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Author Topic: 2004 Itasca Suncruiser inverter fuse problem  (Read 587 times)

willh2o

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2004 Itasca Suncruiser inverter fuse problem
« on: August 02, 2017, 01:14:40 AM »
We apparently overloaded our inverter that runs the TV and DVD player that is in the cabinet @ the front of our 2004 Itasca Suncruiser.
Now the 12 volt system doesn't have power. There is no power in the yellow 12 volt wire to or from the inverter.
The 110 volt power from the inverter works.

None of the fuses in the breaker / fuse panel box by the entrance door indicate a problem. And there aren't any breakers tripped in the breaker box.

We can't find an inline fuse in the TV cabinet nor in the battery compartment.

Suggestions and comments will be appreciated. (I apologize I am not electrically inclined--hope you can comprehend what I am trying to communicate--we could use some help.)

Sandra
Sandra
"Harvey" '04 Itasca Suncruiser 35U
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ennored

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #1 on: August 02, 2017, 06:43:26 AM »
I need to actually look at the diagrams, but I think there is a fuse under the dash, check there?
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Alfa38User

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #2 on: August 02, 2017, 06:52:20 AM »
Quote
There is no power in the yellow 12 volt wire to or from the inverter.
The 110 volt power from the inverter works.

Impossible!!! The inverter requires 12V to be able to output 120V!!! More than 1 coloured wire?

 Looks like a wiring diagram will be needed as was suggested by ennored. You can download these diagrams from the Winnebago site here: http://www.winnebagoind.com/resources/manuals/
« Last Edit: August 02, 2017, 06:55:23 AM by Alfa38User »
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JoelP

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #3 on: August 02, 2017, 07:08:13 AM »
If you go to the resource center you can navigate to this page which has the wiring diagrams for your 2004 35U Suncruiser

http://www.winnebagoind.com/diagram/Wiring.htm

There is one diagram here of the load center which shows breakers at the load center. 
Joel from San Jose

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John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #4 on: August 02, 2017, 07:46:15 AM »
Sandra, Winnie uses the yellow wire for the positive side of 12V and white for the negative side. Did you put the meter leads (or test light) across white and yellow?
--John
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John Hilley

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #5 on: August 02, 2017, 10:58:00 AM »
Impossible!!! The inverter requires 12V to be able to output 120V!!! More than 1 coloured wire?

 Looks like a wiring diagram will be needed as was suggested by ennored. You can download these diagrams from the Winnebago site here: http://www.winnebagoind.com/resources/manuals/

The internal transfer switch should default to 120 vac shore power and switch to inverted power when turned on
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willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #6 on: August 02, 2017, 05:07:02 PM »
As always, THANK YOU.

Papa has a couple of comments:
He put the meter between the white and yellow wires that split out of the heavy red and white wires on the backside of the inverter labeled DC input. The white wires go to the left at the back of the box and goes to the collection of white wires.

The yellow goes right at the back of the box.  Part of the yellow wire looks like it goes down by the corner of the passenger windshield.

The circuit breaker / fuse box by the entrance door has yellow wires going into the fuses. One is labeled TV / monitor.
« Last Edit: August 03, 2017, 02:17:48 PM by willh2o »
Sandra
"Harvey" '04 Itasca Suncruiser 35U
"Pup" '01 Chevy Tracker

Gary RV_Wizard

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #7 on: August 04, 2017, 10:22:36 AM »
Quote
Now the 12 volt system doesn't have power. There is no power in the yellow 12 volt wire to or from the inverter.
The 110 volt power from the inverter works.

If there is no shore power, that is impossible, since 12v is needed to produce the 110v output. If on shore power and the inverter has a transfer switch, then you are seeing shore power. However, I didn't think the inverter for the '04 Suncruiser entertainment center has an internal transfer switch. Maybe one of the two Johns knows for sure, or somebody could read the schematics to see if there is a 110v input or not..

