How to Wire Hopkins Breakaway Switch # HM20059 with Hydrastar Electric Over Hydraulic Brake Actuator


I have an HBA-16,Hopkins HM20121, and Hopkins HM20059. How does the yellow wire from HBA-16 and the blue wire from the HM20121 connect with the wires from the HM 20059? Do I not use the blue wire from HM20121 since I dont have electric brakes. How do I wire the HM20059 ? It has three wires black,white, and blue.


Expert Reply:

The yellow wire from the Hydrastar # HBA16 will connect to the blue wire of the Breakaway Switch # HM20059. The blue wire from the Breakaway Box # HM20121 connects to the black wire from the switch. The white wire from the switch is strictly a ground for the LED light and should connect directly to the trailer's frame.

expert reply by:
Charles S

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