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07-31-2019, 09:17 PM
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#1
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Junior Member
Brand: Thor Motor Coach
State: Texas
Posts: 2
THOR #15608
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Electrical mystery
Having an electrical issue on 2015 Thor Tuscany 44MT on the GFI 15 amp circuits. There is only one reset/test outlet in the half bath which I replaced and then removed the replacement wiring direct.
The main bath outlet and the overhead sink outlet are working.
The outlets in bedroom under the tv and outside mounted on the cabinet are dead as well as the outlets in overhead compartment over driver seat and the outlet for the front TV.
Perhaps these outlets burned out as I heard a pop up front when I turned on the front TV.
I have talked to Thor Tech support at length, as well as, a Master Electrician that I know in San Antonio.
The Electrician believes that there must be a loose wire on the neutral side.
I show voltage and amperage at these outlets but they will not power the device that is plugged into the out.
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07-31-2019, 10:15 PM
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#2
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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yep, sounds like a loose wire in one of the outlets, somewhere in the chain... only you can figure this out : )
(that's 'assuming' that all these are on the same GFCI circuit, if not, then it could also go all the way back to the circuit breaker)
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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07-31-2019, 11:12 PM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: 2013 ACE 30.1
State: Alberta
Posts: 1,410
THOR #2631
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Welcome to the forum. Attaching a basic GFCI outlet schematic example which has two downstream common outlets wired to the GFCI Load terminal in order to also ground fault protect them. Of course you could have more than two downstream outlets which sounds perhaps like what you have.
Do you have more than one GFCI outlet (with the reset/test buttons mounted on it/them) in your coach? If yes, then as TurnerFam says you may have more than one GFCI circuit protecting some of the other dead outlets in your coach too. Check all 120VAC breakers are not tripped and that all GFCI receptacles are reset. Breakers can sometimes trip but still look like they are on/up.....if in doubt click them off then on again.
Can you clarify the following:
What did you mean by “I replaced and then removed the replacement wiring direct”
“I show voltage and amperage at these outlets but they will not power the device that is plugged into the out”. Do you mean you can measure 120VAC across the line and neutral terminals of a “dead outlet”, but when you plug a TV into that outlet, the TV won’t work?
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07-31-2019, 11:59 PM
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#4
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,359
THOR #7035
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Quote:
Originally Posted by liz48@me.com
I show voltage and amperage at these outlets but they will not power the device that is plugged into the out.
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How do you show amperage without a load connected?
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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08-01-2019, 03:34 PM
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#5
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Senior Member
Brand: Thor Motor Coach
State: Missouri
Posts: 2,327
THOR #6903
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Quote:
Originally Posted by liz48@me.com
Having an electrical issue on 2015 Thor Tuscany 44MT on the GFI 15 amp circuits. There is only one reset/test outlet in the half bath which I replaced and then removed the replacement wiring direct.
The main bath outlet and the overhead sink outlet are working.
The outlets in bedroom under the tv and outside mounted on the cabinet are dead as well as the outlets in overhead compartment over driver seat and the outlet for the front TV.
Perhaps these outlets burned out as I heard a pop up front when I turned on the front TV.
I have talked to Thor Tech support at length, as well as, a Master Electrician that I know in San Antonio.
The Electrician believes that there must be a loose wire on the neutral side.
I show voltage and amperage at these outlets but they will not power the device that is plugged into the out.
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Are you missing a GFCI some where? I had the TV outlet trip the circuit breaker due to the tech / worker running/wrapping the power cord around the televator mechanism
I do have the GFCI in the 1/2 bath as well but not sure about the master, never any issues so not much help here
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08-02-2019, 01:39 AM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31D
State: Virginia
Posts: 137
THOR #5638
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The outlets that are not working might be associated with an inverter considering their location, near the TVs. Wouldn't hurt to verify the inverter is working properly and the wiring terminals are all tight with good contact.
The GFI in the bathroom normally is only tied to the down stream kitchen counter and exterior outlets where there is the possibility of encountering water and unlikely to be used or associated with the dead outlets as described.
Try cycling all the AC circuit breakers by turning each fully off then back on. If you heard a pop it could have been a short that tripped a breaker but the breaker may not look tripped. Cycling will correct or it will trip a second time which you should feel when you turn back on. Also, if your coach has one, check the inverter which will have small round circuit breakers that will pop out when tripped.
