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Old 01-20-2017, 03:13 AM   #1
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All of the 12 volt Lights flashing

All interior lights are blinking at a high rate, as I turn lights on volts go down on the digital read out. If I turn on all lights it will stop flashing. Volt gauge starts at 13.45 and increases to 14.35 as I put lights on. The blinking stops when when all interior light are on. Any ideas where to look would be helpful
Thanks


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Old 01-20-2017, 03:43 AM   #2
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My thoughts.

What else is using 12v power?

Are you on shore power? If so check your inverter/converter using a volt meter. Is the a/c power suitable (about 120 volts 60 Hertz)

Unplug from shore power, turn off generator and check battery voltage.

Is this a new problem? When did it start happening?
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Old 01-20-2017, 04:42 AM   #3
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First thing that came to mind is the AC to DC converter/charger is going out. Disconnect from shore power or trip the power feed to it and see what happens.
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Old 01-20-2017, 05:14 AM   #4
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This started Wednesday night, it's just very strange at the moment. Shore power seams stable.


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Old 01-20-2017, 05:39 AM   #5
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Any voltage above 13 is coming from the converter or (inverter/charger). As suggested you need to start troubleshooting by disconnecting from shore/genset power and verifying your battery voltage. Unless you're very, very lucky this is only going to get worse. I wouldn't trust the installed meters until I verified and knew exactly where the leads are hooked up. Use a hand held meter.

Good luck
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Old 01-20-2017, 06:14 AM   #6
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Normally you'll see a reduction in output volts/amps as converters start to fail (lights dimming, furnace blower running slower and such) but it's certainly possible for the opposite where an increasing demand causes a stabilizing effect. A converter has two basic circuits or functions. Power conversion from AC to DC and power regulation to maintain a specific stable level as loading changes.

Concerning OEM installed meters, treat them in the same category as dash gauges or trouble lights for the power train. Good indicators of a possible problem but further investigation is warranted to verify the information.
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Old 01-20-2017, 07:49 PM   #7
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Thank you for all your help and advice, I found that there was a relay that was going bad it was a normally closed relay that was not staying closed. Found a new one at our local dealer. Credit to Alliance RV for having the relay in stock.



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