Dodge Repair: trailer wiring, tow brake, carraige


Question
I have a 2001 durango with tow package(factory)....I am gettin no polarity from brown wire which controls right turn signal....I am not sure if there is a fuse anywhere...I am trying to follow wires and cannot since they go into under carraige of truck...please give me an idea wher to look

Answer
there is no brown wire in the 7 way harness from the factory.

TRAILER TOW CONNECTOR - BLACK 7 WAY CAV CIRCUIT FUNCTION
1 Z1 14BK GROUND
2 B40 14LB TRAILER TOW BRAKE B(+)
3 L207 18BK/OR PARK LAMP RELAY OUTPUT
4 Y203 16RD/TN FUSED B(+)
5 L63 16DG/RD LEFT TURN SIGNAL
6 L62 16BK/PK RIGHT TURN SIGNAL
7 L1 20VT/BK BACK-UP LAMP FEED