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Old 03-24-2019, 11:29 AM   #1
Junior Member
Join Date: Jul 2017
Posts: 1
Sun Voyager Model 8378 MXG no DC

Considering purchase of 2004 Sun Voyager that has been lived in hooked up to shore power for several years. Everything works as it should except everything associated with 12 DC doesn't work, dash radio, overhead exhaust fans, flourescent lights, generator starter, etc. Shouldn't the convertor carry these items. Not sure of battery condition so put on charger but no change.

Is the 12DC system dependent on fully charged batteries? Is there some master switch for the 12 DC service? Any help or ideas would be appreciated. Thx

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Old 03-30-2019, 10:36 PM   #2
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Join Date: Apr 2016
Posts: 363
Not sure about the Voyager, but on my coach there are some big switches that you can turn off the DC into the coach. One is right on the entry door to the coach on my Scenic Cruiser, then on the passenger side on mine towards the rear compartment are two big toggle switches that can turn off the DC power when you are going to put the coach in storage or if you are going to use AC power only.

Hope that helps, but I am not sure about the Voyager.

OH! I also forgot to tell you that if you are not hooked up to AC power and the switches are turned on position, then you must have dead house batteries. DC power is coming out of the house batteries. I have four for the house and two for cranking up the Caterpillar engine.

2002 Gulf Stream Scenic Cruiser 38'
Neway Freightliner chassis, 2018 Buick Envision Ess.
3126-E Caterpillar 330 hp
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Old 03-31-2019, 10:44 PM   #3
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Ford Super Duty Owner
Join Date: Aug 2015
Location: Memphis, TN
Posts: 691
There is OFTEN a 12v Battery Switch, often adjacent to battery, sometimes key operated on wall at step? Sometimes inside battery box? Otherwise check breakers/ fuses at CONVERTER breaker/ fuse panel?
99-GS Conquest Limited 6266 Class-C
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