Standard 7 Pin Trailer Plug Wiring
7 pin heavy duty trailer wiring diagram.
Standard 7 pin trailer plug wiring. Does the ground need to be re done when installing a new trailer connector. Small 7 pin round qld identifying. Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. The trailer wiring diagrams listed below should help identify any wiring issues you may have with your trailer.
Manufactured in accordance with the saej560 standard and in accordance with the australian standard as4735 2003 as required for vehicles and trailers over 3 5 tonnes. 7 way connectors allow for all functions provided by 6 way connectors three basic lighting functions electric brakes and additional power supply with the seventh wire for backup lights. Various styles of connectors are available with four to seven pins to allow transfer of power for the lighting as well as auxiliary functions such as electric trailer brake control backup lights etc. No power to 12 volt pin on 7 way of a gm truck.
Wiring extension for flat towing a vehicle behind monaco rv with 7 way trailer connector. There is a standard method of wiring a 7 pin trailer connector. Wiring diagram trailer sabs 7core cdr author. 3 2 2005 12 01 08 pm.
Choose a connector that has the required number of pins for the functions required for your trailer. 7 pin heavy duty round plug and socket. On older trailers there s sometimes a 5 wire setup using a 7 pin connector. If you don t follow this your trailer or tow vehicle can t be used with any other implement.
Wiring recommendation for the pollak metal 7 pole pk12703. Getting power to 12 volt accessory pin on 7 way trailer connector. Plug size is similar to an australian 10c coin. The 7 pin connector uses on newer trailers all 7 pins according to the iso standard.
Basically it is another 12v circuit typically used for a reverse light reverse lockout for trailer brakes. All diagrams are as viewed from the cable side see example above. 7 2 6 5 4 3. These connectors are rated at 40a continuous duty.
7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turn brake light brown lt left turn brake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly.