How do you bleed brakes on 1987 Lincoln mark VII Do you have to have the switch on?

To bleed the brakes on a 1987 Lincoln Mark VII, start by ensuring the brake fluid reservoir is filled. You typically need to have the ignition switch on to activate the anti-lock brake system (ABS) if equipped, as this allows the pump to operate and helps clear air from the system. Begin bleeding at the wheel farthest from the master cylinder, usually the right rear, followed by the left rear, right front, and finally the left front. Have an assistant press the brake pedal while you open and close the bleeder valve until clear fluid without bubbles flows out.