Simple Standard 7 Pin Trailer Plug Wiring
This is an extension of the 7 pin flat.
Standard 7 pin trailer plug wiring. The first diagram is a simple set up of two brake lights two indicators and two side lights. There will be primary lines which are represented by l1 l2 l3 and so on. Click on the image below to enlarge it.
Colors can also be utilised to differentiate cables. Sometimes the cables will cross. Click on the image to enlarge and then save it to.
There is a noticeably larger gap between 1 and 6 on this plug though some trailer places rotate this connector that the yellow is at the top. The minimum suggested wire size for a 7 way trailer plug is 16 gauge for the turn signals brake lights reverse lights and running light wires. However i have 3 trailers 2 work fine 1 don t.
As stated earlier the lines in a 7 pin trailer wiring diagram with brakes signifies wires. Small 7 pin round qld identifying. Here are two wiring diagrams for the 7 pin n type trailer electrical plug.
On older trailers there s sometimes a 5 wire setup using a 7 pin connector. I have no power to any light pins on 7 wire plug w tester. Socket and plug are keyed.
All 3 trailers work on 2011 pk up. 7 way plug wiring diagram standard wiring post purpose wire color. Injunction of two wires is usually indicated by black dot on the junction of 2 lines.