Unless you can buy a low pressure grill most grills won't work. The supply from trailer is regulated and most grills have a regulator, so now you have 2 regulators in line. As far as the hose goes if you buy a low pressure grill, they're available at Amazon, camping world, manufacturer etc.
One end will have the quick disconnect for trailer side other end plugs into grill (that's the tricky part)
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