Which Battery Terminal Do You Connect First. Dont attach the negative black clamp to the negative terminal of the dead battery. Attach one red jumper cable clamp to the positive terminal on the dead battery.
Installing a battery first connect the positive terminal if you accidentally short the tool to the surrounding parts or body nothing will happen because the negative earthground is not yet connected if you then connect the negative terminal and short the tool to ground nothing will happen as the ground bodyframe etc is in any case connected to the negative terminal. If you connect the negative terminal first the cars entire frame becomes grounded together with. The positive terminal should be connected first when installing a new car battery to a car.
Installing a battery first connect the positive terminal if you accidentally short the tool to the surrounding parts or body nothing will happen because the negative earthground is not yet connected if you then connect the negative terminal and short the tool to ground nothing will happen as the ground bodyframe etc is in any case connected to the negative terminal.
When jumping a car which cable goes on first. So connecting the lead first is safer. Connect the new battery in the reverse order positive then negative. Always remove the negative cable first then the positive cable.
