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Usually the later Ford trailer connector door has the hookup schematic/ positions like the one pictured. The Trailer Tow Batt Charge is marked with a ‘+’ shown here on the lower/left of the door. The female 7 way on the trucks
depending on the door orientation and locating block position,, for this batt charge the terminal is at the 7:00 position.. If your getting 12v on the leg tested, or are unsure, to verify pull fuse 21 out, the voltage there should then be missing
Last edited by Hayapower; Sep 24, 2019 at 11:18 PM.