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Old 07-08-2018, 06:38 PM   #1
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Converter location on 39MB ??

Trying to locate the converter on my 2016 39MB. Can anyone help me ? Haven't diagnosed whether batteries or converter bad yet. Went out to exercise my gen. this morning & noticed dead batteries. Always plugged into shore power. One thing I can say for sure ......... terrible design of the battery compartment by Redwood..... not going to be fun getting those covers off & possibly having to replace batteries !!
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Our 3 fur children "Ting-Tang"&"Saylor"(Shih Tsu's) &"Kai" (Finnish Spitz)
2007 Silverado Classic 3500 LT C.C. Longbed Dually,
Duramax, Allison Tranny, 62 Gal. Titan Tank
2016 39MB 5.5 Onan, Residential Package, Goodyear G114's, Mor/ryde heavy duty Shackle/bushing upgrade.
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Old 07-08-2018, 07:38 PM   #2
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UPDATE: Figured out that my unit has a combo Converter(charger) / Inverter. Anyone advise how to test this? Trying to figure if battery's or converter/inverter bad.
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Our 3 fur children "Ting-Tang"&"Saylor"(Shih Tsu's) &"Kai" (Finnish Spitz)
2007 Silverado Classic 3500 LT C.C. Longbed Dually,
Duramax, Allison Tranny, 62 Gal. Titan Tank
2016 39MB 5.5 Onan, Residential Package, Goodyear G114's, Mor/ryde heavy duty Shackle/bushing upgrade.
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Old 07-08-2018, 08:15 PM   #3
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If your's is like ours, you have both an Inverter/Charger used to power the Residential Fridge and is mounted on the Front Bulkhead of the Basement, closer to the Street Side Door (right on the opposite side from the Batteries.
Then you have the main Converter that is part of the Power Distribution Panel, where all the Breakers and 12V fuses are located.
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2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" GY114s w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top
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Old 07-08-2018, 08:58 PM   #4
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Thanks much Michelle & Ann. Yep same unit as yours. Took delivery after you guys. Can’t believe these batteries would be shot already. Gonna be a real pain to replace ! I recall someone once mentioning an aftermarket sliding battery tray setup. Do you recall?
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Mike & Gayle
Our 3 fur children "Ting-Tang"&"Saylor"(Shih Tsu's) &"Kai" (Finnish Spitz)
2007 Silverado Classic 3500 LT C.C. Longbed Dually,
Duramax, Allison Tranny, 62 Gal. Titan Tank
2016 39MB 5.5 Onan, Residential Package, Goodyear G114's, Mor/ryde heavy duty Shackle/bushing upgrade.
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Old 07-08-2018, 09:02 PM   #5
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One other thing. Do you know if the inverter/Charger or the converter by breaker panel keeps the battery charged when hooked up to shore power?
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Mike & Gayle
Our 3 fur children "Ting-Tang"&"Saylor"(Shih Tsu's) &"Kai" (Finnish Spitz)
2007 Silverado Classic 3500 LT C.C. Longbed Dually,
Duramax, Allison Tranny, 62 Gal. Titan Tank
2016 39MB 5.5 Onan, Residential Package, Goodyear G114's, Mor/ryde heavy duty Shackle/bushing upgrade.
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Old 07-09-2018, 12:51 AM   #6
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If the Inverter is still "ON" both it and the Converter will charge the Batteries, provided the Battery Disconnect is in the proper position.
What does the display show on the Inverter Remote just inside the Door show?? If the Inverter is in the ON position it will display the status of the Batteries.
We're still using the OEM batteries, but I did add two additional batteries right after we took delivery. All I've done is top them off with Distilled Water twice a year. Our unit is always plugged in or in travel, but the inverter is never turned off, that way if there is a power outage it will keep the fridge and it's contents cold.
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Michelle & Ann
2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" GY114s w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top
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Old 07-09-2018, 01:25 AM   #7
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Display shows "float" 13.2 amps & "battery status" indicator indicates full charge (up by slide out controls, etc.) but slide outs don't have enough "juice" unless plugged into "shore power". Gen. starter dosent work at all on batteries only and only 1/10 sec spurts when plugged in. Strange. My stepson will eventually will be stoppng by to help diagnose but I'm just trying to narrow it down a bit. Think my next step will be to hook jumper cables up tomorrow to see if the gen. at least cranks over.......
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Mike & Gayle
Our 3 fur children "Ting-Tang"&"Saylor"(Shih Tsu's) &"Kai" (Finnish Spitz)
2007 Silverado Classic 3500 LT C.C. Longbed Dually,
Duramax, Allison Tranny, 62 Gal. Titan Tank
2016 39MB 5.5 Onan, Residential Package, Goodyear G114's, Mor/ryde heavy duty Shackle/bushing upgrade.
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Old 07-09-2018, 01:31 AM   #8
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Have you had the battery box covers off so you can check the water in the batteries and the tightness of all the battery connections? Just like an Auto, you can have a loose connection that would run the radio but not crank the engine.
Also check the wires going into/out of the battery disconnect switch, had an issue on our '12 36RL where one of the nuts was ready to fall off the terminal, giving some real strange symtoms.
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2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" GY114s w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top
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Old 07-09-2018, 02:25 AM   #9
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Good info. thanks, appreciate it.
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Mike & Gayle
Our 3 fur children "Ting-Tang"&"Saylor"(Shih Tsu's) &"Kai" (Finnish Spitz)
2007 Silverado Classic 3500 LT C.C. Longbed Dually,
Duramax, Allison Tranny, 62 Gal. Titan Tank
2016 39MB 5.5 Onan, Residential Package, Goodyear G114's, Mor/ryde heavy duty Shackle/bushing upgrade.
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Old 07-09-2018, 01:40 PM   #10
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After the unit has been plugged in for a while the Inverter Remote should show a Status of Full Charge and Battery 13.7. Plus if you're reading only 13.2 on Float that's low, should be 14.5 approx.
If you don't find anything loose, I'd pull the batteries and take them somewhere to be load tested, you may have a cell or two that's bad.
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2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" GY114s w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top
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