I'm confused about what doesn't work. If you have 110v power from the inverter, then the Tv and DVD are working, right?  So what part of "the 12v system" isn't functioning?
Gary
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John Hilley

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #8 on: August 04, 2017, 03:33:47 PM »
If there is no shore power, that is impossible, since 12v is needed to produce the 110v output. If on shore power and the inverter has a transfer switch, then you are seeing shore power. However, I didn't think the inverter for the '04 Suncruiser entertainment center has an internal transfer switch. Maybe one of the two Johns knows for sure, or somebody could read the schematics to see if there is a 110v input or not..

I'm confused about what doesn't work. If you have 110v power from the inverter, then the Tv and DVD are working, right?  So what part of "the 12v system" isn't functioning?

That Dimensions inverter does have an internal transfer switch.
2003 Winnebago Adventurer 38G
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willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #9 on: August 04, 2017, 10:13:29 PM »
That Dimensions inverter does have an internal transfer switch.
So what do you suggest we try? Where can we look? What do we do?

Thanks again for the responses!

Sandra
Sandra
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"Pup" '01 Chevy Tracker

Ernie n Tara

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #10 on: August 05, 2017, 07:06:16 AM »
My inverter has a GFI, have you checked for one and reset? If you are measuring 115 Vac, the problem could be at the outlet (those switch off if the key is on so you can't watch while driving).

Ernie
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JoelP

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #11 on: August 05, 2017, 07:29:36 AM »
My inverter has a GFI, have you checked for one and reset? If you are measuring 115 Vac, the problem could be at the outlet (those switch off if the key is on so you can't watch while driving).

Ernie
In my Suncruiser the front TV plugs into a device that interrupts the 120V for the front TV when the engine is running.  It seems that the OP has a problem with the 12V going to his inverter and therefore all of his outlets that run from the inverter.  In my RV the inverter powers only 4 outlets.  These are the outlets for 3 of the TVs and one outlet next to the copilot seat up front. I am assuming the OP when he said he lost power for his front TV he was also checking for power for more than just the front TV. 
Joel from San Jose

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John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #12 on: August 05, 2017, 07:54:43 AM »
So what do you suggest we try? Where can we look? What do we do?
What you need to do is look at your wiring diagram and start tracing the 12V source from the inverter back to the source.
--John
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Gary RV_Wizard

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #13 on: August 05, 2017, 07:59:50 AM »
So, is the problem that the tv/dvd works when connected to shore power but not when there is no shore or genset power? Just want to make sure we are working on the right problem...

There is surely a major fuse between that little inverter and its 12v power source. Even a small inverter can draw 30 amps or more and I can't imagine Winnebago not using a circuit of that size. Get the wiring diagrams (available on the Winnebago website).
Gary
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Gary RV_Wizard

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #14 on: August 05, 2017, 08:02:19 AM »
Quote
That Dimensions inverter does have an internal transfer switch.

Thanks, John. I knew some of the older Winnies did not use an ATS and simply powered the entertainment center via its dedicated inverter at all times, but did not know when they changed that.
Gary
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willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #15 on: August 05, 2017, 04:12:34 PM »
 ;D Awesome news!!

We now have our original Dimensions 300 w inverter working again!! Thanks for all the suggestions!

We now have the coach front wiring schematics from Winnebago if we ever need them again (hope not). I have them on my phone so I can enlarge them to actually read the small print. We never did figure out what the PUR 2 line was. Figured out PUR is shore line possibly, but not PUR 2.

And more importantly, we found the unmarked 30 amp fuse under the lift-up dash on the left side that was blown. Changed that out and we are in business.

We have a surge protector plugged into the inverter and have the TV, Apple TV, Roku, and DVD / VCR player plugged into that. We won't be using all of those at the same time, but it's nice to have them plugged in at the same place and able to run them for the shore line power or the inverter if we have it switched on. I also am typing this on my Lenovo laptop charging up on the inverter. :D That's where this all started from.

