Forum Discussion

versicom's avatar
versicom
Explorer
Sep 21, 2014

Too much voltage from bedroom 12v cigarette lighter port??

My multimeter is telling me that the 12v outlet in my 5th wheel bedroom putting out way too much voltage for about 2 seconds and them drops to the normal 12v. It's cooking any 12v device I plug into i...
Toy Haulers
time2roll's avatar
time2roll
Nomad
Sep 22, 2014
20 volts does seem rather odd. It should be tied directly to the battery through the 12v distribution system. Seems like some other power source is bleeding into this 12v outlet. Is the 12v connector OEM or added after the fact? Where is it connected?

I would find the fuse that cuts power and check voltage there. Possibly a poor ground back feeding through some other system.

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