lqqkatjon on Fri, 01 September 2017 12:37
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Mr ERFisher on Fri, 01 September 2017 12:47
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Fri, 01 September 2017 15:45
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: mghamms on Fri, 01 September 2017 12:55
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: powerjon on Fri, 01 September 2017 14:49
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Richard Denney on Fri, 01 September 2017 15:06
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Ken Henderson on Fri, 01 September 2017 15:36
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Fri, 01 September 2017 20:29
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Ken Henderson on Fri, 01 September 2017 21:38
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Sat, 02 September 2017 09:09
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Ken Henderson on Sat, 02 September 2017 10:19
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Hal StClair on Sat, 02 September 2017 15:28
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: JShot on Sat, 02 September 2017 21:33
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Sun, 03 September 2017 09:09
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Fri, 01 September 2017 15:38
		Re: First Post - Welcome By: Matt Colie on Fri, 01 September 2017 18:43
		Re: First Post - Welcome By: Aaron on Fri, 01 September 2017 20:33
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: JohnL455 on Fri, 01 September 2017 21:39
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Sat, 02 September 2017 08:41
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Scott Nutter on Sat, 02 September 2017 09:06
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Sun, 03 September 2017 09:23
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Scott Nutter on Sun, 03 September 2017 12:35
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Bullitthead on Sun, 03 September 2017 20:32
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Sun, 03 September 2017 23:07
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: powerjon on Mon, 04 September 2017 08:16
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: powerjon on Sun, 03 September 2017 23:01
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Richard Denney on Mon, 04 September 2017 08:49
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: johnd01 on Mon, 04 September 2017 11:45
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: JohnL455 on Sun, 03 September 2017 09:22
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: JohnL455 on Sun, 03 September 2017 12:52
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Scott Nutter on Sun, 03 September 2017 13:06
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: powerjon on Sun, 03 September 2017 14:09
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Bill Van Vlack on Mon, 04 September 2017 14:26
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Mon, 04 September 2017 21:44
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Bill Van Vlack on Tue, 05 September 2017 13:36
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: johnd01 on Tue, 05 September 2017 14:00
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Bill Van Vlack on Tue, 05 September 2017 14:56
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: thesmith on Tue, 05 September 2017 21:59
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: k2gkk on Wed, 06 September 2017 04:01
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Sun, 24 September 2017 19:47
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Scott Nutter on Sun, 24 September 2017 21:18
		Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI By: dan molnes on Sun, 24 September 2017 21:56
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Aaron on Mon, 25 September 2017 08:50
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: Bullitthead on Tue, 26 September 2017 00:19
		Re: First Post - Wiring 78 Royals Neutral Ground short trips GFI By: jhbridges on Tue, 26 September 2017 08:48

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