jasult
Central NJ
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Joined: 05/25/2009
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might be just bad ground at that light
Jim & Georgeanne + Lucie the beagle
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1996 F250 Powerstroke, Baby Swamp injectors,BTS Trans TW Chip,210,000 miles,
1995 Fleetwood Wildness 30 ft 5ver
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Chris Bryant
DeLand, Florida, USA
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Joined: 03/26/2003
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The traditional "old school" method of switching a dome light was by switching ground. Much simpler with multiple door switches.
Of course, some new models run the dome light via electronics.
-- Chris Bryant
My RV Service Blog
The RV.net Blog
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jborchard
Northern Jersey
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Joined: 08/29/2010
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I may have found an answer and wanted to check with you guys to hear your thoughts. It is a bad ground, and I was told to just jump a ground from another light and that will solve the problem. I did it and it worked, should I be worried about chasing down a bad ground? Your thoughts?
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smkettner
Southern California
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Joined: 03/21/2005
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s/b fine for the trip. I would still dig in at some point to find the ground bus and check for a lose or burn wire. Mine is behind the breaker-fuse panel.
2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
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jborchard
Northern Jersey
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Ok so I'm making some headway. With my tester I have power to the black and when I connect the light, I get nothing. I tried borrowing a neutral from another light and it works.
Is there a way to chase down where my neutral is faulty? Or should I leave well enough alone? Thanks for all your help so far.
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smkettner
Southern California
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Most likely the trouble will be at a connection. Either at another fixture that uses the wire in common or at the main bus connection.
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jborchard
Northern Jersey
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Thanks for all your help, I was able to find the bad ground and fix the problem! Now thanks to your help I'll have peace and quite while driving to SC as my kids will be able to watch their movies.
Now onto my next project.Hooking up wireless speakers for the TV.
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tboss
FLORIDA
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Joined: 11/26/2008
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if this lite is supposed to come on whn the door is open then it cld be the door switch not makin grd..had it happen to me ..new a good clnin of the switch solved the prob...
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jborchard
Northern Jersey
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@Smkettner, would I find ground bus in the coach or in the engine compartment? Any a better question, would be what does it look like? Thanks so much for your input.
If I don't get this fixed, I think my wife is going to divorce me. 
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smkettner
Southern California
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I have a trailer so yours might be way different.
My ground bus is behind the house breaker / fuse panel. About 6 screws and the panel pulls out on mine.
Bus bar is just a block strip of metal with a dozen screws to tie all ground wires to a main frame ground connection.
Here is a bad pic behind my panel. Very bottom left is a clip of one end of the ground bus.
Wires attach on the hidden side so you don't see them. That is why it is a poor picture.
* This post was
edited 03/26/12 01:56pm by smkettner *
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