The Hayes Air Actuated Brake Control, # HA100400C, will work on your 2002 International 4400 truck as long as you have an air line connection and trailer connector to plug your trailer up to your truck.
You will need to wire the three wires coming out of the Warner controller as followed: BLACK is to 12-volt power, the RED will wire to the your brake light switch on your brake pedal, and the BLUE wire will wire into the 7-way connector to run the brake signal to the trailer when it is... view full answer...
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