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Old 09-29-2019, 05:16 PM   #1
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Electrical problem HELP NEEDED

I hope someone here can help me with my electrical gremlin.
I have a 2006 WW 1900fk. When I try to turn on side flood lights or rear porch lights it kills the 12v power completely. There are no blown fuses or other signs of a short. Then 2-3 minutes go by and the power is restored all by itself. Very strange.
I discovered this problem after installing two new 6v batteries in series (Switched out 2 12v in parallel). I then upgraded my old interior lights and entrance door porch light to LED.
The last time I tried these lights (Easter 2019) all was good.

Iím stumped 🤔
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Old 09-29-2019, 07:02 PM   #2
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Welcome to iRV2.

Sorry your first post is about problems .

JMHO: Loss of 12 volt power and then back without any change but removing load from the system , would indicate a bad connection on the power side , that overheats/opens then cools and reconnects.
Start at the batteries and remove and clean/re-connect . Follow the positive cable from the batteries and look for a 12 volt self reset circuit breaker , that may just be doing it's job , or tripping at a way lower load than it's spec'd for.
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Old 09-30-2019, 10:33 PM   #3
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What Skip said

Before I took my 12V system out, I had the same problem. There was a inline circuit breaker that I didn't know about, that was going off, but not actually tripping at the least little bit of load. I finally found it after some digging in the back cabinet. I removed it, direct wired it to the new circuit breaker box and worked perfectly. If you can find a electrical diagram for your trailer that will at least point you in the right direction. Best of luck and let me know what you find.
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Old 09-30-2019, 11:22 PM   #4
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Thanks for the info. After further investigation when I turned on the switch for the floods it killed the power. Turn it off, power returned immediately. I redid all the connections at the battery tested tested again, same problem. Rechecked all connections fiddled around didn’t find anything else tested again and....IT WORKED !
Not sure what I did but all good now ��
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Old 10-01-2019, 09:39 PM   #5
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Skip gave you good advice!

Good luck, happy trails, and God bless!
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