Owners manual

Read all wiring instructions prior to making electrical connections to the tow
vehicle.
WARNING:
Follow wiring instructions.
• Improper wiring will destroy the controller and void the manufacturer’s warranty.
!
WARNING:
To reduce the risk of injury or damage to property:
• Always connect the white wire first and the black wire second.
• All four controller wires must be connected properly for the controller to operate
correctly.
• Failure to connect the wires correctly can cause loss of trailer braking.
!
WARNING:
• The white wire must be connected to a known good ground (preferably the negative
battery post).
• Improper or no ground will result in poor controller performance or lack of
performance altogether.
• Improper ground connection can destroy the controller and void the manufacturer’s
warranty.
!
WARNING:
• Improper connections may result in no trailer brakes or destroy the controller and
void the manufacturer’s warranty.
• Refer to the vehicle manufacturer or Hayes Lemmerz at 1-800-892-2676 for the
latest controller red stoplight wire to stop lamp switch connections.
!
CAUTION:
• DO NOT connect the black wire to any vehicle power supply line or fuse panel that
could cause circuit overload or damage to tow vehicle wiring and vehicle
electronics.
• Route the black wire through a grommet hole in the fire wall to prevent wire
grounding and away from the radio antenna to reduce any possible AM radio
interference.
!