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Old 05-08-2021, 03:07 AM   #1
Join Date: Feb 2020
Location: TOAD 21' Jeep Cherokee
Posts: 39
Solar Prep location

I have a 2021 Dutch Star. I ordered it with solar prep and have installed a solar charge controller and replaced the battery bank with lithium. my solar system and batteries are working as I wired all my solar array into the controller from thee ground. I have not installed the solar panels on the roof as of yet. On the roof thee is a 4" square box cover that says Solar prep. When I removed the cover I found that it is only a cover screwed to the roof. I called Newmar support and they said I need to drill hole in the roof. I drilled a 2" hole thinking I'd need at least that to get 2 #6 wires out. There are no wires under that location. Newmar says they are there but may have been pushed out of way. I tried to use my flexible camera and grab tool but with the insulation and the conglomerate of other wires that I don't dare grab I am at a loss. I'd rather not start cutting more holes. Any ideas?
Mark Hamblin
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Old 05-08-2021, 06:01 AM   #2
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Join Date: Jan 2016
Location: Acworth Ga
Posts: 151
Assuming you found the coil of 6 gauge wires in the basement when you installed your solar charge controller. Use a tone generator to locate the wires.
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2016 Dutch Star 4369
2015 Jeep Wrangler JK
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Old 05-08-2021, 07:41 AM   #3
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Newmar Owners Club
Spartan Chassis
Join Date: Oct 2014
Location: Lake McClure, CA
Posts: 1,277
Mine were under the insulation and the only wires there.
2018 Dutch Star 4369 Spartan Chassis
2016 Jeep Cherokee, 1952 Willys CJ3A
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Old 05-08-2021, 07:50 AM   #4
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Newmar Owners Club
Spartan Chassis
Join Date: Jul 2020
Posts: 6
Good luck! There is at least one other thread on this issue. I spent over a day fishing for the wires on my 2020 4081. I used a tone generator to try and locate them but could not pull them out. I ultimately cut a hole big enough to reach in with my hand (hole was smaller than cover plate). The wires were about a foot from the plate and were under other electrical wires. It was difficult to even pull them out with my hand. I would never have been able to fish them out. I drilled a smaller hole nearby to route to my combiner box. I used the cover plate to cover the original hole and used a lot of decor. Ultimately worked out fine but I regret waiting so long to cut the bigger hole as I wasted a lot of time. I did gain an appreciation of how well Nemar insulates the roof as there is a lot of it.
2020 Dutch Star 4081, Spartan
1200 Watts of Solar
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cat, solar

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