What is the correct order to connect jump leads?
Attach the red jumper cables first. Start by clamping one red cable to the positive side of the battery that won’t start. Then attach the other red clamp to the positive side of the working battery. Next, clamp one black cable to the negative side of the working battery.
What order do you disconnect jump leads?
How to remove the jump leads
- Switch off the engines on both vehicles.
- Take the black jump lead off the earthing point.
- Remove the other end of the black jump lead from the working battery’s negative (-) terminal.
- Disconnect the red jump lead from the working battery’s positive (+) terminal.
What order do you connect car battery terminals?
“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.”
How do I connect jump leads to a car battery?
One end of the red jump lead should be connected to the flat battery’s positive terminal. The lead must not touch any vehicle metal. Attach the red lead’s other end to the boosting battery’s positive terminal. Take the black lead and connect one end to the boosting battery’s negative terminal.
How do you connect and disconnect jumper cables?
How to Jump Start a Vehicle (with Jumper Cables)
- Connect the red jumper cable to the positive terminal (+) on the dead car’s battery.
- Connect the other end (also red) to the positive terminal on the working battery.
- Connect the black jumper cable to the negative terminal (-) on the working car’s battery.
What happens if you connect jumper cables in the wrong order?
Fuses (and/or fusible links) act as circuit protection devices between the battery and the vehicle’s electrical system. Connecting the jumper cables backwards will often result in one or more blown fuses. The affected circuit will not function correctly until the blown fuse is replaced.