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Old 07-26-2018, 08:46 AM   #1
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Join Date: Jun 2017
Location: Corona de Tucson
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Furrion Solar Connector

Hey All;

I finally found a male solar connector for the installed female connector on my Sprinter 5th wheel. My question is, which is the positive, top or bottom? The inside frame is finished off and I can't see the position as they come through the wall to the battery leads. Any standards known or direction would be appreciated!!


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Old 07-26-2018, 08:53 AM   #2
Join Date: Jul 2015
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use a multi-meter to test the voltage on the female connector on the trailer.

If the reading is negative, switch the leads.
Positive reading = Positive lead is on the positive cable, negative lead goes to neg/ground.


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Old 07-26-2018, 08:57 AM   #3
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Duh, I should have thought of that.......Thanks for the help........I'll get 'er done!
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Old 07-28-2018, 10:56 AM   #4
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Furrion solar plug wiring

Had the same issue, but our RV is at a storage yard. Found a YouTube which explained which pin is which. However after wiring it up, the video said not to connect the solar panel unless you put a charge controller in line to prevent overcharging the battery.

Next job....
Ed & Mary

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Old 07-28-2018, 12:31 PM   #5
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My solar receptical is mounted such that the inside portion of the plug is within the pass thru compartment. I just looked at the inside of the plug...red wire= positive!


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