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Old 10-21-2019, 12:06 PM   #1
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Dc power not working on camper immediately

I recently reversed the wires on my camper battery on accident and blew the reverse polarity fuses in panel. I replaced fuses, and now my lights and switches and everything else on DC system takes about 10 minutes to come on once camper is plugged in, but all AC system items are working. Once the lights come on they stay on fine until camper is unplugged. I just changed the converter and its still doing the same thing. Can someone point me in the right direction?
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Old 10-21-2019, 12:27 PM   #2
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Quote:
Originally Posted by CDUPLANTIS84 View Post
I recently reversed the wires on my camper battery on accident and blew the reverse polarity fuses in panel. I replaced fuses, and now my lights and switches and everything else on DC system takes about 10 minutes to come on once camper is plugged in, but all AC system items are working. Once the lights come on they stay on fine until camper is unplugged. I just changed the converter and its still doing the same thing. Can someone point me in the right direction?
Load test you batteries. Why did you change your converter. Was it dead??
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Old 10-21-2019, 12:35 PM   #3
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What kind of RV do you have, inverter or converter on the 12 volt side?

Ken
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Old 10-21-2019, 01:09 PM   #4
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A few videos I watched suggested changing the convertor.
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Old 10-21-2019, 01:11 PM   #5
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There are no 'delay' relays/devices in 12VDC from battery to DC Dist Panel


Battery POS has an In-line fuse and then 'reverse polarity' fuses on converter

In-line fuse protects battery
Reverse Polarity fuses protect converter


In-line fuse is either good or not......but instead of a FUSE there could be a DC Circuit Breaker that is failing


Follow battery POS cable and locate 'protection'







Oh wait..........
You are saying NO DC until AFTER plugging in AC which then uses Converter to supply DC System.....which should be HOT w/o AC power cause battery supplies the DC when no AC is present
Check the battery POS Cable voltage at DC Dist Panel W/O AC power
Check the AC to converter when AC power is on


Converter should supply DC when on AC

Battery should supply DC when NOT on AC
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Old 10-22-2019, 11:21 AM   #6
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Old Biscuit gives great advice! I just noticed that you are kinda new here and wanted to say hello.

Good luck, happy trails, and God bless!
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