Where Does Red wire of Roadmaster Brake Lite Relay Run

Question:

on the roadmaster brake-lite relay 88400 the red wire that is hooked to the green wire where does the red wire go too. all the paper work says is brake signal out put.

asked by: Richard S

Expert Reply:

The red wire of the Roadmaster Brake Lite Relay kit part # RM-88400 runs to a circuit on the vehicle that only sees voltage when the key is in the on position. I attached a diagram for more info as well.

expert reply by: Jameson C