Question:
Should red light on hayes controller come on when braking , even though trailer is disconnected?
asked by: Darrel
Expert Reply:
Yes, the red light on the Hayes Syncronizer Trailer Brake Controller # HA81725 will come on whenever you apply your tow vehicle's brakes, even when no trailer is connected. However, no power is used when there isn't a trailer detected.
Hayes Syncronizer Trailer Brake Controller - 1 to 2 Axles - Time Delayed