Safety First: Remember, when connecting the positive cables to the batteries, you should always start by connecting the dead battery first. If you feed energy into the cables before they are connected to your battery, you can cause a safety hazard.

Which battery terminal should be connected first?

“Positive first, then negative. When disconnecting the cables from the old battery, disconnect the negative first, then the positive. Connect the new battery in the reverse order, positive then negative.”

What color jump lead goes on first?

Jump starting with a portable battery pack Connect the positive (red) lead from the battery pack to the positive (+) terminal of the battery. Connect the negative (black) lead to a good earth point on the casualty vehicle – a solid metal part of the engine is usually best.

Are sparks bad when jumping a car?

Bet you didnt think a dead battery could create that, huh? Typically, when a person jumpstarts a car, sparks can occur. Thats why it is recommended that you connect the negative jumper cable to the vehicle body and not the negative post of the battery.

Why is my battery sparking when I try to jump it?

The battery cables can spark if the cables are installed in the improper order. When attaching the battery cables, place the positive cable on first and then the ground cable. Also, the ground, or negative cable, should not be touching anything metal while the positive cable is hooked up.