Also, could you describe how you are measuring volts and amps at the dead outlets and how many volts and amps do you see on the meter? If you have volts between the hot and ground but not between the hot and neutral sides of the outlet the problem as described would confirm the Electricians theory of an open neutral.
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2006 Hurricane 31D built on a 2006 Ford F53
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08-02-2019, 12:02 PM
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#7
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Senior Member
Brand: Keystone
Model: Sprinter
State: Florida
Posts: 1,422
THOR #15553
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Quote:
Originally Posted by liz48@me.com
Having an electrical issue on 2015 Thor Tuscany 44MT on the GFI 15 amp circuits. There is only one reset/test outlet in the half bath which I replaced and then removed the replacement wiring direct.
The main bath outlet and the overhead sink outlet are working.
The outlets in bedroom under the tv and outside mounted on the cabinet are dead as well as the outlets in overhead compartment over driver seat and the outlet for the front TV.
Perhaps these outlets burned out as I heard a pop up front when I turned on the front TV.
I have talked to Thor Tech support at length, as well as, a Master Electrician that I know in San Antonio.
The Electrician believes that there must be a loose wire on the neutral side.
I show voltage and amperage at these outlets but they will not power the device that is plugged into the out.
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With the big 44 foot buss, I can guaranty you have 2 or more GFI protection devices. If you heard a pop up front that is when I would start looking. Some have two GFI outlets in the bath. look around. Behind doors. sides of vanity's.
Basement storage areas also are GFI protected. Some coaches have a GFI breaker in the panel. It will have a yellow reset button on it.
I am a 45 year Master Electrician and do not understand "removed replacement wiring direct."
How did you measure amps with out voltage??
There is a GFI outlet on the inverter which probably controls the TV's. Hint hint.
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2011 Keystone Sprinter 323BHS. Retired Master Electrician. All Motor Homes are RV's. All RV's are not Motor Homes.
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08-02-2019, 12:04 PM
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#8
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Since they've got the mystery well-covered: Welcome to the Forum!
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"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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08-05-2019, 01:02 PM
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#9
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Junior Member
Brand: Thor Motor Coach
State: Texas
Posts: 2
THOR #15608
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I had a Mobile Rv Tech who found & identified a junction box located in underneath storage on the drivers side immediate adjacent to tank value compartment.
This junction box shows 80 volts on the neutral and is a matter of feet away from the control panel which the Tech said is on breaker labeled TV receptacles which shows normal voltage .
The Tech stated that in order to gain access there he would need to disassemble the tank control panel.
Since this was at road side park he indicated that the coach should go into the shop.
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08-06-2019, 11:48 AM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: 2016 Thor Outlaw 29H
State: Tennessee
Posts: 668
THOR #13869
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Please come back in here and let us all know what was found to correct the situation once it gets fixed.
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.....
Rusty
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08-18-2019, 05:56 PM
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#11
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Junior Member
Brand: Thor Motor Coach
Model: 45AT
State: Texas
Posts: 9
THOR #5165
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I had a 2015 Tuscany 45AT and basically the same issue happened to me. In my case it was a short found in an electric junction box located on the ceiling in the bay compartment (located on the driver side next to the central vac).
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08-18-2019, 06:29 PM
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#12
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Senior Member
Brand: Thor Motor Coach
State: Missouri
Posts: 2,327
THOR #6903
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Quote:
Originally Posted by sthibaul
I had a 2015 Tuscany 45AT and basically the same issue happened to me. In my case it was a short found in an electric junction box located on the ceiling in the bay compartment (located on the driver side next to the central vac).
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I have the two outlets there with one being for the central vac. The load management system will shut down one of the outlets if you approach 50 amps.
So far no actual wiring issues
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08-20-2019, 12:51 AM
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#13
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Member
Brand: Thor Motor Coach
State: New York
Posts: 75
THOR #12610
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Buy a cheap plug in tester that will let you know if neutral missing or wiring reversed. Go down the line and it will tell you starting point. I used to troubleshoot problems with big hi-tech instruments but the best tools I had were -chirp tester(pen), $9.37 volt meter from harbor freight, and my wifes hair drier(don't tell her!) I could follow wiring with chirp tester and find burnt wiring and open connections. I used hair dryer to load up circuit then check for low voltage. Some times need load.
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