What happens if I hook jumper cables up backwards?

What happens if I hook jumper cables up backwards?

Hooking the jumper cables up backwards can create disastrous results⁠. Possible outcomes include irreparable damage to the battery, fried electronics, and even serious personal injury. You might cause personal injury and/or damage to your car if you accidentally hook your jumper cables up wrong.

What happens if you connect the jumper cable backwards?

Car owners may accidentally connect the jumper cables in reverse order or install the battery backward, which causes the vehicle to no longer start. The purpose of this troubleshooting guide is to help answer the following questions: Hooked battery up backward now car won’t start.

Can a car from 2003 have jumper cables wrong?

I assumed a car from 2003 would have fuses to prevent totaling your car by connecting jumper cables wrong but the mechanic said otherwise. Is there any reason I shouldn’t call it a loss and junk the car?

What does a mechanic say about jumper cables?

Hooked jumper cables up wrong. Mechanic says car is unfixable [closed] Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post . Closed 4 years ago. I have a 2003 Volkswagon Passat.

Why are jumper cables bad for your health?

Jumper cables are not designed to carry the huge surge of electrical current, and will quickly heat up to very high temperatures. This can melt the insulation on the cables and potentially expose people to direct contact with the electrical cables.

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.

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.