What are the wire colors on trailer wiring
connectors?
Trailer Feed (Blue Wire): This is the wire that supplies brake
power for the controller to the 6-way or 7-way trailer connector at
the back of the vehicle. Some vehicles with factory tow packages
already have this wire run from under the dash to the rear of the
vehicle. If it does not have this, the wire will need to be run
along the underside of the vehicle and through the firewall to the
Brake Control mounting location. The blue wire is attached to the
brake control on your vehicle side and the brake away switch on the
trailer side.
Ground (White Wire): This wire is connected
from the brake controller to the ground location.
Brake Switch (Red Wire): This can be found near
the top of the brake pedal. The wire that has power when the brake
pedal is pressed can be found using a circuit tester. This wire is
attached to the fuse block or Fused battery lead on the vehicle
side and attached the the break away kit, interior lights, and
battery charger on the trailer side.
Battery Power (Black Wire): This is the
connection that supplies...