Do I connect negative or positive 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 should you not do when you jumpstart a car?
8 Things You Should Never Ever Do When You Jump Start Your Car
- Don’t smoke.
- Not wearing gloves and eye protection.
- Not reading the owner’s manual.
- Don’t jump start the car if the battery is cracked or leaking.
- Not putting the car in Park.
- Don’t let the cables dangle from the car.
- Don’t use poor and low quality cables.
Where does the red jumper cable go on a car?
The other end of the red cable connects to the positive terminal of the good battery. One end of the black (negative) jumper cable connects to the negative battery terminal of the good battery. The other end of the black jumper cable connects to a good ground on the vehicle that won’t start.
What happens if you hook up a jumper cable wrong?
You might cause personal injury and/or damage to your car if you accidentally hook your jumper cables up wrong. Fuses (and/or fusible links) act as circuit protection devices between the battery and the vehicle’s electrical system.
Why does my Highlander not start when I start it?
If the engine’s ability to fire the spark plug at the right time is called “timing”. If the plugs are firing at the wrong time, or something has happened to cause the camshaft to no longer be in sync with the crankshaft, your Highlander won’t start.
Where are the clamps on a jumper cable?
Typically, jumper cables (also known as jump leads), come in a set of two wires with a copper clamp at each end. The clamps are assigned to either the negative pole or the positive pole on the battery. This is indicated by a “-” and “+”, respectively.