Colo_NativeExplorerJul 26, 20157 pin plug questionI have my new FW and was wondering when parked over night say in a Walmart lot with no power source do you leave the FW plugged into the truck and does it draw off the truck battery?
13 RepliesReplies sorted by NewestShow MoreOld-BiscuitExplorer IIIJul 26, 2015Flip open 7 pin receptacle cover on truck and test for 12V at 1 O'clock blade.Truck key off.........no 12V------no drain on batteryEven if there is 12V power with truck key off........overnight stop should NOT drain truck battery unless trailer battery is really low/badBoondocking-----YES unplugtvman44ExplorerJul 26, 2015Agreed Ford factory wired do not because of relay.enblethenNomadJul 26, 2015Most factory wired Ford connectors are powered through a relay that disconnects when the engine is hut off. No need to unplug!
Old-BiscuitExplorer IIIJul 26, 2015Flip open 7 pin receptacle cover on truck and test for 12V at 1 O'clock blade.Truck key off.........no 12V------no drain on batteryEven if there is 12V power with truck key off........overnight stop should NOT drain truck battery unless trailer battery is really low/badBoondocking-----YES unplug
enblethenNomadJul 26, 2015Most factory wired Ford connectors are powered through a relay that disconnects when the engine is hut off. No need to unplug!
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