Trailer Connectors Products 4 POLE FLAT CONNECTORS (#11-TC44054) #11-TC44054 $9.03 $9.29 TRAILER WIRE HARNESS EXTENSION (#50-13991) #50-13991 $13.50 TRAILER/TRUNK EXTENSION HARNESS (#177-E5401) #177-E5401 $21.62 2' EXTENSION HARNESS (#274-707255) #274-707255 $27.49 TRAILER CONNECTOR - 4 PIN (#50-13901) #50-13901 $7.97 TRAILER CONNECTOR - 4 PIN (#50-13891) #50-13891 $6.60 TRAILER WIRE HARNESS EXTENSION (#50-13931) #50-13931 $16.69 TRAILER CONNECTOR - 4 PIN (#50-13871) #50-13871 $10.52 MOLDED LINE CONNECTOR (#50-13841) #50-13841 $6.27