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sdkid · 10-16-2004, 11:55 PM

Probly has a line going to the master cyl. Has maybe 2 wires going into it. Push on the brakes and the fluid pressure causes a switch in the control unit to close. Sends power to the trailer wiring plug.

10-16-2004, 11:55 PM	#5
sdkid Registered User Join Date: Sep 2004 Location: Pierre SD Posts: 1,533	Probly has a line going to the master cyl. Has maybe 2 wires going into it. Push on the brakes and the fluid pressure causes a switch in the control unit to close. Sends power to the trailer wiring plug.