Electrical Panel Problem

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SBD444

New member
Joined
Jul 24, 2021
Posts
1
Location
Tennessee
I have an older 36’ fifth wheel that I am living in. From time to time some of my inside lights and/or my a/c will not turn on. I check the breakers and they are not tripped. However, when I slam the door to the breaker box, the lights and a/c will come on. This happens quite frequently. Any ideas what may be causing this problem?
 

LRed

Member
Joined
Mar 11, 2017
Posts
9
Location
Southern MN
Sounds to me you have some loose connections on the 12 Volt DC side the part where the fuses are. You'll want to disconnect Shore Power before opening the panel up. Then tighten every screw you can see.
 

Henry J Fate

Well-known member
Joined
Jun 14, 2018
Posts
1,499
Probably the 12 volt control circuit that is being compromised in the panel but....

High priority is to open things up and repair it. There are many circumstances with the posted symptoms that can produce a hazardous condition.
 

John From Detroit

Well-known member
Joined
Apr 12, 2005
Posts
25,112
Location
Davison Michigan
A loose connection for sure but if you have a battery that is charged it's on the 12 volt side of life. not the "Neutral" but either the main 12 volt "HOT" or "Ground" wire.

UNLESS.There are some older converters like the Magnetek 6300 series that have a relay in them... That too is suspect. and if you have one of those. UPGRADE.
 
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