Which side is the driver and which the passenger side?įace the trailer looking back along it. The reason I tell you like this is so that it doesn't matter if you are looking at the truck or trailer as long as the index notch is at the top of the plug or receptacle. The driver side (YOU!) is: "RUNNING, TO, GROUND!!!" Top pin? 12 volt power from alternator charge circuit. Its no secret that one of the biggest challenges for owners of large trucks such as the. 7-pole rv-style trailer socket pk12703 2019 FORD F250 F350 F450 F550 SUPER DUTY WIRING DIAGRAMS wiring ford diagram f800 1998 schematic 1991 f350 diagrams. THE PASSENGER SIDE from top to bottom - SHE HAS THE "POWER, TO, BREAK" you So unless you either need to upgrade or replace your plug, you will not need this. The driver side (YOU) is: 'RUNNING, TO, GROUND' Running lights. It will also replace a damaged 7-way OEM wiring harness. The simplest way to remember the pinout is to remember a bad relationship (honestly. The Ford Replacement OEM Tow Package Wiring Harness, item 118243, upgrades your vehicle 4-flat OEM wiring to a 7-way connector to fit the plug on your trailer. If any of the three don't read zero ohms between them - somebody took a shortcut at the factory. You can test the white wires with an ohm meter, white on the flat four to the thick white wire should have continuity with one of the spade pins in the seven way. Make sure the innerds are all the way stuffed in and seated before putting any screws back in it. SKU: HC3Z15A416A Super Duty 2017-2023 7 Pin Trailer Wiring Harness 130.00 or redeem up to 26,000 Points Include Installation (+ 96. The seven way shell can be taken down by removing two to four screws, be careful when reassembling the shell. The driver side (YOU) is: 'RUNNING, TO, GROUND' Running lights. (And THAT was on an adapter pigtail just like the one in the picture above that came from no less than U-HAUL) Aside from the three main lighting functions, additional pins for electric brakes, a 12 volt 'hot' lead, and backup lights are available. ![]() ![]() I found that the white (ground) wire from the four way flat was cut short inside the seven way shell, and only the fat white external ground wire was connected. I just went through a hassle with a seven way adapter while doing a side job for a buddy of mine here in western TN.
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