What happens if I put the jumper cables on wrong?
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.
Why are the jumper cables on my car not working?
The battery cables themselves may be fried and require replacement in order to start the vehicle. The PCM or the main computer in your vehicle may also have been fried in the process but the battery cables are the most likely cause. Even more unlikely but still a possibility is that your starter is even damaged.
What happens if you hook a battery up the wrong way?
Depending on how long it was connected the wrong way the battery may survive and just need charging but the chances are it needs replacing. You would have also most certainly blown some fuses, look for some big ‘mega’ fuses connected directly to the positive cable. Not the answer you’re looking for?
What happens if the ECM is blown on a car?
They said they didn’t know exactly what was damaged but the ECM was probably blown. They also said the electricity was running backwards and even if the ECM was replaced, all electric systems would start failing in a domino effect. They also called a local dealership to verify this.
Is it bad to use a jumper cable on a car?
Your jumper cables are bad: All jumper cables are not created equal. Inexpensive jumper cables that are not thick enough to carry sufficient current won’t perform to the level you expect, and your car won’t start after a jump.
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.
Why does a car battery not start after jumping?
Inexpensive jumper cables that are not thick enough to carry sufficient current won’t perform to the level you expect, and your car won’t start after a jump. Cables that are too long have more internal resistance, and they may not transfer enough of the donor battery’s power to your car.
What do you use to jump start a car?
It usually involves a jumpstart, the practice of using another car’s battery, along with a set of clamp-on jumper cables, to get your car started. Maybe you call the auto club, or a friend who knows their way around cars, or you may have a set of jumper cables in your trunk.