12v Trailer Wiring Diagram June 10, 2019 24v truck with 12v trailer . I am sure it has been addressed on this sight before but here is a helpful schematic I found for wiring your 24v truck to run 12v trailer lights. You www.benzworld.org 2017 Ford F550 Pto Wiring DiagramHow To Put In A 240v OutletBasic Electrical Knowledge For DummiesSwitch Outlet Combo Wiring DiagramHow To Wire A 30a 250v PlugXav 63 Wiring DiagramFlat Trailer Plug Wiring2 3 Way Switches With One Light