We sure know more now than we did. Always a learning curve. Too bad we paid a couple of guys a couple of hours to not discover anything--oh well. Thankfully it works now, and we are in a cooler climate. Decided why should we keep boiling our brains out at home. Much easier to work on in the nice cool pines right on the Mogollon Rim :D

Til our next challenge, thanks,

Sandra
« Last Edit: August 05, 2017, 04:14:40 PM by willh2o »
Sandra
"Harvey" '04 Itasca Suncruiser 35U
"Pup" '01 Chevy Tracker

John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #16 on: August 05, 2017, 05:17:40 PM »
Thanks for checking in with the resolution Sandra! There is a huge learning curve when you start out with a complex thing like a large coach.
--John
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willh2o

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Re: 2004 Itasca Suncruiser Dimensions inverter problem
« Reply #17 on: September 17, 2017, 10:29:47 PM »
Everything has been working from the inverter since my last post UNTIL now.

There is green light on the inverter is on showing power running from the genset, and a green light when the genset is off and the inverter is supposed to be powering. Trouble is that the surge proectectors plugged into the back of the Dimensions 300w inverter aren't getting any power either through the genset or through the inverter.

Hopefully it's a simple solution. I have tried everything I can think of. The reset button on the front of the inverter doesn't make a difference. I have tried a variety of surge protectors. I even changed the 30 amp fuse under the dash just to make sure that wasn't an issue. All the fuses and breakers seem okay... Currently the only way I can get any power is to have the generator running and use wall plugs not connected to the inverter.

What am I missing?

Thanks for your patience,

Sandra
Sandra
"Harvey" '04 Itasca Suncruiser 35U
"Pup" '01 Chevy Tracker

John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #18 on: September 18, 2017, 08:15:18 AM »
Bummer. What does the Dimensions owner's manual say about the green lights? Does that mean the inverter is inverting? Does it mean it sees incoming 120V? 12V?

Quite frankly the Dimensions is a low-end product built to a price point for Winnebago, if you are going to keep the coach for a few years, replace it with a better inverter.
--John
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Gary RV_Wizard

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #19 on: September 18, 2017, 08:18:03 AM »
If all that is true, then it appears the inverter has died.  Have you plugged some known good light or appliance directly into the inverter, rather than via surge protector?

Just to be sure we are on the same page, is this the inverter you have?
http://www.magnum-dimensions.com/sites/default/files/130990%20%282%29%20300W%20final%202-24-08.pdf
Gary
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John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #20 on: September 18, 2017, 08:20:38 AM »
If all that is true, then it appears the inverter has died. ..
Exactly what I was thinking.
--John
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willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #21 on: September 18, 2017, 09:01:05 AM »
Yes Gary, that looks exactly like the inverter that isn't working. Yes, I have plugged lights directly into the back, and nothing works.

What inverter do you suggest? Is is a do-it-yourself replace, or should I hire someone?

I am still enjoying life on the Mogollon Rim--no real close stores. Although I routinely have Amazon ship to a store 5 miles from where I am staying.

Sandra
Sandra
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Gary RV_Wizard

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #22 on: September 18, 2017, 09:06:25 AM »
If you are comfortable with disconnecting and reconnecting wires, it's a simply enough DIY job.
Gary
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John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #23 on: September 18, 2017, 09:25:59 AM »
Call Don Rowe Company and ask them for replacement recommendations. I've bought two 2,000 watt inverter/chargers from them going back to when our coach was new (my first major upgrade was replacing the Dimensions inverter/charger with a pure sine wave Xantrax version in 2005.) They have very competitive prices with good customer service.
--John
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ennored

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #24 on: September 18, 2017, 11:01:13 AM »
One thing worth noting relative to a simple replacement is that the wiring to the inverter is barely adequate. I forget the wire size used, but given the distance, and routing to where it is (above the passenger side of the dash), it'd be difficult to upgrade the wiring to put a larger inverter in the same location. Not that a larger one is needed, just that that is often the first things folks think about when replacing them.

