Thread: What is this?
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Old 06-09-2019, 05:52 PM   #5
gjennings
Seasoned Camper
 
Join Date: Oct 2018
Location: West Jordan
Posts: 85
M.O.C. #22840
Mootana is correct it’s the MC4 plug for the solar prep. You have wires running from there to the belly of your trailer.
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Glade and Laura
2019 3791RD Montana
2018 GMC 3500 6.6 diesel short bed
Not full timers yet but soon
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