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Discussion in 'Trucks and Trailers' started by 2stroke, Nov 3, 2007.
how do you wire the trailer battery to be charging while the truck is running?
Are you adding a trailer battery to your trailer? More information please because if you bought the trailer and a battery came with it then it should be wired to charge when the plug is in the truck.
its a dump trailer with a battery. can someone explane the wireing from the truck to the battery on the trailer. is there a diagram somewhere?
Google the pinout for the 7 pin hookup. One of the wires should be for charging the battery.
This was all I found in 10 minutes. Might be helpful.
ok what brand of truck are you running. If it is a ford the wire on the truck side is orange. i will try and post the plug layout.
Here it is
its a 92 Cummins.