Most likely cause is either a defective unit or most likely the unit is miss-wired. Have someone who is well trained take it out and re-install it.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
200 Watts solar panels from Renogy
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