By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights.
Truck trailer electrical connector.
The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector.
Custom fit vehicle trailer wiring harness are available for all makes of vehicles including ford dodge chevy honda and toyota.
Trailer connectors between the trailer and passenger car light truck or heavy trucks with 12v systems in europe both 7 pin iso 1724 and 13 pin iso 11446 are common.
The 13 pin version being phased in is newer provides more services than the 7 pin a more positive locking and also better protection against moisture and contamination.
Kohree 4 way flat to 7 way round blade trailer adapter plug end 4 pin to 7 pin electrical connector with mounting bracket for rv truck car 4 5 out of 5 stars 75 15 99.
Trailer adapters trailer connectors and wiring are available from hoppy tow ready pollak draw tite and reese.