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Old 06-10-2014, 08:47 PM   #1
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Have no lights when plugged into shore power....

Hate to ask this question since the last time I asked an electrical question I wished I hadn't but here goes. Why is it when my coach is plugged into shore power and the battery switch is turned off I don't have inside lights? The electrical plugs work fine but most of the lights won't come on. The couple that do are very dim. Wonder if converter has gone bad ? Or is it suppose to work this way ? We discovered this by trying to save our old batteries from draining by turning off the switch. Thanks for your help and be nice !

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Old 06-10-2014, 09:02 PM   #2
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Your converter's output is not getting to the camper (wiring) or is not working properly.

You should measure the voltage at the converter output terminals and see if you are making at least 13 volts. If not you have some troubleshooting to do.

Do you know what model you have? This photo is from the WFCO manual.
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Old 06-10-2014, 09:03 PM   #3
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Quote:
Originally Posted by blevinseve View Post
Hate to ask this question since the last time I asked an electrical question I wished I hadn't but here goes. Why is it when my coach is plugged into shore power and the battery switch is turned off I don't have inside lights? The electrical plugs work fine but most of the lights won't come on. The couple that do are very dim. Wonder if converter has gone bad ? Or is it suppose to work this way ? We discovered this by trying to save our old batteries from draining by turning off the switch. Thanks for your help and be nice !

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It's best to leave your battery on. Is there any good reason to have it off when hooked to shore power?
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Old 06-10-2014, 09:09 PM   #4
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Have always left the switch on but it go to where the batteries would not stay charged...turning the switch off is when the light issue was discovered. Evidently the converter is not keeping the batteries charged either. Thanks for the help.

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Old 06-10-2014, 09:13 PM   #5
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Herk7769 We are about 1500 miles from home. No way to check. Hope we can make due until we get home the end of the month.

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Old 06-10-2014, 09:17 PM   #6
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Herk7769 We are about 1500 miles from home. No way to check. Hope we can make due until we get home the end of the month.

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Any home store (Lowes-Home Depot) will have a CHEAP (less than 10 bucks) digital voltmeter. You can check everything you will need with one.

Harbor Freight gives them away as door warmers.
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Old 06-10-2014, 09:46 PM   #7
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So this is your 2nd electrical question and you still don't have a multimeter? Good luck.
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Old 06-12-2014, 04:55 PM   #8
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In many cases its simply a breaker issue.

I find at RV shows, dealers will hit the disconnect expecting the lights to go out, but they are plugged in so they don't. So then they go inside and flip the breakers (lights go out). The next day when they come, they hit the disconnect switch and voila...they have lights, so they move on. However they are now only running on battery power. I see the lights go dim. Check the plug, then check the breaker. Might not be the problem...but its the first place I would look.
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Old 06-12-2014, 05:00 PM   #9
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Herk7769 We are about 1500 miles from home. No way to check. Hope we can make due until we get home the end of the month.

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I'd recommend buying a volt ohm meter and leaving it in your camper.
You'll need it in times like these.
I'd also charge batteries and have them checked.

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Old 06-13-2014, 08:29 PM   #10
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Called our dealer. Told us it was the converter. We are going to make due until we get back home in a couple of weeks. Batteries recharge while driving and I bought a couple of small table lamps. Wanted to make sure it was nothing too serious until we get home. As always thanks for your help.

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