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willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #25 on: September 18, 2017, 11:53:58 AM »
Thanks for suggesting www.DonRowe.com, 800 367 3019. Kyle is very helpful. They do not have a Dimesions win12 300T in stock. So it would be a matter of ordering and waiting 2 - 3 weeks until they get it in stock. He says I need a Pure Sine Wave, and that the current inverter has a transfer switch.

The one option with 1000 watt and a transfer switch is to go w/ the Kisae SWXFR1210 but the size is larger 17 x 9 x 4.5 than what I currently have 13 x 6 x 3.25. I MIGHT be able to put the larger size in the cupboard but it would have to be sideways and displace other components that are there. I actually just remeasured and I think I could put the 17" on the bottom shelf with the plugs towards the front of the cabinet and put the other components like the DVD player on the top shelf as an option. It would definitely change the appearance, but is probably doable.

Amazon carries Kisae same size with transfer switch either 1000, 2000 or 3000 watt.

I have a call into Sensata, manufacturer of Dimensions, 651 653 7000, and am waiting for them to call me back.

My concerns are what would be the pros and cons of going with the Kisae other than totally reconfiguring the AV cupboard? How challenging will it be to change out the converter w/ transfer switch?... Which wattage should I order if the cost isn't all that different? I don't use all the stuff in the AV cabinet, but need to be able to sell the coach with what the next owners might prefer to have. Changing to a Kisae will definitely alter the appearance of the cabinet.
« Last Edit: September 18, 2017, 12:08:09 PM by willh2o »
Sandra
"Harvey" '04 Itasca Suncruiser 35U
"Pup" '01 Chevy Tracker

willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #26 on: September 18, 2017, 11:58:16 AM »
Oh, Don Rowe has a Xantrex but it is modified Sine Wave. I haven't talked specifically with them about that. The size of the box is 13 x 8.3 x 4.1--still a challenge with the space I have.
Sandra
"Harvey" '04 Itasca Suncruiser 35U
"Pup" '01 Chevy Tracker

willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #27 on: September 18, 2017, 12:04:46 PM »
Kyle, with Don Rowe, also said I should NOT use surge protector strips with the inverter. I was just in process of ordering new surge protector strips with longer cords, guess that's not a good idea!

I am definitely not electrically inclined and Papa is not here for a few days.

Sandra
Sandra
"Harvey" '04 Itasca Suncruiser 35U
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John Canfield

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #28 on: September 18, 2017, 01:13:23 PM »
A modified sine wave inverter (MSW) would be okay, pure sine wave is always the best though. Some electronics don't run well on MSW inverters.  Stick with a 300 watt inverter unless you want to upgrade the 12v wiring to the inverter.
--John
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willh2o

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Re: 2004 Itasca Suncruiser inverter fuse problem
« Reply #29 on: September 19, 2017, 01:48:58 PM »
Well I talked to Dimensions Sensata and they don't make a 300w anymore, 600w is their smallest. They suggest I send them the inverter and they'll fix it and ship it back for just under $300 and take 2 - 3 weeks. Not crazy about that option.

FYI, the Dimensions is a quasi sine wave.

I am still trying to figure out what to do. I have calls and emails out to a variety of sources. I am thinking we will probably have to hire someone to put in a larger capacity and run new cables.

Nothing is ever easy! 

We had bought a little 400w Smart ac inverter from Fry's Electronics--but it seems to kind of fade in and out. Not to sure I want my computer and TV hooked up to that!! It's quite noisy besides.

Any more opinions about surge protector strips w/ an inverter w/ a transfer switch? Personally I like surge protector strips so I can turn them off when I don't need power going to those plugs.

Well that about covers my electrical quandries :-) For now anyhow.
Sandra
"Harvey" '04 Itasca Suncruiser 35U
"Pup" '01 Chevy Tracker

 

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