You connect the cables BEFORE you plug in or turn on the charger. Positive (red) to battery positive first, then negative (black) to battery ground. Then you turn on your charger and set the timer.
Connect jumper cables from the positive battery post, on your BMW, to the positive battery post on the charged every. Connect the ground together. Allow the battery to charge for a minimum of 10 minutes.
positive pole
yes but remember to connect the positive (red) to the positive on the battery, and the negative (black) to a good ground ,away from the battery. this will prevent a spark near the battery and a possible explosion.
BEcause the electricity actually runs from The Negative side of the battery to the Positive. Electrical charge is a "Negative" charge. But the layman thought that sounded wrong and eventually even the english gave in and went to Negative ground systems.
Connect a battery charger to battery positive to positive negative to negative
I think protons
There is a negative and positive charge between the clouds or the sky and the ground. The positive charge is attracted to the negative. So positive begins to charge up before basically attacking the negative which is the ground.
Electrical sytem positive ground
You basically just reverse the charger's leads, attaching the positive lead to the `ground side' (chassis) and the negative lead to the negative connection on the battery. I'm assuming of course that you're referring to a British made automobile.
Connect a battery charger to the battery and let it fully charge. Do not charge it with the cars alternator. If it will not accept a charge the battery needs replacing. Connect positive (+) red cable to positive post and black negative (-) cable to negative post. Trickle charge the battery do not fast charge it as the charge won't take. Sure it will start the car a few times but a good charge to a battery is one that is done slowly
red is positive on a negative ground system