Frex handbrake question...

136
Canada
Kingston
I am looking at purchasing a frex handbrake for my rig. I currently run CSP and wish to have them plug into the Handbrake pin on my CSP.

What wish to know, from someone who knows, what wires/connectors are included with the frex handbrake. I assume it is just 3 wires hanging out the lead (positive, negative and ground?), or does it come with some sort of plug connector. I want to make sure what I am getting before I order.
 
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