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Old 06-28-2016, 05:12 AM   #1
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7 pin connector gives you a jolt

I have a friend with a new tracer TT. He claims that when he touches the 7 pin connector when going to plug it int the truck, he gets a little zap of 12v. The rig is not connected to shore power. He also claims he can get a small chock while touching other parts of the rig such as opening the main door. Again, it is not plugged to shore power so it has to be 12v. Any thoughts?

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Old 06-28-2016, 05:20 AM   #2
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While 12 volts can lightly make you feel a tingle if conditions are right, I would not think it is a 12 volt problem. Does the trailer have an inverter, changing 12 DC volts to 120 AC volts? If so I would think there is a problem somewhere in the inverter to outlet wiring circuit.

It would be interesting to see what voltage is present on the trailer skin.

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Old 06-28-2016, 10:02 PM   #3
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its my thought that the unit has an inverter that is changing 12 vdc to 120 vac and that the unit has a bad ground... and your feeling a feed back from that 120 vac system... I've personally never felt a shock from either a 12 vdc or 24 vdc system... but have been shocked from my 35 volt wire feed welder....

is there an inverter in the unit and is it turned on...
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Old 06-28-2016, 10:13 PM   #4
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Sounds like a ground problem causing the RV to be "hot". Do a search on "hot skin" as I think there was a thread on it someplace.
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Old 06-28-2016, 10:22 PM   #5
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