Which Brake Switch Wire should be used for a Brake Controller on a 2002 Ford Windstar

Updated 04/01/2010 | Published 03/31/2010

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Question:

I read warning note included in pakage and it confused me. On ilectric diagram shows dk green to the brake switch from fuse, and from switch red lt geen and later lt green to electric brake connector. On my van I have onle two wires red and light green. I am ready to connect the red wire from controler to light green on brake switch. Is it right?

asked by: Zbigniew

Expert Reply:

The only way to be completely sure of which wire you need to connect to is to use a circuit tester, like part # PTW2993. Check to see if the light green wire or the red wire goes hot when you press the brake pedal. You want to use whichever of these two wires goes hot, only when the brake pedal is pressed. I believe on your van, it may be the light green, but use a circuit tester to be sure before completing the wiring.

expert reply by: Patrick B