How Do You Disconnect Jumper Cables. Press and hold the home button with your index finger for at least 45. Jumper cables have insulated cables running from exposed ends that clamp onto the battery posts or other surfaces.
Disconnect the cables in the reverse order. But instead of connecting the other end of the cable to the negative post of the dead battery clamp it to a bare metal surface on the engine of the dead car like a bolt or a screw. Step 1.
Charging a dead battery is tough on the alternator.
I usually attach the cables and wait 5 minutes if I have the time. Disconnect the power cable from the computer and turn it off. Jumper cables have insulated cables running from exposed ends that clamp onto the battery posts or other surfaces. First remove the negative cable from the car you jumped then the negative cable from the car with the good battery.
