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Wiring Wonderland [message #104130] Mon, 25 October 2010 11:47 Go to previous message
Luvn737s is currently offline  Luvn737s   United States
Messages: 1106
Registered: June 2007
Karma:
Senior Member
I have had an ongoing problem with my coach 12V house system. It seems like EVERYTHING (almost) is on one 20A circuit. By everything, I mean:

A/C blower in High
Hallway light
Bedroom lights
Dinette lights
Cockpit fans (mounted by the the rear view mirror)
Forward Fantastic Fan roof vent
Bathroom FF roof vent
Entry lights
Outside Porch light
Water pump

Probably a few more I'm leaving out. Needless to say that little 20A fuse blows fairly often.

Shouldn't the 12V house system be split up among some of the heavier load items with separate fuses? Also, how can I make sure that when the genset starts, it only draws from the battery and not through the whole 12V system (the generator should have diodes to prevent this, right?)?


Randy
1973 26' Painted Desert
Ahwatukee (Phoenix) AZ

[Updated on: Mon, 25 October 2010 11:49]

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