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Old 07-26-2015, 04:49 PM   #1
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2001 National Islander wiring

I need some help with my inverter and wiring on my 2001 national islander. Last year I replaced my deep cycle batteries, I replaced with two 12 volt deep cycle and now my inverter does not work. I could be a coincidence. So what I did is wire the wires from my generator direct from the inverter to the house wires in order to get power to all plugs and lights by passing the inverter. Also, the shore power does not work. I assume because the wires at the inverter are not connected. I also removed all the batteries over the winter, and can't for the live of me remember the proper way to reconnect wires. Coach starts, but not sure if deep cycle are connected right. Can someone help me out. First, if you have pics of how to rewire the inverter wires, two, a pic of how all the batteries should be reconnected right. Also, should there be 4 deep cycle batteries within the system in order for inverter to work?

Thank you very much.
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Old 07-26-2015, 09:15 PM   #2
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Dirt, I can take some pics of my battery compartment tomorrow, I don't know too much about the actual wiring as I don't have diagrams with my manuals.. If there are any other pics you need you can either pm me or post back here and I'll see what I can do
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Old 07-27-2015, 05:17 AM   #3
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wiring

Quote:
Originally Posted by dirt-rider View Post
I need some help with my inverter and wiring on my 2001 national islander. Last year I replaced my deep cycle batteries, I replaced with two 12 volt deep cycle and now my inverter does not work. I could be a coincidence. So what I did is wire the wires from my generator direct from the inverter to the house wires in order to get power to all plugs and lights by passing the inverter. Also, the shore power does not work. I assume because the wires at the inverter are not connected. I also removed all the batteries over the winter, and can't for the live of me remember the proper way to reconnect wires. Coach starts, but not sure if deep cycle are connected right. Can someone help me out. First, if you have pics of how to rewire the inverter wires, two, a pic of how all the batteries should be reconnected right. Also, should there be 4 deep cycle batteries within the system in order for inverter to work?

Thank you very much.
I don't know why you would rewire your gen direct, but anyway. On my coach, exactly like yours, wiring from the 50 amp electrical reel in the 2nd bay ahead of my rear wheels goes first to my TRC surge guard power protector. When you plug into shore power, there is a one or two minute delay until a relay snaps and sends power to your inverter. It senses to see if the power is correct and also it will turn power off if your at a campground and there is a power surge, worked for me twice at two rv campgrounds.
Then the wiring goes from there to a black plastic box where the gen wiring comes in, this is a switch over box, it senses and switches shore power or gen power to your inverter. From that black box is a 120v wire going to your inverter, that wire back in your top part of your battery compartment is wired into your inverter, also your coach battery wire coming from the batteries below comes up to a large fuse then to your inverter.
I let my buddy send you pics as he promised, I'm not to good in posting pics, got to get ready for a dentist appt, ugh.
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Old 07-27-2015, 11:04 PM   #4
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Hey dirt I took the pics and found some wiring.info, pm me your email and I'll send it too you
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Old 07-27-2015, 11:09 PM   #5
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Quote:
Originally Posted by RUNDLC View Post
Dirt, I can take some pics of my battery compartment tomorrow, I don't know too much about the actual wiring as I don't have diagrams with my manuals.. If there are any other pics you need you can either pm me or post back here and I'll see what I can do
Thank you
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Old 07-27-2015, 11:13 PM   #6
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Originally Posted by Retiredblade View Post
I don't know why you would rewire your gen direct, but anyway. On my coach, exactly like yours, wiring from the 50 amp electrical reel in the 2nd bay ahead of my rear wheels goes first to my TRC surge guard power protector. When you plug into shore power, there is a one or two minute delay until a relay snaps and sends power to your inverter. It senses to see if the power is correct and also it will turn power off if your at a campground and there is a power surge, worked for me twice at two rv campgrounds.
Then the wiring goes from there to a black plastic box where the gen wiring comes in, this is a switch over box, it senses and switches shore power or gen power to your inverter. From that black box is a 120v wire going to your inverter, that wire back in your top part of your battery compartment is wired into your inverter, also your coach battery wire coming from the batteries below comes up to a large fuse then to your inverter.
I let my buddy send you pics as he promised, I'm not to good in posting pics, got to get ready for a dentist appt, ugh.
Thank you for your reply. I wired the inverter wires direct because my inverter stopped working. By doing this my gen was able to power outlets in couch with power. Do I need more than two 12 volt deep cycle batt in order for inverter to operate?
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Old 07-27-2015, 11:14 PM   #7
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[QUOTE=RUNDLC;2669567]Hey dirt I took the pics and found some wiring.info, pm me your email and I'll send it too you[/QUOTE

That's great. Thanks
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Old 07-28-2015, 05:26 AM   #8
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batteries

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Originally Posted by dirt-rider View Post
Thank you for your reply. I wired the inverter wires direct because my inverter stopped working. By doing this my gen was able to power outlets in couch with power. Do I need more than two 12 volt deep cycle batt in order for inverter to operate?
Well, the coach came with two, that would give you more capacity than one. Last year I replaced the two coach batteries, they cost about about $300. or so, not cheap.
Also had to have my inverter rebuilt by a factory authorized dealer. Motor homes are a money pit, and oh by the way, so is my cat!
Also, I have a small inverter wired up into the system, ready to go should the need arise.
I'm thinking about next year getting a Xantrex 2000w full sine wave inverter/charger next year, $1,500., see what I mean about a money pit!
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